Tides of Light Bantam Spectra Books by Gregory Benford ACIIOSS THE SEA OF SUNS GIlEAT SKY IllVEil HEAilT OF THE COMET (with David Brin) IN THE OCEAN OF NIGHT IF THE STAllS AIlE GODS OFTIDES LIGHT Gregory Benford BANTAM BOOKS TORONTO ° NEW YORK ° LONDON · SYDNEY · AUCKLAND This novel is for two dreamers who nonetheless get their numbers right: Charles N. Brown and Marvin Minsky TIDES OF LIGHT A Bantam Spectra Book / February 1989 All rights reserved. Copyright © 1989 by Abbenford Associates. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without permission in writing from the publisher. For information address: Bantam Books. Library of Congress Cataloging-in-Publication Data Benford, Gregory, 1941- Tides of light. I. Title. PS3552.E542T53 1989 813'.54 88-7545 ISBN 0-553-05322-1 Published simultaneonsly in the United States and Canada Bantam Books are published by Bantam Books, a division of Bantam Doubleday Dell Publishing Group, Inc. Its trademark, consisting of the words "Bantam Books" and the portrayal of a rooster, is Registered in U.S. Patent and Trademark Office and in other countries. Marca Registrada. Bantam Books, 666 Fifth Avenne, New York, New York 10103. PRINTED iN THE UNITED STATES OF AMERICA WAK 0 9 8 7 6 5 4 3 2 1 PART ONE -- ABRAHAM'S STAR ONE The Cap'n liked to walk the hull. It was the only place where he could feel truly alone. Inside Argo there was always the rustle of movement, the rub of humanity kept two years in the narrow though admittedly pleasant confines of a starship. And worse, when he was inside, someone could always interrupt him. The Family was getting better at leaving him alone in the early morning, he had to give them that. He had carefully built up a small legend about his foul temper just after he awoke, and it was beginning to pay off. Though children might still rush up to him and blurt out a question, lately there had always been an adult nearby to tug the offending youth away. Killeen disliked using implied falsehoods--he was no more irritable in the morning than at any other time but it was the only way he could think to get some privacy. So no one hailed him over ship's comm when he was out here. And of course, no ship's officer would dare pass through the lock and seek to join him. And now there was a much better reason not to come out here. Hull-walking just made you a better target beneath the ever-watching eyes above. Out here. Killeen had been thinking so firmly about his problems that he had, as was often the case, completely forgotten to admire the view. Or to locate their enemy escort. His first impression, as he raised his head to let in all the sweep of light around him, was of a seething, cloud-shrouded sky. He knew this was an illusion, that this was no planetary sky at all, and that the burnished hull of the Argo was no horizon. But the human mind persisted in the patterns learned as a 2 Gregory Benford child. The glowing washes of blue and pink, ivory and burnt orange, were not clouds in any normal sense. Their phosphorescence came from entire suns they had engulfed. They were not water vapor, but motley swarms of jostling atoms. They spilled forth light because they were being intolerably stimulated by the stars they blanketed. And no sky back on Snowglade had ever crackled with the trapped energy that flashed fitfully between these clouds. Killeen watched a sprinkle of bluehot light near a large, orange blob. Its wobbly curves fattened like ribbed, bruised sausages. It coiled, clotted seintillant ridges working with snakelike torpor, and then burst into luridly tortured fragments. Could this be the weather of the stars? Snowglade had suffered from a elimate that could turn suddenly vicious, and Killeen supposed the same could be true on the unimaginably larger scale between suns. Since he didn't understand the way planets made weather, or the complex fabric of tides and currents, air and water, it was no great leap for him to suppose some similar shadowed mystery might apply to the raging lives of stars. Anger forked through this sky. Behind them spun the crimson disk of the Eater, a great gnawing mouth. It ate suns whole and belched hot gas. In Argo's flight from Snowglade, which swam near the Eater, they had beaten out against streaming, infalling dust that fed the monster. Its great disk was like burnt sugar at the rim, reddening steadily toward the center. Closer in swirled crisp yellow, and nearer still a bluewhite ferocity lived, an enduring fireball. Looking outward, Killeen could see on the grandest scale the structure his Aspects told him should be there. The entire galaxy lurked like a silvery ghost beyond the swarthy dustlanes. It, like the Eater, was a disk--but incomparably greater. Killeen had seen ancient pictures of the regions beyond the Center, a lake of stars. But that lake did not ripple and churn. Here tides of light swept the sky, as though some god had chosen Center as her final incandescent artwork. Their target star spun ahead, a mote among wrack and storm, and all their hopes now bore upon it. And floating in this seethe, their enemy. He squinted, failed to find it. Argo was nearing the verge of a jetblack cloud. The distant mech vehicle probably lay somewhere within the obliterating darkness there. Abraham's Star was struggling free of the massive shroud. Soon Argo could peer through the shredding fringes of the cloud to find her planets. TIDES OF LIGHT 3 A notion tugged at Killeen but he shrugged it aside, caught up in the spectacle all around him. The heavens worked with ribbed and scaly light, like luminescent beasts drowning in inky seas. What were the chances, he wondered, that merely showing himself out here would tempt the mech vehicle to skewer him with a bolt? No one knew--which, in the paradoxical logic of leadership, was why he had to do it. Killeen had started this hull-walking ritual a year before, at the urging of one of his principal Aspects, a truly ancient encased personality named Ling. Revered and respected, the Aspect had been given to Killeen by the Family with high attendant ceremony in Argo's central hall. Ling was the last remaining true starship Cap'n in the Family chip inventory. The micromind had commanded a forerunner of Argo and had exciting though often unintelligible yarns to tell. Yes, and following my advice is bringing a reward. Thinking about Ling had brought the Aspeet's firm, Cap'nly voice sounding in Killeen's mind. He let a skeptical frown cross his face and Ling picked it up. You make this hull-walk serve the added purpose of displaying your personal calm and unconcern in the face of the enemy. Killeen said nothing; his sour doubt would faintly trickle down to Ling, like runoff from a rainstorm. He kept up his pace, making sure his boots got a firm magnetic clamp on the hull before he freed the following leg. Even if he kicked himself free of the hull, there was a good chance that his low trajectory would carry him into a strut or an antenna downhull from him. That would save the embarrassment which he had often suffered when he had started this ritual. Five times he had been forced to haul himself back to the ship using a thrown, magnet-tipped line. He was sure crew had seen it, too, and had gotten a good laugh. Now he made it a point not to have his line even within easy reach on his belt. He kept it in a leg pocket. Anyone watching him from the big agro pods downhull would see their Cap'n loping confidently over the broad curves of the Argo, with no visible safety line. A reputation for dashing confidence in his own abilities might come in handy in the difficult times to come. Killeen turned so that he was facing the pale yellow disk of 4 Gregory Benford Abraham's Star. They had known for months that this was the destination of their years-long voyage a star similar to Snowglade's. Shibo had told him that planets orbited here as well. Killeen had no idea as yet what kind of planets these might be, or whether they held any shelter for his Family. But Argo's automatic program had brought them here, following knowledge far older than their forefathers. Perhaps the ship knew well. In any case, the Family's long rest was nearing an end. A time of trials was coming. And Killeen had to be sure his people were ready. He found himself loping harder, barely skimming the hull. His thoughts impelled him forward, oblivious to his loud panting inside the cramped helmet. The rank musk of his own sweat curled up into his nostrils, but he kept going. The exercise was good, yes, but it also kept his mind away from the invisible threat above. More important, the hard pace cleared his mind for thinking before he began his official day. Discipline was his principal concern. With Ling's help he had drilled and taught, trying to fathom the ancient puzzles of the Argo and help his otTcers become skilled spacers. This was his ambiguous role: Cap'n of a crew that was also Family, a circumstance which had not arisen in the memory of anyone living. He had only the dry advice of his Aspects, or the lesser Faces, to guide him--ancient voices from eras marked by far greater discipline and power. Now humanity was a ragged remnant, scurrying for its life among the corners of a vast machine civilization that spanned the entire Galactic Center. They were rats in the walls. Running a starship was a vastly different task from maneuvering across the bare, blasted plains of distant Snowglade. The patterns the Families had set down for centuries were nominally based on crewing a ship, but these years under way had shown how large the gap was. In a tight engagement, when the crew had to react with instant fortitude and precision, Killeen had no idea how they would perform. Nor did he know what they would have to do. The dim worlds that circled Abraham's Star might promise infinite danger or easy paradise. They had been set on this course by a machine intelligence of unknown motives, the Mantis. Perhaps the dispersed, anthology intelligence of the Mantis had sent them to one of the few humanly habitable planets in the Galactic Center. Or perhaps TIDES OF LIGHT 5 they were bound for a site which fitted the higher purposes of the mech civilization itself. Killeen bit his lip in fretted concentration as he loped around the Argo's stern and rounded back toward midships. His breath came sharply and, as always, he longed to be able to wipe his brow. He had gambled the Family's destiny on the hope that ahead lay a world better than weary, vanquished Snowglade. Soon now the dice would fall and he would know. He puffed heavily as he angled around the bulbous lifezones--huge bubbles extruded from the sleek lines of the Argo, like the immense, bruised bodies of parasites. Inside, their opalescent walls ran with dewdrops, shimmering moist jewels hanging a bare finger's width away from hard vacuum. Green fronds pressed here and there against the stretched walls--a sight which at first had terrified Killeen, until he understood that somehow the rubbery yet glassy stuff could take the pokes and presses of living matter without splitting. Despite the riot of plant growth inside, there was no threat of a puncture. Argo had attained a balance between life's incessant demands and the equally powerful commandments of machines--a truce humanity had never managed on Snowglade. As he slogged around the long, curved walls of the lifezones, here and there a filmy face peered out at him. A crewwoman paused in her harvesting of fruit and waved. Killeen gave her a clipped, reserved salute. She hung upside down, since the life bubbles did not share Argo's spin. To her his reflecting suit would look like a mirror-man taking impossibly long, slowmotion strides, wearing leggings of hullmetal, with a shirt that was a mad swirl of wrinkled clouds and stars. His suit came from Argo's ancient stores and had astonishing ability to resist both the heat and cold of space. He had seen a midshipman carelessly back into a gas torch in one, and feel not a flicker of the blazing heat through its silvery skin. His Ling Aspect commented: A reflecting suit is also good camouflage against our mech companion. This sort of remark meant that the Aspect was feeling its cabin fever again. Killeen decided to go along with its attempt to strike up a conversation; that might help him tickle forth the slippery 6 Gregory Benford idea that kept floating nearly into consciousness. "The other day you said it wasn't interested in me anyway." I still believe so. It came upon us as though it would attack, yet over a week has passed as it patiently holds its distance in a parallel path. "Looks like it's armed." True, but it holds its fire. That is why I advised you to hull-walk as usual. The crew would have noticed any reluctance. Killeen grumbled, "Extra risk is dumb." Not in this case. I know the moods of crew, particularly in danger. Heed me! A commander must imbue his crew with hope in the mortal circumstances of war. So the eternal questions voice themselves again: "Where is our leader? Is he to be seen? What does he say to us? Does he share our dangers?" When you brave the hull your crew watches with respect. Killeen grimaced at Ling's stentorian tones. He reminded himself that Ling had led far larger ships than Argo. And crew were peering out the frosted walls of the lifezones to watch their Cap'n. Still, the magisterial manner of Ling rankled. He had lost several minor Faces when Ling's chip was added, because there wasn't enough room in the slots aligned along his upper spine. Ling was embedded in an old, outsized pentagonal chip, and had proved to be both a literal and figurative pain in the neck. He gazed once more at the streaming radiance that forked fitfully in the roiling sky. Therhe saw it. The distant speck held still against a far-passing luminescence. He watched the mote for a long moment and then shook his fist at it in frustration. Good. Crew like a Captain who expresses what they all feel. "It's what I feel, dammit!" Of course. That is why such gestures work so well. "You calc'late everything?" Nobbut you wished to learn Captaincy. This is the way to do so. TIDES OF LIGHT 7 Irritated, Killeen pushed Ling back into his mind's recesses. Other Aspects and Faces clamored for release, for a freshening moment in his mind's frontal lobes. Though they caught a thin sliver of what Killeen sensed, the starved interior presences hungered for more. He had no time for that now. The slippery idea still eluded him and, he realized, had provoked some of the irritation he had taken out on Ling. If crew were already harvesting, then Killeen knew he had been running a bit too long. He deliberately did not use the time display in his suit, since the thing was ageold and its symbols were a confusing scramble of too much data, unreadable to his untutored mind. Instead he checked his inboard system. The timer stuttered out a useless flood of information and then told him he had been running nearly an hour. He did not know very precisely how long an hour was, but as a rule of thumb it was enough. He wrenched the airlock stays free, prepared to enter, looked up for one last glimpse of the vista--and the idea popped forth, unbidden. In a heartbeat he turned the notion over and over, inspecting every nuance of it, and knew it was right. He studied the sky, saw the course Argo would follow in the gradually lifting gloom of the cloud-shadow. If they had to, there was enough in the sky to navigate by eye. He cycled through the axial lock, passed quickly through the tight zero-g vapor shower, and was back inside the spun-up corridors within a few minutes. Lieutenant Cermo was waiting for him at the midships gridpoint. He saluted and said nothing about Killeen's lateness, though his irrepressible grin told Killeen that the point had not slipped by. Killeen did not return the smile and said quietly, "Sound quarters." The way Cermo's mouth turned down in utter dismayed surprise brought forth a thin smile from Killeen. But by that time Cermo had hurriedly turned away and tapped a quick signal into his wrist command, and so missed his Cap'n's amusement entirely. Chapter TWO He directed the assault from the hull itselfnot so much because of Ling's windbag advice, Killeen told himself, but because he truly did get a better feel of things out there. So he stood, anchored by magnetic boots, as sunrise came. Not the coming of sunlight from a rotating horizon, a spreading glory at morning. Instead, this false dawn came as a gradual waxing radiance, seen through billowing, thinning grit. Killeen had noticed that soon Argo would pass across the last bank of clotted dust that hid Abraham's Star from them. The swelling sunburst would come as the ship very nearly eclipsed the mech vehicle that was escorting them inward toward the star. --Still don't see why the mech won't adjust for that,-- Cermo sent from the control vault. "It will. Question is, how fast?" Killeen felt relaxed, almost buoyant. He had committed them, after a week of vexed, fretting worry. If they entered the inner system around Abraham's Star with an armed mech vessel alongside, a mere quick command from elsewhere could obliterate Argo. Best take it out now. If that proved impossible, this was the time to know it. He searched the quilted sky for a single figure. --Approaching on assigned path,-- Gianini sent. This young woman had been chosen by Jocelyn to close with the mech. Killeen recalled that she came from Family Rook and knew her to be an able crewwoman. He followed standard practice in letting his lieutenants choose specific crew for jobs; they knew the intricacies of talent and disposition far better than he. Gianini had fought mechs back on Snowglade, was seasoned and twice wounded. And Killeen found her--a distant dot that sparkled amber and yellow as Abraham's Star began to cut through the shrouding clouds that hung over his shoulder, filling a quarter of the sky. TIDES OF LIGHT 9 The brooding mass had lightened from ebony to muted gray as it thinned. Shredded fingers of starshine cut the spaces around Argo. And Gianini sped toward the mech, using the sudden rise of brilliance at her back to mask her approach. A tactic. A stratagem. A life. A necessary risk, because the mech was too far away to hit with their weapons, which were designed for battles fought on land. Argo herself carried no weaponry, no defenses. --I'll hit it with microwave and IR, then the higher stuff.--Gianinfs voice was steady, almost unconcerned. Killeen did not dare reply, and had ordered Cermo not to allow any transmissions from Argo, lest they attract the mech's attention in the ship's direction. Gianinfs directed transmissions back could not alert the mech vehicle, though. As they had calculated, Abraham's Star began to brim with waxy radiance. Rays refracted through Killeen's helmet, sprinkling yellow across his lined face. He found he was clenching and unclenching his hands futilely. Do it now, he thought. Now! --Firing.- He strained, but could see no change in either the dot that was Gianini or the dark point where the mech moved against the blue background glow of a molecular cloud. --I can't see any effect.-- Killeen grimaced. He wanted to give an order, if only to release his own tension. But what would he say? To be careful? A stupid, empty nattering. And even sending it might endanger her. --Closing pretty fast.-- Gianini was a softening yellow dot approaching a vague darkness. Action in space had an eerie, dead-silent quality that unnerved Killeen. Death came sliding ballistically into the fragile shells that encased moist life. Starshine from behind him swelled and blared and struck hard shadows across Argo's hull. He felt how empty and barren space was, how it sucked human action into its infinite perspectives. Gianini was a single point among a countless plethora of similar meaningless points. He shook off the thought, aching to do something, to be running and yelling and firing in the midst of a suddenly joined battle that he could feel. But above him the dots coalesced in utter silence. That was all. No fervor, nothing solid, no sure reality. 10 Gregory Benford Burnished sunlight raked the hull around him. Time ticked on. He squinted at the sky and tried to read meaning into mere twitches of random radiance. --Well, if that don't damn all.- What? he thought. His heart leaped to hear Gianinfs voice, but her slow, almost lazy words could mean anything. --This thing's had its balls cut off. Ruined. All those antennas and launchers we saw in closeup, 'member? Their power source is all blowed away. Nothin' here that works 'cept for some drive chambers and a mainmind. Guess that's what led it our way.-- Killeen felt a breath he had been holding forever rush out of his chest. He chanced a transmission. "You're sure it can't shoot?" --Naysay. Somethin' pranged it good. A real mess it is here.--"Back off, then." --You want I should skrag the mainmind?- "Yeasay. Leave a charge on it." --Doin' that now.-- "Get clean clear before you blow it." --I'll put it close, be sure.-- "No contact, just leave it--" In Killeen's ears screamed the horrible sound of circuit ringing--a long high oscillating twang as a lead of electrical energy bled off into space, acting as an involuntary antenna as raw power surged through it. "Gianini! Gianini! Answer!" Nothing. The ringing wail steepled down into low frequencies, an ebbing, mournful song--and was gone. "Cermo! Suit trace!" --Getting nothing.-- Cermo's voice was firm and even and had the feel of being held that way no matter what. "Damn--the mainmind." --Figure it was on a trigger mine?---"Must've." --Still nothing.--"Damn!" --Maybe the burst just knocked out her comm.-- "Let's hope. Send the backup." Cermo ordered a crewman out to recon the mech vehicle. But the man found Gianini floating away from the wrecked craft, her systems blown, her body already cold and stiff in the unforgiving va-etlnm. Chapter THREE Killeen walked stiffly down the ceramo-corridors of the Argo, his face as unyielding as the walls. The operation against the mech was a success, in the sense that a plausible threat to the ship was removed. They had detonated the charge Gianini had left behind on the mech, and it had blown the vehicle into a dozen pieces. But in fact it had been no true danger, and Killeen had lost a crewwoman discovering that fact. As he replayed their conversation in his mind he was sure he could have said or done nothing more, but the result was the same a second's carelessness, some pointless close approach to the mainmind of the vehicle, had fried Gianini. And had lessened Family Bishop that much more, by one irreplaceable individual. Numbering fewer than two hundred, they were perilously close to the minimum range of genotypes which a colony needed. Any fewer, and future generations would spiral downward, weighed by genetic deficiencies. This much Killeen knew, without understanding even a smattering of the underlying science. Argo's computers held what they called "DNA database operations." There was a lab for biowork. But Family Bishop had no Aspects who knew how to prune genes. Basic bioengineering was of marginal use. He had no time and even less inclination to make more of such issues. But Gianini, lost Gianini-he could not so brusquely dismiss her memory by seeing her as simply a valuable carrier of genetic information. She had been vibrant, hardworking, able--and now she was nothing. She had been chipstored a year ago, so her abilities survived as a spectral legacy. But her ghostly Aspect might not be revived for centuries. Killeen would not forget her. He could not. As he marched stiffly to his daily rounds--delayed by the assault--he forced the somber thoughts away from him. There was time for that later. 11 12 Gregory Benford You are acting wisely. A commander can feel remorse and can question his own orders--but he should never be seen to be doing that by his crew. Killeen gritted his teeth. A sour bile settled in his mouth and would not go away. His Ling Aspect was a good guide in all this, but he still disliked the calm, sure way the ancient Cap'n laid out the precepts of leadership. The world was more complex, more darkly crosscurrented, than Ling ever allowed. You assume too much. I knew all the tides that sweep you, when I was clothed in flesh. But they are often hindrances, not helps. 'Tll keep my 'hindrances,' little Aspect!" Killeen pushed Ling away. He had a role to fulfill now and the small chorus of microminds that he felt calling to him could be of no help. He had followed Ling's advice and decided to continue with the regular ship's day, despite the drama of the assault. Returning to ordinary routine, as though such events were within the normal course of a ship's life, would help settle the crew. So he had told Cermo to carry on as planned. Only now did he realize what that implied. Killeen rounded a corner and walked toward the open bay where the crew of the morning's watch waited. Halfway there Cermo greeted him with, "Punishment hour, sir?" Killeen stopped himself from clenching his jaws and nodded, reealling the offense from yesterday. Cermo had caught a crewwoman in the engine module. Without conferring with his Cap'n, Cermo had hauled her--a stringy, black-haired woman named Radanan--uneeremoniously out into the lifezone, barking out his relish at the catch. The deed was publicly exposed before Killeen had a chance to find other means to deal with it. He had been forced to support his officer in the name of discipline; his Ling Aspect had drilled that principle into him. "Yeasay. Proceed." "Could give her more, y'know." "I said proceed." He had firmly resolved to speak as little as possible to his officers during ordinary ship operations. He was like a drinker TIDES OF LIGHT 13 who could not trust himself to stick to moderate amounts. In Family meetings he gave himself a little leeway, though. There, eloquence and even outright oration served his ends. He knew he was not very good at talk, and the briefer he was the more effect it had. As Argo had approached this star system he had gotten more and more terse. There were days when most of the crew heard him say only a short "ah-mmm" as he pointedly cleared his throat at some demonstrated inadequacy. As they made their way to the central axis Killeen set his face like stone. He was ashamed of his aversion to watching punishment. He knew that to punish a crewmember was a sign of his own failure. He should have caught the slide in behavior before it got this far. But once the event had occurred there was no turning back. In this case, Radanan had been trying to sneak into the thrumming dangers of the engine zone as they decelerated. This alone would have been a mild though flagrantly stupid transgression. But when Cermo caught her she had bristled, bitterly angry, and had called on some friends nearby, trying to provoke a minor mutiny. A wise Captain hands out rougher justice than this. His Ling Aspect offered this without being summoned. "She just screamed and swore some, is all," Killeen subvocalized. "And was stupid enough to take a poke at Cermo." Mutiny is a capital offense. "Not on the Argo." She'll incite others, harbor resentment-- "She was looking for food, just a minor--" You'll lose control Killeen damped the Aspect's self-righteous bark into silence. Evidently Radanan had been looking for a way to scavenge something extra, though Killeen could not imagine what she thought she might find. Usually, crew were caught pilfering food, an outcome of the strict rationing Killeen had imposed for a year now. 14 Gregory Benford The watch crew stood a little straighter as Killeen came into the area. Radanan was at the center of a large circle, since this was both a shipboard matter and a Family reproach. She looked down dejectedly. Her eyes seemed to have accepted already the implications of the cuffs around her wrists that held her firmly to a mooring line. Cermo barked out the judgment. Two crewmen stood ready to hold Radanan at the elbows in case she should jerk away from the punishment. She bleakly watched as Cermo brought out the short, gleaming rod. Killeen made himself not grit his teeth. He had to enforce his own rules or else nothing he said would be believed. And he did blame himself. The woman was not overly bright. She had originally been a member of Family Rook. By tribal consent, all those who had chosen to set off in the Argo had realigned, so that they constituted a new Family composed of the Bishops, Rooks, and Kings. They had elected to term it Family Bishop still, and Killeen had never been sure whether this was a tribute to him, a Bishop, or a simple convenience. At any rate, as he watched the hard rod come down upon Radanan's buttocks, he thought it seemed unlikely that a woman small-minded enough to venture into dangerous territory in search of an oddment would benefit from so crude a tactic as flogging. But tradition was tradition. They had precious little else to guide them in this vast darkness. A dozen cuts of the rod as Family punishment, each one counted out by a midshipman. And as ship's punishment, twelve more. Radanan held herself rigid for the first six and then began to jerk, gasps bursting out from behind clenched teeth. Killeen thought he would have to turn away but he made himself think of something, anything, while Cermo ran the count to twenty. Then she collapsed to the deck. "Belay that!" Killeen said sharply, and the awful business was over. She had stumbled so that she hung by her wrists. That took matters beyond anything he would tolerate and gave him grounds to call it off four strokes short. He struggled for something to say. "Ah-mmm. Very well, Lieutenant Cermo. On to the day's orders, then." Killeen turned and left quickly, hoping that no one noticed that he was sweating. Chapter FOUR He made his way in a sour temper through the slick corridors connecting the life vault with the central axis spiral. His anger with himself could find no clear expression. He knew he should have become hardened to the necessity of imposing punishment. Barring that, he should have been clever enough to find a way around the situation that Cermo's quick action had forced on him. A whiff of sewage wrinkled his nose. He hastened past. All of third deck was sealed off. Even so, some sludge had leaked into ventilation shafts here, and crew somehow never got it all cleaned out. The problem had started a year ago with dogged toilets. Attempts at repair damaged the valves and servos. The xvaste had spread through the third deck until work details gagged, fainted, and refused to go in. Killeen had been forced to seal the deck, losing bunking quarters and shops. He irritably demanded of his Ling Aspect, "You're sure you can't remember any more about pipes and such?" Ling's reply was stony: No. I have informed you often enough that I was brought up through the combat ranks, not the engineers. If you had not let ignorant crew tinker with the problem "I got no engineers know 'bout that, in chip or living. You savvy so much, why can't--" If you'll read the ship's flow diagram-- "Can't! They're too 'plexified. It's like tellin' what a woman thinks by studyin' every hair on her head." Even a ship tike this, though far advanced beyond some I commanded, requires intelligence to run. If you'll institute the study sessions I recommended long ago 15 16 Gregory Benford "Make Family sit and decipher for weeks?" Killeen laughed dryly. "You saw how far I got with that." Your people are unlike anyone I ever commanded, I'll grant that. You are from a society that scavenged and stole for a fiving-- "Won battles 'gainst the mechs, you mean. The food and 'quip-ment we got was war booty." Call it what you will. Such training is a far cry from the disci- pline and skill needed to fix even a broken sewer connection. Still, with time and proper training-- Killeen piped the Ling Aspect back down again; he had heard all this before. Ling knew of the Chandelier Age, xvhen humans had great cities in space. Cap'ns had made year-long voyages between Chandeliers, braving the increasing mech raids. Ling himself had functioned then as a full interactive Personality. The Family could no longer maintain Personalities, so Ling xvas available only as the lesser, truncated projection--an Aspect. Ling invariably recommended the strict discipline necessary in the Chandelier Age. Superimposed on that, though, was an older theme. The original, living Ling had come from the fabled Great Times, or possibly even beyond. The Aspect's memory flattened time distinctions, so it was hard to tell which facet of Ling was speaking. The sensation of having at the back of his head a voice from an unimaginably grand past, when humans had lived free of mech dominance, made Killeen uneasy. He felt absurd, maintaining the persona of a confident Cap'n when he sensed the supremely greater power of lost ages. As he climbed up the axis, saluting crew as he passed, he was uncomfortably aware of the scurfs and dings the walls had suffered. Here a yellow stain covered a hatchxvay. There someone had tried to cut away a chunk of hardboard and had given up halfway through, leaving a ragged sawtooth slash. Random chunks of old servos and electronics packages had been chucked aside and left, once they proved useless for whatever impulse had made crew yank them out of some locker. Argo's systems could handle nearly any threat, but not the insidious barrage of ignorance that Family Bishop served up. Their lifelong habits told them to strip away and carve up, haul off and make do, confident that mech civilization would unthinkingly TIDES OF LIGHT 17 replenish everything. Scarcely the talents appropriate to a starship crew. It had taken Killeen quite a while, and some severe public whippings, to get them to stop trying to harvest random gaudy bits from the ship's operating parts. He would have to order a general cleanup again. Once clutter accumulated, crew slid back into their old habits. The last week, distracted by the mech escort, he had let matters slide by. Breakfast was waiting in his cramped quarters. He slurped up a hot broth of savory vegetables and gnawed at a tough grain cube. The day's schedule shimmered on the tabletop, a 3D graphic display of tasks to be done about the ship. He did not know how this was done, nor did he care to learn. These last years had so saturated him with the Byzantine lore of the Argo that he was content to master what he had to, and leave much else to the crew. Shibo had ferreted out this particular nicety; she had an unerring instinct for the ship's control systems. He wished she were here to share breakfast, but she was on watch already at the helm. A knock at the door proved to be Cermo. Killeen had to smile at the man's promptness; on Snowglade he had been called Cermo-the-Slow. Something in Argo's constrictions had brought out a precision in the man that contrasted wildly with his muscular bulk. Cermo now wore an alert expression on a face which Killeen had for so long seen as smooth and merry. Short rations had thrust the planes of his cheeks up through round hills of muscle. "Permission to review the day, Cap'n?" Cermo asked snappily. "Certainly." Killeen gestured to a seat across the table. Killeen wondered idly if one of Cermo's Aspects had been a starship crewman. That might explain how naturally the man adjusted to ship life. Cermo's round, smooth face split with a fleeting grin of anticipation whenever Killeen gave an order, as though it summoned up pleasant memories. Killeen envied that. He had never gotten along well with his Aspects. Cermo launched into a summary of the minor troubles that each day brought. They were all hard-pressed, running a huge star-sailing machine bequeathed to them by their ancient forefathers and foremothers. Though each crewman carried Aspects of former Family members--which could help with some of the arcane ship's lorevexing problems cropped up daily. As Killeen talked with Cermo his left hand automatically tapped his cube of baked grain on the shiny ceramic table. Two years before, a crop-tending crewmember had been browsing among 18 Gregory Benford the agricultural storehouse. She had mistakenly read a label wrong and not bothered to consult with one of her Aspects to get it right. Blithely she had accidentally released a self-warming vial of frozen soil-tenders. They were ugly, slimy things, and the woman had been so badly startled that she dropped the vial. Some had inched their way to freedom before the crewwoman raised the alarm. In the rich loam of the gardens, carrying with them not only their own genes but also an anthology of lesser mites, the worms wreaked havoc. Killeen's rapping brought two small, squirming weevils wriggling from the tan grain cube. He swept away the tiny things and bit into the hard, tasty knot. It was hopeless to try to wipe them out now that they had spread. As well, he still objected to harming living things. Machines were their true enemy. If lesser life got out of its rightful place, thanks to human fumbling, that was no excuse to strike against the fabric of living beings. To Killeen this was not a moral principle but an obvious fact of his universe, of unspoken Family lore. Cermo sat uncomfortably in a small chair, cheerfully jawing on about the woman's punishment and all the supposed benefits of discipline that would unfold from it. He should be the one carrying Ling, not me, Killeen thought. Or maybe it was easier to take a hard line when final responsibility wasn't yours. He had seen that years before, when Fanny was Cap'n. Her lieutenants had often favored tough measures, but Fanny usually took a more moderate, cautious course. She had kept in mind the consequences of decisions, when an error could doom them all. It occurred to Killeen that his own hesitant way in those days might have been what made Fanny advance him up the Family's little pyramid of power. Maybe she had mistaken that for a wary sense of proportion. The idea amused him, but he dismissed it; Fanny's judgment had been far better than his, better than that of anyone he had ever known except for his father, Abraham. Killeen had enjoyed some success, due mostly to outright luck, but he knew he could never equal her abilities. "The Rooks 'n Kings always grumble 'bout a whipping if it's one their folk," Cermo said. "But they get the point." "Still bitching over how I chose my lieutenants?" He had made Cermo and Jocelyn, both Bishops, his immediate underofficers. Lieutenant Shibo was both Chief Executive Officer and Pilot. She was the last survivor of Family Knight. TIDES OF LIGHT 19 Though she had lived with the Rooks, everyone considered her a Bishop because she was Killeen's lover. Of such Byzantine issues was policy made. In the ditTcult days following liftoff from Snowglade, Killeen had tried using Rooks and Knights as Lieutenants. They simply didn't measure up. He had wondered if their time living in a settled village had softened them. Still, he saw that his decisions had not been politically wise. Abraham would have finessed the matter in some inconspicuous way. "Yeasay," Cermo said, "but no worse than usual." "Keep your ear on the deck. Let me know the scuttlebutt." "Sure. There's some who talk more'n they work." "That's private Family business." "Could use a touch of the crop, I'd say." Experience told him that it was best to let Cermo go on for a while, exhaust the subject of crew discipline. Still, he wished he were breakfasting with Shibo, whose warm, sure silences he found such a comfort. They understood each other without the endless rattle of talk. "--train 'em, get 'em savvy out the techtalk in ship's computers." "You think the younger ones'll do better at it?" Killeen asked. "Yeasay. Shibo, she says--" Cermo was always coming up with another scheme to get more of the Family trained. The simple fact was that they were hardened people and didn't learn technical matters easily. Families traded knowhow, but their ageold tradition was as craftsmen and craftswomen, not as scientists. He nodded at Cermo's enthusiasm, half-listening, his attention focused all the while on the incessant ship noises. The muffled thud of heels, a gurgle of fluids in pipes, a subtle creaking of decks and joints. But now there was a lower note, coming from the rub of interstellar dust against the giant balloonlike lifezones. The strumming sound had gathered over the last weeks, a deep voice that spoke in subliminal bass notes of the coming of the beckoning yellow star. Decelerating, Argo swooped among thickening dustclouds that shrouded this side of the coming sun. Mottled dustlanes, cinder-dark, cloaked their view of the inner planets. The low, resonant bass note kept its unnerving, constant pitch. Sometimes in his sleep he imagined that a slow, solemn voice was speaking to him, the words drawn into a dull moan that forewarned doom. Other nights it was a giant's drunken boom hurling slurred words at him, the tones shaking his body. 20 Gregory Benford He had immediately shrugged off these rough visions; a Cap'n could not afford to harbor such gloomy and irrational thoughts. Still, the hum now came creeping into his hands as they rested on the table. As a boy he had not known the stars were other suns. The spilling fluid flow of gas and smoldering dust about Galactic Center had seemed inconsequential, forever silent and distant. Now the thick churn sang against Argo, a quickening wind driven by the galactic wheel. The Argo had somehow tapped this gale, he knew, harnessed its unseen dynamics. The massive, dusty currents smothered suns and silted planets with grime, so his Arthur Aspect said. The moaning that ranged and stuttered through Argo seemed to wail of dead worlds, of silted time, and of the choked-off visions of lost races he would never know. The tabletop between them flickered abruptly. Shibo's chiseled features appeared, flattened and distorted by the angle. "Pardon," she said when she saw Lieutenant Cermo. "We have clear view now, Cap'n." "You see more inner worlds?" "Aye, a new one. Dust hid it before." "Good detail?" "Aye, sir," Shibo said, her glinting eyes betraying a quick, darting enthusiasm. If it had been just the two of them, she probably would have thrown in a dry joke. Killeen made himself take his time finishing the bowl of green goulash and then savored the last dregs of his tea. He spoke slowly, almost casually. "Take a sure sighting, using all the detectors?" "Course," Shibo said, a small upturning of the corners of her lips showing that she understood that this show was for Cermo's benefit. "Then I'll be along in a bit," Killeen said with unexcited deliberation. He had seen his father use this ruse long ago in the Citadel. Cermo shifted impatiently in his chair. They all wanted to know to what world two years of voyaging had brought them. Many still felt that the Mantis had sent them toward a lush, green world. Killeen was by no means convinced. He trusted no mech. He still remembered with relish their obliteration of the Mantis in Argo's exhaust wash at liftoff. He took his time with the tea, using it to consider the possible reactions of the Family if their expectations were not met. The prospect was sobering. TIDES OF LIGHT 21 He debated having another cup of tea. No, that would be too much torture for Cermothough the man had certainly seemed to like handing it out to the Radanan woman earlier. Forgoing the tea, he nonetheless put on his full tunic and walked rather more slowly than usual around the ship's axis and up one level. His officers had already assembled in the control vault when Killeen arrived. They were staring at the big display screen, pointing and whispering. Killeen realized that a proper Cap'n would not allow such milling in the confines of the control vault, despite the fact that this was a completely natural reaction to years of long voyaging. He said sharply, "What? Nobody's got jobs? Lieutenant Joce-lyn, how's the patching going in the dry zone? Faldez, those pipes still clogged in the agro funnel?" His stern voice dispersed them. They left, casting quick glances back at the display screen. He wanted them to see that he had not deigned even to look at the image there, but had tended to ship's business first. They could not know that he kept his neck deliberately turned so that temptation would not slide his eyes sideways to catch a glimpse. He exchanged a few words with several departing officers to be sure his point was made. Then he turned, pursing his lips to guard against any expression of surprise that might cross his face, and stared directly into their destiny. Chapter FIVE Two years before, Cap'n Killeen had flinched when he saw the ruined brown face of his home planet, Snowglade, as Argo lifted away. Now, with heady relief, he saw that the shimmering image before him did not resemble that worn husk. Near its poles small dabs of bluewhite nestled amid gray icecaps that spread crinkled fingers toward the waist of the world. But these features came to him only 'after a striking fact: "Wrong colors," he said, startled. Shibo shook her head. "Not all. Ice is dark, yeasay. But middle is green, wooded---see the big lakes?" "Pale areas in between look dead." "Not much vegetation," Shibo conceded. "What could cause . . . ?" Killeen frowned, realizing that he would need to know some planetary evolution, in addition to everything else. Shibo said, "Could be these clouds did that? Dust killed plants, dirtied up the ice, turned it gray." Killeen sensed that it would not be wise to admit complete ignorance in front of Cermo, who had remained. "Might be. Plenty dust still around. That's why we're coming in at a steep angle." Killeen studied the planer's crescent for signs of human life. The nightside was utterly dark, though even if he had seen lights they might easily have been cities built by mechs. Cermo said hesitantly, "Sir, I don't understand .... Normally it was a bad idea to explain the basis of your decisions to underofficers, his Ling Aspect had said. But it was also a good idea to train them; the days ahead would be dangerous, and if Killeen fell, his replacement would need to know many things. "These little black blotches--see them?" Killeen pointed as the scale of the viewing screen enlarged, bringing in the hot disk of the parent star. Beyond it, the broad, banded grins of two silvery 22 TIDES OF LIGHT 23 gas giant planets hung against a speckled tapestry of molecular clouds. Tiny smudges freckled the image, motes that ebbed and flared from day to day. "This star, it's ripped apart a passing cloud. There's lots of these blobs in the plane of the planets." Killeen paused. The three-dimensional geometry had been easy for him to see in Aspect-provided simulations, but now it was hard to make out in a fiat grid projection like this. "So I directed us in at a steep angle," he said, "cutting down into that plane. That'll avoid running into small clouds that we might not detect. Argo won't hold up if we get blindsided by one of those." He watched fondly as Shibo's exoskeleton whirred as her hands passed over the control boards. Its polycarbon lattice made swift, sure movements. For Killeen one of the many delights of Argo's slow spin was that she seldom needed her mechanical aid except for quick precision. In Snowglade's heavy gravity she had used it continually just to keep up. A genetic defect had given her only normal human strength, which was much less than the Families' level. Still, the simple sight of her made him smile. Momentarily the day's weight lifted. She brought up wildly different views of the planetary system, images colored in splashes of violent reds, tawny golds, cool blues. Killeen knew these arose from different spectra, but could not say how. They showed grainy specks orbiting between the planets--small knotty condensations that hailed incessantly in toward all the stars at Galactic Center. These had been caught by Abraham's Star and now pelted its planets unmercifully. "Bet it makes for a dusty sky down there," Shibo said re-fiectively. She thumbed up a speckled orange display which highlighted five cometary tails. They lay above and below the plane of the planetary orbits, gaudy streamers that pointed inward like accusing fingers. Killeen caught her meaning. "I don't believe, though," he made himself go on with casual assurance, "that the dust could snuff out life. This planet's suffered infalling grime before. You can see the forests have survived. It can still shelter us." Shibo gave him a wry sidelong glance. She sometimes fed him hints like this, enabling him to seem to have thought problems through before they came up. It was a great help in slowly building a crew, Killeen thought, if the Cap'n happened to love 24 Gregory Benford the Chief Executive Officer. He resisted the temptation to smile, sure that Cermo would guess his thoughts. "Any moons?" he asked stonily. "None I can see so far," Shibo said. "There's something else, though .... " Her slender arms stretched over the controls, calling forth functions Killeen could scarcely follow. Far out he saw a nugget of bronzed hardness. "A station." She answered his unspoken question. Cermo gasped. "A . . . a Chandelier?" "I can't make it out well enough. Could be." Killeen asked, "Can't we see better? If we wait till we're closer, could be dangerous." She thought, punched in an inquiry. "No, not this way. There's another lensing system, though. Needs be hand-deployed on the aft hull." "Do it," Killeen ordered. Of Cermo he asked, "Who's got suit duty?" "Besen," Cermo said. "But she's young. I'd--" "Use the assigned crew. Besen's quick and smart." "Well, still, Cap'n--" "They'll never learn if they don't face problems." Killeen could remember his father saying exactly the same, refusing to shield Killeen from tough jobs when he was a boy. He studied the small bronze speck for a long moment, then asked Shibo to give the natural light view. In true human spectrum the thing glittered with jewellike warmth, but under maximum magnification he could make out no structure. Quite possibly this was a human outpost. Perhaps--Killeen felt a racing excitement--it was indeed an ancient Chandelier, those legendary edifices of crystalline perfection. He had once seen one through a 'scope on Snowglade, so far away that he could make out no detail. He had caught only the strange glimmering presence of it, the suspicion of beauty lying just beyond perception. The possibility of finding something man-made, hanging in this roiling vault of troubled sky, was enough to summon up his profound respect and awe for the ancient masters who had made Argo and the even older Chandeliers. That he might see one closely--the thought made him lean toward the screen, as if to force answers from it. Besen arrived, a young woman of hard eyes and soft, sensuous TIDES OF LIGHT 25 mouth. She had a strict crewlike bearing and came to attention immediately after entering the control vault. "Sir, I--" Killeen's son, Toby, dashed in through the hatchway before she could finish. He was gangly, a full head taller than Besen, and panted heavily. "I--I heard there's some hullwork needs done." Killeen blinked. His son was flushed with excitement, eyes dancing. But no Cap'n could allow such intrusions. "Midshipman! You were not ordered here. I--" "I heard Besen's call. Just lemme--" "You will stand at attention and shut up!" "Dad, I just want--" "Stand fast and belay your tongue-wagging. You are crew here, not my son--got that?" "Uh... yeah . . . I..." "Stand on your toes," Killeen said firmly. He clasped his hands behind him and jutted his chin out at the undisciplined young man his own boy had become. "Wh-what?" "Deaf, are you? You will stand on your toes until I am finished giving orders for Midshipwoman Besen. Then we will discuss the proper punishment for you." Toby blinked, opened his mouth to speak, then thought better of it. He swallowed and rose on his toes, hands at his side. "Now," Killeen said slowly to Besen, who had all this time remained standing at attention, eyes ahead-though at the word tongue-wagging a quick grin had flashed across her face. "I believe Officer Shibo has instructions for your task. Perform it with all good speed." SIX Besen proved equal to the demands of finding and extruding from the ancient ship's hull the needed optieals. They followed her progress on the main monitor. Killeen gave Toby a dressing-down in front of Cermo and Shibo, knowing that through Cermo the story would get through the ship faster than if he had played it over full comm. All the while Toby had to remain on his toes, even after the ache began to twist his face with grimaces and sweat beaded on his brow. In this contest between father and son there could be only one winner--Family legacy and the demands of the ship itself required that--but Toby held out as long as he could. Finally, in the middle of a deliberately protracted lecture by Killeen on the necessity of following orders exactly, Toby toppled over, crashing to the deck. "Very good. Lesson finished," Killeen said, and turned back to the main display screen. Besen had adroitly arranged the fibcry, translucent opticals, which were too delicate to be permanently exposed. She tilted their platform so they could find the tiny glimmering planet that lay swaddled in the dusty arms of the star's ecliptic plane. Shibo brought up an image from it quickly. Killeen watched the watery light resolve, while Toby got up and Lieutenant Cermo ordered him back to station. It had been a hard thing to do but Killeen was sure he was right, and his Ling Aspect agreed. The inherent contradictions involved in running a crew that was also a Family demanded that difficult moments not be avoided. "What... what's that?" Cermo asked, forgetting that it was a good rule never to question a Cap'n. Killeen let it pass, because he could well have asked the same question. Against a mottled background hung a curious pearly thing, a disk penetrated at its center by a thick rod. Strange extrusions pointed from the rod at odd angles. Instinctively Killeen knew it 26 TIDES OF LIGHT 27 was no Chandelier. It had none of the legendary majesty and lustrous webbed beauty. "Mechwork, could be," he said. Shibo nodded. "It circles above the same spot on the planet." "Is there some way we can approach the planet, keeping this thing always on the other side?" Killeen asked. He still had only a dim comprehension of orbital mechanics. His Arthur Aspect had shown him many moving displays of ships and stars, but little of it had stuck. Such matters were far divorced from the experience of a man who had lived by running and maneuvering on scarred plains. Once, when Killeen had asked if a ship could orbit permanently over a planet's pole, Ling had laughed at him--an odd sensation, for the tinny voice seemed to bring forth echoes of other Aspects Killeen had not summoned up. It had taken him a while to see that such an orbit was impossible. Gravity would tug down the unmoving ship. "I can try for that in the close approach. But even now this thing could have seen us." "We will avoid it then, Officer Shibo. Give me a canted orbit, so this satellite can't see us well." Shibo nodded, but by her quick, glinting eyes he knew she understood his true thoughts. Soon he had to decide whether they would pause in this system at all. The Mantis, that frosty machine intelligence of Snowglade, had set them on this course. But if the planet ahead proved to be mech-run, Killeen would take them out of the system as swiftly as he could. But where was the crucial choice to be made? No experience or Family lore told him how to decide, or even when. He left the control vault and walked through the Argo's tight-wound spiral corridors. Inspections awaited, and he took his time with them. He kept his pace measured, not letting his interior fever of speculation and doubt reveal itself, so that passing crew would see their Cap'n moving with an unconcerned air. There was a gathering, humming expectancy in the air as they plunged toward their target star. Soon they would learn whether they came to a paradise or to another mech-run world. The planet's strange, discolored face had given him no answers, and he would have to deflect questions from Family members who so desperately wanted assurances. Walking through a side corridor, he heard a faint scrabbling 28 Gregory Benford noise from an air duct. Instantly he sprang up, unslipped the grille, and peered inside. Nothing. The sound, like small feet scrambling away, faded. A micro-mech, certainly. Try as they might, the crew had never destroyed all the small mechs left in the Argo by the Mantis. The remaining machines were almost certainly unimportant, delegated to do small repairs and cleaning. Still, their presence bothered Killeen. He knew how much intelligence could be carried in a fingernail's width; after all, the chips lodged along his spine held whole personalities. What were even such small mechs capable of doing? He had no way of knowing. There had been disturbing incidents during the voyage, when problems mysteriously cleared up. Killeen had never known whether the ship had repaired itself with deep, hidden subsystems, or whether the micromechs were at work, following their own purposes. No Cap'n liked to have his ship at the control of anyone but himself, and Killeen could never rest comfortably until all the micromechs were gone. But short of some drastic remedy, he saw no way to rid himself of these nuisances. Vexed, he took a moment for himself and stopped at a small side pocket just off the spiral corridor. Here was the only room in Argo devoted solely to honoring their link to antiquity. It was large enough for ceremonies such as marriages or deaths, which Killeen had duly performed in the last two years, and dominated by two iron-dark slabs on two walls. These were the Legacies, Argo's computer memories said. They were inscribed with spidery impressions that glinted in all colors if a light shone upon them. A digital language, clearly, though couched in terms even the Argo programs could not unravel. The ship had severe instructions to preserve these tablets, embedded in the ceralno-walls, against all depredations. Clearly here was some incomprehensible clue to the origin of humans at the Center, and perhaps much else-but Killeen had no idea how to pursue this avenue. He came here, instead, to sit on a simple bench and think. The looming, somber presence of the twin-slab Legacies gave him a curiously calming sensation of a firm link to a human past unknown and yet magnificent. In ancient days humans had built ships like this, plied the thin currents between suns, and lived well, free of the grinding presence of vastly superior beings. TIDES OF LIGHT 29 Killeen envied the people of that time. He paused now to run his palms over the smooth surface of the Legacies, as if some fragment of ageold vision and wisdom could seep into him. Now that the problems of Cap'ncy beset him, he thought often of Abraham and all those from times before. They had led the grudging retreat before the mechs. They had given everything. To Killeen and the Bishops fate had granted a shred of hope. A fresh world, new visions. He could liberate his people or he could lose their last gamble. And this opportunity had come just one bare generation late. Abraham would have known what to do now. Abraham had been a natural leader. His sunbrowned, easy air had commanded without visible effort. Killeen missed his father far more than he had in the days after Abraham's disappearance at the Calamity when Citadel Bishop fell. Time and again he had wondered what his father would have done .... He sighed and got to his feet. His hand brushed the Legacies once more. Then he turned and left, the mottled brown face of the nearby planet framed in his right eye, so that he could study new pictures as they arrived. He was mulling over this vision so deeply that he didn't hear the running feet in the spiral corridor. A body slammed into his shoulder and spun him around. He fetched up against the wall, the wind knocked out of him. His son peered into his face. "You all right, Dad?" "I . . . didn't hear . . . you coming," Besen and three others came running up, their hot pursuit of Toby brought to a halt as they saw the Cap'n. "We were just, y'know, playin' a lfl kickball," Toby said sheepishly, holding up a small red sphere. "It's lots fun, on the axis," another boy said. "Yeasay, funner with low grav," Besen put in. Her eyes were zesty and bright. Killeen nodded. "Glad you're keeping your legs in shape," he said. A meaningful glance at the others prompted them to leave him alone with Toby. "You steamed 'bout what happened in the control vault?" Toby chewed at his lip, conflict warring in his face. "Don't see why you had to roust me." "I won't give you the discipline lecture, but--" "Glad 'bout that. Been hearin' nothin' but that from you." "You haven't given me much choice." 30 Gregory Benford "And you aren't givin' me much chance." "How you figure?" Toby shrugged irritably. "Ridin' me alia time." "Only when you force me." "Look, I'm just tryin', that's all." "Trying too hard, maybe." "I'm tired out from just sittin'. Wanna do somethin'." "Only when you're ordered." "That's it? No" "And you'll belay your gab when I give you an order, too." Toby's lip curled. "That your old Ling Aspect talkin', right? What's 'belay' mean?" "Means stop. And my Aspects are " "Ever since you got it, seems like it's givin' the orders." "I take advice, certainly--" "Seems like some old fart's runnin' Argo, not my dad." "I keep my Aspects under control." Killeen heard his voice, stiff and formal, and made himself say more warmly, "You know what it's like sometimes, though. You've had two Faces now for--what?--a year?" Toby nodded. "I got 'era runnin' okay." "I'm sure you do. They ride easy?" "Pretty near. They give me tech stuff, mostly." "But you can see, then, how you look at some things differently." "Get tired, just sittin' 'round tryin' to fix stuff." "When the right time comes--" Toby's mouth warped with exasperation. "Me an' the guys, Besen, all of us--we wanna be in on what happens." "You will be. Just hold back some, yeasay?" Toby sighed and the tightness drained slowly from his face. "Dad, it's like there's . . . there's no time anymore when we're just . . ." "Just us?" Toby nodded, swallowing hard. "You better 'member, I'm Cap'n now a lot more often than I'm your father." Toby's jaw stiffened. "Seems you come down special hard on me lately." Killeen paused, tried to see if this was so. "Might be." "I'm just tryin', is all." "So'm I," Killeen said quietly. "I don't want to miss out on anythin' when we hit ground." TIDES OF LIGHT 31 "You won't. We'll need everybody." "So don't leave me out, just 'cause I'm . . . you know." "My son? Well, you won't stop being that, but sometimes maybe you'll wish you weren't." "Never." "Don't think you'll get special jobs, now." "I won't." "Son? None this changes what we are, y'know." "I guess." Toby's face seemed strained and flattened in the enameled light. "Only... it's not like the old times." "When we were runnin' for our lives? I'd say this is sure as hell better." "Yeah, but... well..." "Hard times only look all right when you're lookin' back from good times." Toby's face relaxed a fraction. "I guess." "Between us, time makes no difference." "I guess." Chapter SEVEN Toby went back to his kickball in the spiral axis. Killeen warned them to be careful and not get in the way of crewwork, but never considered ordering them to stop. As near as he could tell, humanity had come into being on the move, designed to chase small game that bounded around very much like a ball, and he wasn't about to get in the way of so basic an impulse. It kept the crew in condition and smoothed out antagonisms, too. But not all. As he passed a maintenance pocket he came upon a dozen Family huddled around a small fire of cornhusks and dried cobs. Killeen disliked the sooty stains this practice left on the ship's walls, but he understood the reassurance of a communal fire. In dimmed light the crackling yellow tongues forked up like wild spirits, casting fluttering shadows among faces intent with their discussion. He expected a lot of earnest talk now; the ship echoed with chatter and hoteyed gossip. To his surprise, this knot of idlers included First Mate Jocelyn. "Cap'n!' she hailed. She was a stringy, middle-aged woman with quick, canny eyes. She wore the coverall appropriate for shipwork, free of snags and covered with zippered pockets. The sewing and metal-shaping skills of the Family had come to the fore during the two years of voyaging from Snowglade, giving every Family member a sturdy wardrobe fashioned from organiweave and from the fiber of plants from the lifezone bubbles. Killeen made a clipped half-salute, a gesture he had perfected. It carried greeting and acknowledgment, but also reminded that he was in his official Cap'n capacity, not functioning as simply another member of the Family. He was about to move on when Jocelyn said loudly, "We're figurin' on takin' that station, yeasay?" Killeen was stunned. "How--" he began, then stopped himself. He must not betray surprise that word of the station had 32 TIDES OF LIGHT 33 gotten around so fast. Shiptalk was legendary. "--you mean?" he finished. He knew that the old formalisms of Family speech dictated that he should say "do you mean"--long hours spent with his Aspects had made the ancient, smoother speech patterns almost second nature to him, and he customarily used them to distance himself. But casual crewtalk might be the right approach now. "Heard there's a big mech place up ahead," one of the men said slowly. "Word gets 'round," Killeen admitted, settling onto his haunches. This was the ageold posture the Family had adopted while on the move, always ready to jump and move in case of surprise. Here it was meaningless, of course, but it underlined their common past and equality. Everyone in the circle was also squatting, some clutching small bottles of flavored water. A midshipman offered Killeen one and he took a swig: rich aromatic apricot, the fruit now flowering in the lifezones. "Yeasay," Jocelyn said. "We'll be having a gathering?" "Don't see why," Killeen answered carefully. "Battle plans!" a burly crewman exclaimed loudly. "And what battle's that?" Killeen countered quietly. "Why, 'gainst that mechplex," the man said. Several grunts of agreement came from the knot. "You sure it's a mechplex?" Killeen asked mildly. "What else's it?" a deckwoman demanded. Killeen shrugged, eyeing them closely. They seemed worked up by the prospect of an attack, faces pinched and drawn. "We'll see." "Can't be anythin' but human or mech," Jocelyn said, "and it's sure as hell not human." "We'll attack no mechplex without getting its measure first," Killeen said. "Surprise it!" the burly man said hoarsely. Killeen suspected the man had been drinking something beyond flavored water. Indeed, in several faces here there was a glow, a certain careless droop of lip and eye, that told him much. A clear violation of regs. But he reckoned that this was not the best moment to challenge them. Something more was going on and he needed to find out what. "Coming at it from an empty sky--that's a surprise?" He chuckled. "We killed the mechs aboard here!" the man countered. 34 Gregory Benford "We had real surprise then. They weren't ready for an assault at liftoff. We had that one chance, sweep the ship clean, and we took it." Killeen shook his head. "Won't get that chance again." This seemed to silence most of them; there had been restless mutterings around the circle for the last few moments. Killeen still could not see where these ideas had come from. For some time now he had watched the Family acquire the usual bad habits of an outdoor folk forced to live too long in cramped quarters: drinking, stimwires, gambling, random pointless quarrels. Beyond those infractions, which he could deal with in the usual ways, there had gradually risen a harder problem. They regaled one another with gaudy tales of past battles, grand adventures bloated beyond recognition. Killeen himself could recall all too clearly those years spent on the run across Snowglade--his frequent chilling fear, the sickening indecision, the many scrambling retreats from humbling defeats. Now, as the tales had it, everyone (but usually most notably the narrator) had been valiant, savvy, quick, and steadfast, a dreaded scourge of mechs. But there was something more than empty bravado here. He watched the snapping flames, smoke licking at his eyes with a sting he almost welcomed. The sooty tang brought forth innumerable memories of hard nights spent peering dejectedly into gutter-ing campfires, fearing every odd sound that came ringing out of the darkness. The corncobs gave off a sweeter taste than the bite of woodsmoke, but the gathering pall did encase this nook in a comforting blue fog, a momentary signature of their mutual dependence. He felt a restive mood building and kept his silence, letting it grow. Finally Jocelyn edgily broke the silence with, "Near as I 'member, Fanny said that we should never leave a mechplex at our back when we're advancin'." Heads nodded all around the circle. Killeen sipped thick apricot nectar to cover his surprise. So it was Jocelyn talking up these ideas, harking back to the old Cap'n, Fanny. Though Fanny had been dead years now, cut down back on Snowglade by the Mantis, she still exerted a profound influence in the Family. Killeen himself had respected and loved her beyond saying. Innumerable times, during their long voyage, he had asked himself, What would Fanny do now? and the answer had guided him. But this was different. Jocelyn was using Fanny's legend to sow trouble among the crew. "She also said, don't take on enemies you don't need." Killeen TIDES OF LIGHT 35 looked deliberately around, locking eyes with each of the crew in turn. "And 'specially when they're bigger'n you." Some murmuring agreement welcomed this. Jocelyn didn't look directly at Killeen, but said, "If we can't take a station, how'11 we do with that whole damn planet?" Killeen knew he had to be careful here. There was a tense expectation in the air, as if Jocelyn had summed up what they all felt. This was a Family talk, and she had kept it just beyond the strictures of ship discipline. He could cut off Jocelyn right now, show his anger, but that would leave unanswered questions, and irritations among the crew. He decided to not invoke his rank. Instead, he laughed. Jocelyn had not expected that. His dry chuckle startled her. Then he said with a halfsmile, "That's your killer-Aspect talkin' again, right?" He turned to the rest. "Jocelyn now, she's loaded in five new Aspect chips in just the last year. One's a Cap'n who specialized in leadin' charges 'gainst the mechs--just 'bout the only maneuver he knew, I'd guess, 'cause he sure didn't live long. That Aspect gives great advice, he does--only it's always the same." Several around the circle smiled. Granted, the Family would never have survived this voyage without the Aspects' vast hoard of advice on the ancient human tech which had built the Argo. But their hovering presences perpetually yearned to be tapped more fully into their host's sensory net, to gobble hungrily of the very air and zest that life brought. Aspects could never be truly content. They came from many eras and their advice often conflicted. Occasionally one dominated its host's thinking. Letting an Aspect get out of control was humiliating. Muscles bunched in Jocelyn's long jaw. "I speak for myself, not for some dusty Aspect," she spat out. "Then you should avoid fights when you can." Killeen kept his voice wry and friendly. She said sharply, "Like this one?" So she had gotten the hint and still chose to make this public. Very well. "Now that you mention it..." "Some of us think Family honor demands--" "Honor's the first thing that falls on a battlefield," Killeen said dryly. He immediately regretted having interrupted her, because Jocelyn's eyes narrowed angrily. "We should take that mechplex 'fore it attacks us." 36 Gregory Benford "Our target's a world, not a tin box in space," Killeen said easily. He knew he would come out ahead if he let her lose her temper. "With that in our hands, we can control what reaches the surface!" she said excitedly. "And alert whatever's on the surface before we can land the Argo," he said. "Well, Fanny would never--" "Lieutenant Jocelyn, belay that Fanny stuff. I'm Cap'n now." She looked startled. He had always thought that she was best at following a planned tactic. She fumbled when time came for fast footwork and a shift of attack. "Uh, aye-aye, but--" "And I say we're going straight in. Got that? We'll skip the station." "Damnall, that station'11 give us--" --Cap'n!-- The call came not from the circle but from Killeen's own belt. He was startled at the tinny voice that spoke from his waist: Shibo. "Yeasay," he answered. Abruptly he lost interest in Jocelyn. Shibo seldom called on ship comm. For her to do so meant something important. ---The board-- Shibo began, but Killeen cut the switch. He never allowed crew to overhear officers' messages unless he wanted to leak something deliberately. He got up, nodded briskly at Jocelyn, and set off up the spiral to the control vault. He disliked leaving his dispute with Jocelyn hanging. He had blunted her momentum, but left a core of resistance in her still. And ambition, as well. When he came through the hatch, Shibo was standing with uncharacteristic immobility, meditative: her arms wrapped around herself, thumbs hooked into her shiny black exskell ribs. Normally her hands would be moving restlessly over the boards, summoning forth the Argo's energies and microminds. "Cap'n, I have a problem. New kind, too." Her luminous eyes and chagrined mouth could not conceal her alarm. "Is it the station?" "In a way." Her exskell shifted like a cage of black bones, framing her gesture: something halfway between a shrug and a vexed wave of dismissal. "The board is frozen. I can't dictate trajectory anymore." "Why not?" TIDES OF LIGHT 37 "Some override command." "From where?" "Maybe 'From when?' is the right question." "The Mantis?" "Could be. It's taking us on a slightly different tack from planetary rendezvous." "You can't countermand it?" "No." When Shibo admitted defeat he was sure she had struggled with the problem to her limits. He frowned. "Where are we going?" "Toward that station. Against our will." Chapter EIGHT Deep bass moans ran the length of Argo, like the songs of great swollen beasts. The dust outside hummed and rubbed against the lifezone bubbles as the ship decelerated. It was as though the thin flotsam of the Galactic Center, spiraling in toward the shrouded star ahead, played the Argo like a great taut instrument. Melodies of red lightning danced about the burnished bow. Killeen watched the approach of the station. He stood with his back to the assembling crew and peered through the forward port. Their trajectory ahead was clear. Argo was coming down to fly parallel to the station's great circular plain, skimmed along it by unseen forces. Shibo could do nothing with Argo's helm. He allowed himself a smile of self-derision. His proud show of decisiveness had come to nothing. Jocelyn's cagey--and insubordinate cgging on of the crew, and her public disagreement, had angered him. She had taken advantage of the Family context to attack his piloting decisions. Now, ironically, her whetting of appetites for action served his purposes. He had to rouse the crew for an assault that promised little success. They were going in against unknown opponents, across a mechtech terrain they had never seen the likes of before. Hard-learned Family tactics would mean nothing here perhaps worse than nothing, for they might well be exactly the wrong thing to do. The swelling disk below revealed its silvery intricacies as he watched. At their present speed, blunted somehow by the station as they approached, it would take over an hour to reach the central tower. If that was their destination, he had time to carry out the ruse he had planned. If not, there was a surprise squad set at a spot mechs would probably not anticipate. Killeen wore his full ceremonial tunic of blue and gold over his gray coverall, and a full belt of tools and weapons beneath that. 38 TIDES OF LIGHT 39 He would waste no time changing if events interrupted the ceremony. Battle squads were poised at every small lock of the ship, ready to pour forth on signal. The remaining crew, gathered here, were for effect. Killeen had no way of knowing if whatever ran the station had already planted bugs on the hull, listeners powerful enough to pick up conversation. But he had to allow that this might be true, and use it against the enemy if he could. Ahead, the scintillant, perfectly circular disk filled half the sky. Phosphorescent waves spiraled inward on the disk, their troughs brimming silver, their peaks moving rims of gold. The lumines-cence hovered like a fog over the actual metalwork of the disk. Arcs formed at the disk's rim, where they washed and fretted in random rivulets. Somehow this chaos resolved itself into distinct waves which grew and glowed with each undulation, oozing inward to join a whirlpool that twisted with majestic deliberation toward the towering spike at the disk center. That bristly central axis harvested the inward-racing waves in a spray of rainbow glory as they hammered against its ribbed base. Jutting above and below the disk, the light-encrusted central tower tapered away, many kilometers long. Web antennae bristled along it. One end of the tower poked into a vapor of forking flux that burned steadily, silent and ivory against the backdrop of a passing dustcloud. The other ended in a burnished stub. The waves seemed to be drawing Argo down in a long, scalloping glide across the circular plain. Bulkheads crackled and the deck rippled in sluggish, muscular grace, like something roused from sleep. Killeen fretted about how much of such flexing the ship could take. Shibo said to him quietly, so the gathering Family behind them could not hear, "Lie doggo?" "A little longer. Looks like whatever's bringing us in is taking no other precautions." "Maybe it thinks we're a mech ship?" "Hope so." Killeen watched luminous discharges warp and merge in the plain beyond. He had the sensation of skating over a huge sea, and remembered the time he had spent in a place like this--the interior digital world of the Mantis, a great gray ocean of the mind. "What now?" she prompted. "We zag against their zig." He turned when he sensed the room become still. Lieutenants 40 Gregory Benford Cermo and Jocelyn had ranked and ordered the Family into lines precise and attentive. This was the atmosphere he wanted, had carefully programmed. Here, he reflected, was all of humanity he would probably ever know again. The nearest brothers were back at Snowglade, an unfathomable distance behind. For all he knew, this small band might well be the only shred of their race that yet lived. "Dad? Uh, Cap'n?" He turned, startled, to find Toby at his elbow. "You're out of ranks, midshipman," he said severely. "Yeah, but I gotta carry this damn thing, and it's 'cause a you." Toby twisted his neck uncomfortably at the cowling that wrapped around his shoulders, snug against his helmet ring. "You'll carry your designated 'quipment into battle," Killeen said stiffly. "This'11 just slow me down!" "It will give us a good view of all the action around and in front of you. Someone has to carry the area-survey eye." Killeen used the connective words of and to, which were absent in ordinary Family speech, to lend distance and Cap'nly reserve. It failed to work with Toby. "You got me saddled with this, right?" "Lieutenant Cermo chooses gear." Toby sneered. "He knew just what you wanted." "Cermo assigns jobs, picks the most able," Killeen said tightly. "I'm proud that he deemed my son capable of such an important job." "Dad, I'll be a slow target with this rig on, crawlin' 'round down there. I'll get pushed back to the second skirmish line." "Damn right. I'll want views from the second line, not the first." "That's not fair! I want--" "You'll get back in rank or else you won't set boot outside," Killeen said sharply. Toby opened his mouth to protest and the Cap'n spat back, ,,Now.r' Toby shrugged elaborately and marched stiffly back to his position in the third left-flank squad. He stood beside Besen, the dark-eyed young woman; Killeen often saw them together these days. True, they served in the same squad, but that probably concealed more than it explained. Killeen hoped the Family had not overheard them and thought TIDES OF LIGHT 41 they were just bantering casually. Somehow, given his inability to conceal his emotions where his son was concerned, he doubted that. As if to confirm this, Besen cocked an eyebrow at Toby. Killeen realized that he and Toby must have been quite obvious to everyone in the large room. He suppressed an irritated grimace and nodded curtly to Cermo. The inspection began. Killeen walked down the ranks, Lieutenants Cermo, Jocelyn, and Shibo at one pace behind. He scanned each crewmember closely. Faces well remembered, faces which had grown healthier with rest and better food. But also faces that had time to see that the old ways of Family fidelity and organization did not suit well the running of a true starship. Faces that doubtless hatched half-thought-through plans to better themselves by bending Family and crew discipline. With the press of deadly necessity gone, the sprouts of individual ambition grew in fertile soil. Would they fare well in battle after such indolence? A host of tiny impressions collected in Killeen's mind. He would digest them later, during his solitary walks on the hull, to form the raw and instinctive material for furthering the efficiency of the ship--if they ever again flew the Argo. Yet the ritual was worthy in and of itself. The Family had added thirty-two newborn on the voyage. Mothers tended the young at the rear of the domed assembly room. Killeen wondered if those children would ever stride the soil of the world far below, proud and free. Or, indeed, of any world at all. It was time. Before the action to come, it would be best to remind them of who they were. He began to read the ancient Family Rites. His Ling Aspect had provided the text from ancient times. The planet-bound Citadels of Snowglade had neglected the spacefaring rites. But here they fitted perfectly. It was a code black and stern, full of duty and tradition and larded throughout with dire warnings of the punishment which would befall any Family member who transgressed it. Many of the arcane passages made no sense to Killeen at all. He read one such without letting the slightest suggestion of a frown of incomprehension cross his brow. "No Family shall countertack or polyintegrate more than two separable genetic indices in any one birthing, using artificial means. Penalty for this is expulsion of both parents and child for the lifetime of the engendered child." 42 Gregory Benford Now what did polyintegrate mean? And how could anyone tinker with the traits of his or her children-to-be? True, Killeen had heard whispered tales of ancient crafts like that. They were buried in the mists of mankind's origins in the Great Times. This passage indirectly vouched for the ancient origin of the Families, which was, he supposed, reassuring. The human vector had been set long ago, and its opposition to the mechs was a truth which emerged from time immemorial. Something about the droning passages, saddled with legalisms and prickly with techterms, caught and held their attention. The Family stood stiffly with solemn, set faces. As Killeen launched into the long, rolling sentences detailing the depredations of the mechs, and the valiant efforts every Family member was expected to take to oppose them, they stirred. A boy in the front row, Loren, had eyes that seemed to fill his face. Tears welled in those eyes and trickled down, unnoticed by the boy. He had a faraway look, perhaps dreaming of classic battles and brave victories that were to be his. In a sudden bitter gust Killeen wondered if these old, lofty sentiments would armor Loren against mech shots. He had seen more than one boy blown to red jelly--or worse, his mind sucked of self, the once-vivid eyes blank and empty. This sudden lurch of emotion did not make him miss a syllable of the reciting. He went on to the finish, projecting the stern moral tones that were right and effective, even though within him doubts fought and sputtered. Now for the added touch: "In furtherance of these high aims I have a new name to bestow. Tradition grants Cap'ns the right to name a fresh-found star system. I have already seized this right. The blazing opportunity before us is Abraham's Star." They cheered. Abraham's legend endured still. "To the crew of a ship falls the time-honored right to name a discovered world. Your council has picked one hallowed and vibrant--New Bishop." He finished and, following tradition, the Family shouted "Yeasay! Yeasay! Yeasay!" and broke into a raucous symphony of howls and calls. A few, thinking of the battle ahead, indulged in rude obscenities. Some were ingeniously impossible, describing acts of unlikely sexual passion between mechs of astounding geometries. Killeen stepped back, his mind coolly distant from the effect he had sought. Humans could not press the attack without height- TIDES OF LIGHT 43 ened adrenaline and hormone-driven zest. Mechs could simply switch on, but humans who would risk their lives needed a powerful cocktail lacing their veins. Killeen realized now that in these last years he had come to think of the Cap'ncy as a welter of endless detail. To be a good shipman meant mastering the countless minute but important elements of lifezone regulation, of pressures and flows, of servos and engines. Only the memories of the Aspects had gotten him and his crew through the blizzard of petty mysteries that allowed life to survive this harshest of all realms. But now he felt returning his older, original sense of what a Cap'n needed. Bold initiative, laced with sober calculation. Ingenuity and quickness. Moral and physical courage, both. Tactful handling of Family who were in ship's terms underlings, but in the full compass of life were the dearest people he would ever know. Those were the crucial qualities, He only hoped he had some of them. So much depended on him, and he had only his memories of Fanny and of Abraham--whose wind-worn face swam before him now, split by a fatherly grin--to guide him. His personal sensory net resounded with pinpricks. Timing was essential now, and he wanted the mech acoustic bugs--if any--to register human zest and celebration, and so be unprepared for what came next. "Cap'n!" Cermo called. As the Family dissolved into chattering knots, Killeen turned to Cermo and from the corner of his eye caught a hint of movement upon the immense perspectives outside. They were moving swift and sure toward the central axis. Fresh energies surged on the intricate disk floor below them. It was as though the activity he glimpsed took place beneath a tossing ocean, and he could catch only a flickering of a vastly larger plan beneath the waves. Oblong forms shot swiftly among bulky pods. Machines whirled on rails, angularities moved like schools of darting fish--yet it all had the appearance of orderly labor, carried out beneath the surging bands of luminescence. Bass notes rolled through the deck. Metal rang. Something felt for purchase on the Argo's outer skin. Killeen switched to his shielded comm frequency and whispered the code: "Hoyea! Hoyea!" He patched a line in from Shibo's control survey. It bloomed in his left eye, a view uphull from the lifezone bubbles. Against 44 Gregory Benford the Argo's burned and nicked hull, those moist, filmy swellings seemed like abnormal growths run wild. From small slits in the opalescent bubbles came quick, darting figures. They shot downward, through the roiling waves of electroluminescence, and into the protecting grooves of the disk. Killeen blinked twice and got a view looking forward. Long, tubular mechs had appeared from somewhere and were moving rapidly toward the airlocks of the Argo. He nodded to himself, seeing only the flexing forms that flew to meet them. Good timing. They would be at the locks in a few moments, undoubtedly sent by the mechmind to take advantage of the momentary human rituals. So the mechs in this station knew something of humans--enough, at least, to recognize them as enemies. That could be useful. Killeen had learned certain patterns of thought from the Mantis, oblique ways of viewing humanity. Mech ways were now more intelligible, though no less hateful. These station mechs were probably following the orders of the Mantis, sent before the Argo lifted from Snowglade. Whatever the intention of the Mantis in sending Argo here, the Family was united on one point--they would destroy whatever agency tried to control them. They had smashed the small mechs aboard Argo immediately after liftoff. At the slightest sign of interference they would attack the station. Some thought the Mantis's plans may have been benign, but they were a minority. Killeen stood amid the fading revelry of the Family, seeing and hearing nothing except the silent drama beyond the hull. "Arm!" he whispered over comm. Ringing clicks answered him. Slender, coiling forms now neared the main and side locks of the Argo. Killeen waited until the first made contact. It wriggled, forming a hoop around the lock door. Killeen saw small borers fork out, bite into Argo's hull. The others had reached their locks, were settled "Fire!" Beside each lock the planted mines exploded. Each made a billowing blue-shot cloud that ripped through the mech bodies, shredding them. Killeen allowed himself a smile. This first blow had gone well, but now there would be lives at risk with every turn of events. He became aware that the assembly room had grown silent, pensive, watching him. He blinked, dispelling the outside visions. Cermo TIDES OF LIGHT 45 stood at his elbow. He breathed in luxuriantly, pierced by the strange pulsing pleasure of being again, after so long, in the thick of action. "Posts!" he shouted. "Form the star!" Chapter NINE Airless, silent, the metallic landscape rose against the distant mottled black like a gleaming promise of perfect order. Watching the view, Killeen thought it amusing that his job was to smash such smug geometric certainty, to bring living chaos. He stood in the control vault, Shibo at his side. This was the first time he had commanded an intricate movement of the Family without actually being there, participating. Family Bishop had a long tradition of Cap'ns who fought and risked and died with their fellow Family. Now, operating from a true ship for the first time in long ages, that was impossible. Only from here could he monitor all the small teams who swarmed over the tower, seeking the mainmind. The shifting scene on the main screen was a direct feed from the all-scanner on Toby's back. Killeen's eyes narrowed at each flicker of fresh movement on the disk plain, letting his own reflexes respond to the images. His hands tightened, unclasped, tightened again. Shibo looked at Killeen shrewdly. "You told Cermo, pick Toby?" "Naysay." "Truly?" She seemed surprised. "I 'spect Cermo chose Toby 'cause he's quick. Sure, some crew'11 see this as pure favor. But if I overruled him, showed any interference for Toby . . ." "I see." "It's a tradeoff. This scanner slows you down, makes you easier to hit. But--" "It gives you a chance to warn him if he's missing something." His mouth twisted with irritation. "Naysay! I was going to say, it puts him in the second skirmish line." "Which is safer." "Course." 46 TIDES OF LIGHT 47 He turned to see Shibo's silent wry smile. He was about to bark a challenge at her when he paused, made himself step out of his Cap'n persona, and found himself making his "um-hmm" of grudging amusement. She understood him perfectly, and when they were alone was unwilling to let him get away with the Cap'n role completely. He was about to kiss her--which was easier for him than speaking--when the screen above shifted. Toby was striding quickly across the disk plain, having trouble finding boot-grip. He was down in one of the myriad open-topped "streets" that crisscrossed the disk, for unfathomable purposes. The tower loomed directly overhead, larger than the eye could take in. What had caught Killeen's attention was Toby's long leap out of the "street," which had protected him so far. He rose to the tower side, applied his magnetic coupler, and was drawn with a harsh clank to the studded tower wall. Two other suited figures joined him. They raced along the wall, letting their boots seize and thrust. A thick-lipped opening appeared over the horizon of the tower's curve. The three dropped down it. Killeen saw that one was Besen, her white teeth the only feature visible inside her helmet amid the yellow sunlit glare. A sizzling report echoed. Something spat microwave bursts at them from a side passage. Low-level mechs always imagined they could kill with mech weapons, never realizing that organic forms could shut out the electromagnetic spectrum and still function quite independently. Killeen was glad he had sent them in with their inboard receivers completely dead, except for the link through Toby's all-scanner. Toby and Besen surged after the bulky mechs and blew neat holes in each. The squad twisted deeply into the tower. They worked without crosstalk, giving the mechs no electromag-tag. A hard yellow glow beckoned down a narrow tunnel and Toby did not hesitate to plunge after it. Killeen drew back, the lines of his face deepening, but he said nothing. Momentarily he turned to tracking the other squads, giving maneuvering orders. The attack was going exceedingly well. The squads flanked and parried and thrust with agile verve. The mechs were inept and uncoordinated, once their initial plan failed. They probably planned to humble Argo with a show of force. These were guard forces, not fighters. 48 Gregory Benford Well ordered, however. I suggest you be careful as the line progresses into the interior. A slow defense can nevertheless draw the swift, unthinking attacker into a trap. This interjection from his Ling Aspect reminded Killeen to order the side squads to attack the comm lines they met. They responded quickly and severed several obvious lines. Killeen worried about the nonobvious ones. His Ling Aspect seized this opportunity to hold forth. You display a tendency toward far too clipped and brief orders, I have noticed. The great ancient generals kept their heads, remember, and did not allow the disorder of battle to affect clarity. For example, a land general of far-ancient days, named Iron Wellington, was directing a grand battle called Waterloo when he saw a fire threaten to break his troops' line. He sent a note which read, "1 see that fire has communicated from the haystack to the roof of the chateau. After they will have fallen in, occupy the ruined walls inside of the garden, particularly if it should be possible for the enemy to pass through the embers to the inside of the house." Graceful, accurat and all written while on horseback under enemy fire, in the midst of a raging military crisis. That should be your aim. Killeen grimaced, and his Arthur Aspect piped in: I cannot but note that the message contains both a future subjunctive and a future perfect construction--remarkably difficult forms even in relaxed circumstances. Arthur was a scientist and lightning calculator from the Late Arcology Era. He was precise, prissy, and invaluable. Killeen pushed away both Aspects. He watched as Toby's squad came coasting into a vast bowl lined with scintillant panels. Killeen recognized this from Aspect-pictures he had seen years before. An old-style trap using crossfiring lasers. "Get out!" he sent on a tightbeam channel. Toby heard him, veered left. Acceleration slammed perspectives into a squashed blur. The screen gave quick glimpses of convoluted conduits, incised slabs of pale orange, tangles of wiring. Bolts snarled around them, ricocheting off curved metallic surfaces. Burnt-gold electrical overloads arced ahead of them along the side shafts. "Mines," Killeen sent. "Seal up." TIDES OF LIGHT 49 Though the fast-moving picture kept plunging down a wide tunnel, Killeen could hear the faint snick of Toby's suit closing all possible current-carrying leaks. Voltages lurked all around them, lying in wait for humans who could scarcely take a simultaneous unshielded Volt and Amp, so delicate were their interiors. Killeen checked with several squads who had entered the tower. They were meeting the same clumsy defenses. The twisting warrens of dense circuitry made it hard to figure the location of the mainmind. No Family had ever entered such a place. Experience could not guide them. Stranger still, there was obvious damage to some passages. A fight had raged here before. The cuts looked fresh, too. His Ling Aspect said: Perhaps this explains the rudimentary resistance we are meeting. "How?" If someone else has taken this station, they might have left it with token forces. "Some rival mechs?" Killeen knew mech cities sometimes fought one another, competition run amok. Maybe the Mantis's reception committee had been knocked off?. Perhaps. We may discover more at the mainmind. Killeen watched the teams move on a 3D projection of the tower. Shibo entered fresh information as the teams reported in. Quickly, blocks of detail filled in the large blank spaces in the tower projection. Killeen thought he saw a pattern in the snaking tunnels. The station's many corridors and shafts did not center on the disk plain. Instead, they necked toward a point high above that, in the northern end of the tower. He sent orders to the teams to vector that way. Then he turned his attention back to Toby's scanner feed. It provided the most complete views, which the Argo's systems immediately integrated into the station 3D map. Toby was plunging down a hexagonal shaft. Besen flew ahead of him. They both moved adroitly in the zero gravity, maneuvering with experience born of daily drill on the Argo. 50 Gregory Benford Ahead was another squad, which had reached the nexus first. They were attaching inputs to a huge blank cube. --Mainmind,-- came a comm signal. "Looks like." --Wiring so can blow it, Cap'n.-- "Yeasay." Toby landed on the bulwark cube, boots thumping. Killeen watched leads attached, holes bored with quick darting laser punches. Mechs appeared nearby, obvious and awkward. They died in bursts of ruby phosphorescence. Killeen frowned. The mechs seemed unusually slow and stupid. Had they simply gotten unused to human combatants? A motion caught his eye. Indices showed a higher radiation count .... even a slow defense can draw a swift, unthinking attacker into a trap . . · "Exit now!" he sent to Toby. Relayed, the order provoked a hurried finish to the mining. "Leave the extra charges!" Killeen shouted. --But they're primed,-- Toby sent. --I gotta--"Even better. Go!" Something appeared at the far end of the shaft. It was big and moved quickly but Killeen's warning had gotten the squads clear. The approaching shape did not have a good angle to shoot. The two squads raced away into an exit tunnel. "Blow those extra charges," Killeen ordered. --But they're just floating,-- Toby answered. --Won't hurt the mainmind.-- "Do it!" The answering percussive punch came rattling through the electromagnetic spectrum. A strange, descending wail cut across the noise. Killeen frowned. The dwindling shriek was like the cry of a dying animal. Mechs never gave such a sound. The big thing must have been caught as it passed the mainmind. Killeen guessed that it was the controlling influence here. Only luck had let the squads escape. But there were still plenty of dangers. Toby's relayed images showed them racing into a tunnel that led straight away from the mainmind. "No," Killeen sent. "Take one that has turns. They'll have ambushes on the fast routes. And the turns will block the blast." In eerie stretched silence he watched the seconds tick on. The TIDES OF LIGHT 51 screen darted and swerved and lurched as Toby made maximum speed in the zero gravity. The boy could windmill his arms and get his feet into position for a land-and-repel with perfect timing. The screen whirled as Toby tumbled in the closed, narrow spaces. This swept twirling spotlights over the mad rush of mechtech that came streaming up from darkness and vanished just as quickly. At last they came to a long tunnel that showed starlight in a distant circle. Toby ram-accelerated toward it. The screen suddenly jerked. "The mainmind's dead," Killeen said. "That was an electromag-tag burst from it as it blew." --Great!-- Besen burst in. Killeen tensed. Toby tumbled soundlessly in the yawning blackness. Ghostly arms reached out nearby, blue and flickering, searching for something to scorch. Further, Killeen knew, there were other presences called Inductances and Resistors and Capacities which played mysterious but perhaps fatal roles in these electro-dynamic corridors. He had learned to use them, but their deep essences eluded the practical programs he had studied. Toby veered. Three squads followed him in a quick dash for the opening. Then the screen showed only swirling stars and the harsh yellow-white of the disk plain. Toby spun and looked behind. From the tower opening came a crumpled form in a shiny suit, drifting with the still-dancing radiance that had almost reached the main party. Killeen watched as the view approached the coasting body. He recognized the backpatch of Waugh, a woman originally of the Family Knight, now a Bishop. The form did not move. It spun in stately revolution, as solemn and uncaring as a planet in its gyre. Toby approached carefully. Within the helmet was shadow. Then Killeen noticed a small dark patch on Waugh's boot, a flaw perhaps struck by a near miss during the attack. It was a small hole, hardly deep enough to break the suit's vacuum seal. But it had allowed a voltage in and was rimmed by a burnished halo. Killeen saw that Waugh's helmet was slightly swollen and distended. He understood then why they could not see into it. Carbon black masked the faceplate. He was grateful for this small fact, because then he could not see inside, where Waugh's head had exploded. Chapter TEN The memory came back to him as he ate the celebratory dinner. Waugh, a good crewwoman he had not known well. She had paid the price for his decisions, and he would never know if somehow the cost could have been less. Fortunately, her genetic material and eggs were preserved by Argo's surgery. We must take measures to ensure that all Family can contribute to future generations' genetic diversity. I advise-- "Shut up!" Killeen muttered. His Arthur Aspect had no sense of time and place and decency and Killeen was not in a mood for his coolly analytical views. He glanced up from his serving of baked savory eggplant and saw that no one had noticed his exclamation, or else were too polite to show it. Ignoring outer manifestations of Aspect conversations was now considered good manners. Argo's soft life was at least making the Family more refined. He could not help reliving the battle, a habit he had picked up through the years on the run on Snowglade. The Family always held a Witnessing if a member was wounded or killed in an attack, and this time there had been Waugh and Leveerbrok, both brought down by electric weapons. So the Witnessing summoned up the mourning, and then the Family broke into smaller families and guests for a meal which put the dead behind them and made muted merriment over the victory. Killeen had seen many such, most celebrating nothing more than escaping another mech ambush or pursuit. It was pleasant to greet this meal as a Cap'n fresh from his first engagement, an intense action swiftly won. "I sure hope next time you saddle somebody else with the scanner," Toby said, passing an aromatic zucchini casserole. Killeen allowed himself a slight smile. "Cermo makes minor staffing decisions," he said curtly. "Oh, come on, Dad," Toby said. "You're frappin' over." 52 TIDES OF LIGHT 53 "I'm what?" "Frapping over," Besen explained, pronouncing the words carefully. "It means dodging." "New lingo for young Turks?" Shibo asked. Toby and Besen looked blank, but the second young guest, Midshipman Loren, said brightly, "Well, guess we sorta have our own way, y'know, talkin' things out." "Turks?" Toby persisted. "Old expression," Shibo said. "The Turks were an old Family who lived vibrantly." This was news to Killeen, who had never heard the term either, but he did not show this. He was fairly sure that if the Turks had been a Family, it must have been long before humankind came to Snowglade. Perhaps they had inhabited the Chandeliers, or even had come from ancient Earth. Shibo had made good use of the years of voyaging, communing often with her Aspects, learning much. Along with tech help, Aspects and even the lesser Faces prattled about their own lost times and traditions. "Yeasay," Killeen said, "the Turks fought hard, ran swift." He saw Shibo give him a skeptical glance but kept on. "They never had a better day than the one you brought off, though." "Yeasay, we blasted 'em," Loren said, eyes bright. "Took those mechs clean," Toby agreed. Besen nodded. "New kind mechs, too." "You noticed," Shibo said approvingly, passing a platter of mustard-laced ship's biscuits. Toby looked insulted. "Why, course we did. Think we can't remember, can't tell a navvy from a Snout?" Besen said mildly, "Those were Snowglade mechs. Why should here have same mechs?" Toby answered, "Mechs're ever'where, that's why." Loren was taller than Toby but thinner, and this gave the steep planes of his face a look of studious care. "Who says?" Toby snorted. "Family lore. Mechs're all over Galactic Center." "Maybe they're adapted for each star," Loren said reasonably. Toby had no answer to this, but Besen pursed her lips and observed, "Mechs could adapt faster on a planet, sure. It's life that has a hard time." "Life?" Toby asked indignantly. "We can zig and zag faster'n any mech ever did." "No," Besen said patiently, "I mean real adapting. Changing the body, stuff like that." 54 Gregory Benford Killeen gave Shibo a veiled look of approval. For midshipmen they knew a lot more than he had at that age. "How were these mechs here?" Toby snorted. "Slow as sundown." Loren said more judiciously, "They seemed disorganized. Couldn't form up right." "Dont think they were fighters," Besen said. "They sure fought enough," Toby said. "I 'member you dodgin' plenty bolts." Killeen leaned forward quizzically. "Besen, why you think they weren't fighters?" She paused, aware that the Cap'n had been letting them pour forth their own ideas, and now suddenly feeling self-conscious. "Well ... they had grapplers, screwjacks, poly-arms. Work 'quipment." "They tried fryin' us," Toby pointed out. Besen held her ground. "Those microwave disks were prob'ly comm gear, not weapons." "How 'bout that thing almost caught us at the mainmind?" Toby pursued. Besen paused refiectively. "I'm not sure." Killeen watched her carefully. Whatever had been lurking near the mainmind had disintegrated when the cluster charges went off. The Family had found only meaningless fragments. There had been chunks of fleshy stuff, but mechs on Snowglade had often used compounds which mimicked the self-repairing chemistry of life. Besen went on, "Don't think we'll savvy out the answer till we meet the mechs who made the station." "C'mon, you're just inventin' boogeymen." Toby chuckled. "I know navvy-class mechs when I see 'em," Besen said. "That's all we saw in the station. The higher-class mech was at the mainmind." "You dunno that," Toby said. "We never got a good look." "Stands to reason." Besen gave Toby an affectionate, bemused look. "Station was already damaged. Prob'ly some mech faction took it from another. We caught 'era before they could build up defenses again, I figure." Killeen watched Toby wrestle with the idea. The boy was bright but he let his enthusiasm cloud his thinking----or replace it. Toby began, "Even if it was a manager mech or somethin', we were faster." TIDES OF LIGHT 55 "We got lucky, is all," Besen said. "Luck?" Toby looked insulted. "We were quick!" "If Cap'n hadn't made us drop everything and run, we'd be mechmeat." Killeen was glad to see Besen not meekly following whatever Toby said. There was in the Family a regrettable tendency of adolescent females to accept their boyfriends' views of the world. The generations of sedentary life in the Citadels had somehow instilled that. The Long Retreat after the Citadel Bishop fell had seemed to erase this, but a scant few years aboard Argo now threatened to bring such customs back. He wanted his midship-women to give no ground to the usual swaggering male self-assurance, to develop their burgeoning ability to lead. In a battlefield crisis, such timidity could prove fatal. Killeen shared the Family's traditional view that females usually made the best Cap'ns. Conventional wisdom held that once women were through their adolescent-romantic phase, and had reared children, their abilities could again come to the fore, especially diplomacy and compromise. They could ripen as mates and executive officers into Cap'ns. But the Family had no time now for such extended, subtle, and probably wasteful methods. He had to encourage independent thinking in everyone, and to hell with the ageold mating dance. "I think the same," Killeen said. Besen brightened. Toby looked surprised, though he quickly covered it by slurping at his cold potato soup. "But Waugh and Leveerbrok might disagree." Besen's face darkened. Killeen instantly regretted being so blunt. He couldn't get the hang of handling young crew. "But you're right. I think they made mistakes." Loren nodded soberly. "Didn't stop, didn't fix up their suits when they took hits." "True," Shibo said emphatically. Killeen caught her veiled glance, which told him that she was coming to his rescue even though she saw what a clumsy lunk he was. "Got laser punctures into circuitry. Didn't slap-patch. Voltage found 'cm." Killeen was still unclear about the difference between Volts, the powerful spirits that inhabited mechs, and Amps, the mysterious sense of quick flow that somehow aided the Volts to seek and move within the world of the machines. Volts embodied intent, and Amps were the runners who carried out those intentions, against the Ohms. He expected he never would fathom such lore. 56 Gregory Benford He had heard the scientific explanation but couldn't keep it straight. Instead, like all the Family, he treated the scientific underpin-ning of his world as a set of colorful spirits and personalities, elementary animations and wills which orchestrated events he could not see. Learning to use them meant boring study of the proper rituals---connecting leads, punching in numbers and commands, arranging wires and knobs and minute chips which induced proper behavior in the entities who inhabited the interior of the Argo's myriad complexity. He sensed living motivations inside dead matter, but imagined that this came from humanity, animating the ancient human tech with fresh force. Mechtech, though, was inherently dead and beyond human understanding. It came from more recent and higher evolution of the galaxy, he knew, but he despised it for what it did to humanity--and for its indifference to the pain and anguish and inexpressible poignancy of what every human felt instinctively and mechs in their remorseless certainties so clearly could not. "Yeasay," Killeen added. "The Volts hid in the shafts. Like mines; the mechs didn't have projectors themselves. Carelessness killed Waugh and Leveerbrok." This pronouncement brought silence and stony, downcast glances to the table. Killeen bit his lip, wishing he could have made the point more smoothly. Better to get it over soon, though, before the experience faded. "So it went," he said cheerfully. "But you three you were fast and sure and damnfine." He raised a glass of alky-laced cider and they all followed suit. There was a traditional toast at every post-Witnessing dinner, and this seemed a good way to break the mood. They murmured assent and Killeen said, "Clean the table, too." They all cast puzzled glances at him. "Didn't Family Knight have such a custom?" he asked Shibo. "Eating all food?" "After a Witnessing, yeasay. It shows confidence in the future, gathering energy for coming battles and victories." Shibo shook her head. "Family Bishop big eaters anyway." "Porkers," Toby put in timidly, "compared with Knights." "Guess it got started in the bad years at Citadel Bishop," Killeen said. "I was small, barely 'member 'cm. Ending the meal was the best---crunchy, salty." Shibo arched an eyebrow at him. "What was?" TIDES OF LIGHT 57 "The food? Crawlers. Insects." They all looked shocked. Shibo said disbelievingly, "You ate?" "Oh, yeasay. Times were when that was all we had." "Ate crawlers?" Toby asked open-mouthed. "Was fair--ate only ones that crawled onto our crops, tryin' eat our own food. Turnabout's fair, yeasay?" To their continuing shocked looks he added, "Had 'em salted, crisped up over the Family fire. In big baskets, mixed in with whatever crop they were tryin' eat themselves." Loren swallowed with difficulty and the others looked down at their plates. "Eat up, now," Killeen said, and could barely suppress his impulse to laugh. Shibo's lips played with a smile and then took a solemn, thin line as she caught on. This bit of foolishness had gotten their minds off Waugh and Leveerbrok. Further, Killeen judged, the midshipcrew would all soon hear of how the Cap'n had eaten crawlers and been glad of it. It did no harm to have stories of the hard oldtimes circulating, and it helped build the tenuous communality that they would surely need. Killeen finished the scraps of fleshy black eggplant and stringy beans on his plate. He said nothing as the others started up smalltalk again, for without his anticipating it, a dark mood had stolen over him. He had enjoyed this meal in the company of his son and friends, but throughout it he had been unable to remain simply the father. He could not shuck off the role of Cap'n merely by shedding his tunic and emblem. Loren and Besen were Toby's friends but they were midshipcrew, too, and a good Cap'n had to seize every chance of training them. Comfortable though they had all gotten during the long voyage, there was no room for easeful life now. The experience of watching his son dodge and dart through murky alien passages had filled Killeen with horror. He had suppressed it then, but now it all came out in a black and foul mood that fed on him even as the others resumed their bantering. They were speculating on what lengths Families might've gone to for gruesome victuals in the past--or themselves, in the future and he knew they were trying to draw him out. But he could not get the images of the assault from his inner eye. To these three midshipcrew, happily joshing one another, the action had been an exciting triumph. To Killeen it had conjured up memories of dozens of battles and all the anguish they brought. 58 Gregory Benford The young had not yet learned that death was not a dramatic outcome of a heroic charge. Instead, it came with a sudden sound and a Family member nearby falling, already crisped or fried or spat by a projectile weapon. They were gone before they knew they'd been hit. And who got hit depended on a thousand factors you could never judge in advance: positions, terrain, speed, color of body armor, vagaries of mech movements and aim, endless details that shifted every moment. So death was random and meaningless--that was what you learned on the field. And all the Witnessing and ceremonial dinners could not erase that penetrating fact. How had his father handled this knowledge? Abraham had never seemed bothered by the losses suffered on the raids he led out of the Citadel. Even the worst moments had not seemed to damp that wry spirit. Yet they must have. That was the difference between him and Abraham, Killeen thought. He had to struggle to keep up the facade of Cap'n. To Abraham there had not been any falsity, Abraham had been the real thing. He saw he had been silent too long, and opened his mouth to rejoin the conversation. Before he could speak, Cermo's signifier beeped from his finger-coder. All at the table heard it and fell silent, knowing that Cermo, who was on watch, would not call unless it was important. Killeen tapped his wrist. "Report?" --Cap'n, there's something happenin' on the planet.-- They all could hear the tension in Cermo's voice. "Another shuttle coming up?" Already a shuttlecraft from the surface of the planet had arrived. The Family had easily overpowered the two mech pilots. The ship had been filled with machined parts. --Nossir, it's--it's--you come see.-- "I'm on my way," K'.'lleen said, getting up. Having to end a meal this way irritated him and he added, "You should sharpen your descriptive powers." The phrase had the right edge of old-style Cap'nly speech, and he felt a certain pleasure in that. --Sorry, Cap'm-- Cermo's small voiee was chagrined. --What it is . . . well, there's some ring around the planet. And it's gettin' brighter.-- Killeen felt a cold apprehension. "It's in orbit?" --Nossir. Looks like it's . . . it's cuttin' through.--"Through what?" --Through the whole damn planet, sir.-- Chapter ELEVEN At first Killeen did not believe that the image on the large screen could be real. "You check for malls?" he asked Cermo. "Aye-aye, sir. I tried "The big man's forehead wrinkled. Cermo labored hard, but to him the complexity of the command boards was a treacherous maze. Shibo gently took over from him, her hands moving with rippling speed over the touch-actuated command pads. After a long moment she said, "Everything checks. That thing's real." Killeen did not want to believe in the glowing circle that passed in a great arc through free space and then buried a third of its circumference in the planet. Without understanding it he knew immediately that this was techwork on a scale he could never have imagined. If mechs did this here, they had blundered into a place of danger beyond his darkest fears. "Magnify," he ordered curtly. He knew he had to treat this without showing alarm. The hoop was three times larger than New Bishop. Its brilliant golden glow dimmed even the crisp glare of Abraham's Star. As the image swelled, Killeen expected to see detail emerge. But as the rim of New Bishop grew and flattened on the screen, the golden ring was no thicker than before, a hard scintillant line scratched across space. Except where it struck the planer's surface. There a swirl of fitful radiance simmered. Killeen saw immediately that the sharp edges of the ring were cutting into the planet. New Bishop's thin blanket of air rolled and rushed about the ring's sharp edge. "Max mag," he said tensely. "Hold on the foot, where it's touching." No, not touching, he saw. Cutting. 59 6O Gregory Benford The bluehot flashes that erupted at the footpoint spoke of vast catastrophe. Clouds of pitted brown boiled up. Tornadoes churned near each foot--thick rotating disks, rimmed by bruised clouds. At the vortex, violence sputtered in angry red jets. Yet even at this magnification the golden hoop was still a precise, scintillating line. On this scale it seemed absolutely straight, the only rigid geometry in a maelstrom of dark storms and rushing energies. Toby and Besen and Loren had followed them to the command vault and now stood against the wall. He felt their presence at his back. "It's moving," Besen whispered, awed. Killeen could barely make out the festering footpoint as it carved its way through a towering mountain range. Its knife-edge brilliance met a cliff of stone and seemed to simply slip through it. Puffs of gray smoke broke all along the cut. Winds sheared the smoke into strands. Then the hoop was slicing through the peak of a high snow-topped mountain, not slowing at all. He peered carefully through the storm. Actual devastation was slight; the constant cloudy agitation and winds gave the impression of fevered movement, but the cause of it all proceeded forward with serene indifference to obstacles. "Back off," he said. Shibo made the screen pull away from the impossibly sharp line. The hoop pressed steadily in toward the center of New Bishop. No longer a perfect circle, it steadily flattened on the side that pushed inward. "Lined up with pole," Shibo said. "Watch--I'll project it." A graphic display appeared alongside the real image. TIDES OF LIGHT 61 Cleaned of clouds, the planet's image shone brightly. The hoop's fiat side was parallel to the axis of New Bishop's rotation. "Not natural," Cermo said. Killeen smothered the impulse to cackle with manic laughter. Not natural[ Why, whatever makes you say that, Lieutenant Cermo? Yet in a way his instincts warred with his intelligence. The hoop shared a planet's smooth curves, its size, its immense uncaring grace. Killeen struggled to conceive of it as something made by design. This was tech beyond imagining. Mechs, he knew, could carve and shape whole mountain ranges into their strange, crackling cities--but this . . . "It's moving toward the poles," Shibo said, her voice a smooth lake that showed no ripples. The hoop glowed brighter and flattened more and more as its inner edge approached the center of New Bishop. Killeen felt suspended, all his hopes and designs dashed to oblivion by this immense simple thing that sailed so blithely through a planet. "Where . . . where'd it come from?" Cermo bit his lip in frustration. "From nowhere, Cap'n, I swear. When I saw it first it was dim, just barely there." "Where?" "It was startin' in on cuttin' the air. Musta come from further out and just ran smack into New Bishop." Killeen did not believe this for a moment. He scowled. Shibo said, "It lit up on impact?" Cermo nodded. "I'd seen it before if it was bright." "So it's drawing its light from what it's doing to the planet," she deduced, her eyes distant. "That's why we didn't see it before." Killeen wondered momentarily how she could remain so abstract while confronting events so huge. His own imagination was numbed. He struggled to retain some grip on events by digressing into detail. "How... how thick is it?" Shibo's glance told him that she had noticed the same strange sharpness. "Smaller than the Argo, I'd judge," she said, her eyes narrowing. "That small," Cermo said distantly, "but it's cutting through all that." Shibo said, "Planet does not split." Cermo nodded. "It's holdin' together. Some places you can see where the thing's cut through rock and left a scar. But the rock closes up behind it." 62 Gregory Benford "Pressure seals scar again," Shibo agreed. "It's no kind knife I ever saw," Killeen said, and instantly regretted making such an empty statement. In the face of a thing like this, the crew had to believe their Cap'n wasn't as dazed as they were. Doubtless, many had already seen the golden hoop from other parts of the ship. It might throw them into blind panic. Killeen's own impulse had been to get away from the thing as fast as possible. That might, indeed, be the smart thing to do. But they had come so far .... Toby asked, "D'you think... maybe it's not like a knife at all. Could be some thing lives off planets? Eats 'era?" The idea was both absurd and also not dismissable, Killeen thought. Reasonableness was no guide here. "If it eats all that rock, howcome it's so thin?" he said with elaborate casualness. Besen laughed merrily and somehow the meaningless joke relaxed the small party. "Why would mechs make it, then?" Toby persisted. Killeen noted ruefully that no one considered for a moment the possibility that humans might have 'factured such a thing. The glittering, jewellike Chandeliers had been the peak of human endeavor, ages ago. The numbing simplicity of this glowing ring immediately spoke of an alien mind at work here, acting through majestic perspectives. The mute indifference of this glowing thing was the final judgment against them all, Killeen thought. Their endless ruminations and longings had invested their destination with such weight, and now this silent slicing of their freshly named world ended all speculation. Fragile humanity could not live on such a vast canvas, the plaything of forces beyond fathoming. Their quest had ended in disaster even before they could set foot on the soil of their new paradise. "Hey, maybe Argo can do somethin' 'bout that thing," Toby said eagerly. Loren joined in. "Yeasay, ask the systems if they can cook up somethin' for that." Killeen had to smile, though he did not take his eyes from the screen. A sixteen-year-old boy knew no constraints, could imagine no problem that he could not meet with the right measure of savvy and sheer boundless bursting energy. And who was he to say no? "Try," he said to Shibo, gesturing with one hand. She worked over the control pads for long moments, lines creasing her face in concentration. Finally she slapped the console TIDES OF LIGHT 63 and shook her head. "No memory. Argo doesn't recognize this thing." Killeen summoned up all his Aspects. They were happy for even momentary attention but only one had any useful idea. This was Grey, a woman from the High Arcology Era. She was a somewhat truncated personality, suffering from sentence-construc ting disability because of a transcription error a century before. She knew scientific and historical lore of her own and earlier times. Her voice was halting and cluttered with purring static, heavily accented with the dust of time. I believe it . . . is what was called theoreticians . . . a "cosmic string." They were known.. biYn Chandelier Age... but only theory... hypothetical objects . I studied these matters in... youth... ' ' ' ' ' "Looks real to me," Killeen muttered to himself. We believed... they were ... made at the very earliest moments... of... universe. You can envision... at that time ... a cooling, expanding mass. It failed ... to be perfectly symmetrical and uniform. Small fluctuations produced... defects in the vacuum state... states of certain elementary particles-- What the hell's that mean? Killeen thought irritably. He was watching the hoop slowly cut through a slate-gray plain. Around him the control vault had fallen into humbed silence. His Arthur Aspect broke in: I believe matters could proceed better if I translated from Grey for you. She is having difficulty. Killeen caught the waspish, haughty air the Aspect sometimes took on when it had been consulted too infrequently for its own tastes. He remembered his father saying to him once, "Aspects smell better if you give 'era some air," and resolved to let them tap into his own visual and other sensory web more often, to stave off cabin fever. He murmured a subvocal phrase to entice the Aspect to go on. Think of ice freezing on the surface of a pond. As it forms there is not quite enough area, perhaps, and so small crinkles and overlaps appear. These ridges of denser ice mark Gregory Benford the boundary between regions which did manage to freeze out smoothly. All the errors, so to speak, are squeezed into a small perimeter. So it was with the early universe. These exotic relics are compacted folds in space, tangles of topology. They have mass, but they are held together primarily by tension. They are like cables woven of warped space-time itself. "So what?" Well, they are extraordinary objects, worthy of awe in their own right. Along their lengths, Grey tells me, there is no impediment to motion. This makes them superconductors! --so they respond strongly to magnetic fields. As well, if they are curved--like this one---they exert tidal forces on matter around them. Only over a short range, however--a few meters. I should imagine that this tidal stretching allows it to exert pressures against solid material and cut through it. "Like a knife?" Indeed--the best knife is the sharpest, and cosmic strings are thinner than a single atom. They can slide between molecular bonds. "So it just slides right through everything," Killeen mused to himself. Yes, but, well--think of what we witness here! A flaw in the continuity of the very laws that govern matter. Nature allows such transgressions small room, and the discontinuity derives a tension from its own wedged-in nature--a stress that communicates along its stretched axis. And so we can see this incomparably slim marvel, because it is bigger than a planet along its length. "So why's this one cutting through New Bishop? It just fall in by accident?" I sincerely doubt that such a valuable object would be simply wandering around. Certainly not at Galactic Center, where entities are sophisticated enough to understand their uses· "Somebody's usin' it? For what?" TIDES OF LIGHT 65 That I do not know. Grey's wispy tones sifted over Arthur's: I heard of astronomers... observed distant strings... but no record... of use. Were born . . . as relativistic objects · . . but slowed down . . . through collisions with . . . galaxies... finally came to rest... here... at Center... When her voice faded Arthur said: I would imagine handling such a mass is a severe technical difficulty. Since it is a perfect superconductor, holding it in a magnetic grip suggests itself. The sure proof of my view, then, would be fluctuating magnetic fields in the region near the outer part of the hoop. Killeen recognized Arthur's usual pattern--explain, predict, then pretend haughty withdrawal until Killeen or somebody else could check the Aspect's prediction. He shrugged. The idea sounded crazy, but it was worth following up. To Shibo he said, "Can Argo analyze the magnetic fields near that thing?" Without answering, Shibo set up the problem. When she thought intensely, Shibo seldom spoke. Toby stepped forward eagerly. "Magnetic fields! Sure, I shoulda thought. That magnetic creature, right? 'Member, back on Snowglade? It told us then--look for the Argo, it said. You think it's maybe followed us here, Dad?" His Ling Aspect spat immediately: This is a grave crisis you face. Do not let crew get out of hand or you will have even greater difficulty. Killeen understood Toby's exuberance, but Ling was right: Discipline was discipline. "Midshipman, you'll kindly remain silent." "Well, yessir, but--" "What was that?" "Uh . . . aye-aye, sir. But if it is the EM--" "You'll stand at attention, mister, against the wall." Killeen saw that Besen and Loren were grinning at their mate's dressing-down, so he added, "All three of you--attention! Until I say otherwise." 66 Gregory Benford He turned his back on them and Shibo was at his elbow. "Argo's detectors report strong fields there. Changing fast, too." "Um-hmm," Killeen murmured noncommittally. He outlined to Cermo and Shibo, and the eavesdropping midshipmen, what Arthur had conjectured. He resorted to simple pictures, describing magnetic fields as stretched bands that seized and pressed. Nothing more was needed; explanations of science were little better than incantations. None of them had a clear notion of how magnetic fields exerted forces on matter, the geometry of currents and potentials such a phenomenon required, or the arcane argot of cross vector products. Magnetic fields were unseen actors in a world unfathomable to humans, much as invisible winds had driven Snowglade's weather and ruffled their hair. Cermo said slowly, "But . . . but what's it for?" Killeen said tersely, "Keep a sharp eye." Cap'ns did not speculate. "Maybe caused those gray, dead zones on the planet." Shibo pointed to the devastated polar regions, which the hoop was now approaching. "Um-hmm," Killeen murmured noncommittally. He felt instinctively that they should not fasten on one idea, but leave themselves open. If New Bishop was not a proper refuge for them, he wanted to be damn sure of that fact before launching them on another voyage to some random target in the sky. Now that he had a moment to recover, even this gargantuan glowing hoop had not completely crushed his hopes that they might scratch out an existence here. "Why's it happening now?" Shibo mused. "Just as we arrive?" Killeen read her thoughts. "Could be this is what the Mantis wanted us for." "Hope not," Shibo said with a sardonic twist of her lips. "We had plenty bad luck already," Cermo said. Shibo studied the board. "I'm getting something else, too." "Where?" "Coming up from near the south pole. Fast signals." "What kind?" "Like a ship." Killeen peered at the screen. The glorious squashed circle had cut slightly farther into the planet. It was still aligned with its flattened face parallel to the rotation. He estimated the inner edge would not reach the planet's axis for several more hours at least. TIDES OF LIGHT 67 As it intruded farther, the hoop had to cut through more and more rock, which probably slowed its progress. Shibo shifted the view, searching the southern polar region. A white dab of light was growing swiftly, coming toward them. It was a dim fleck compared with the brilliant cosmic string. "Coming toward us," she said. "Maybe cargo headed for the station, if they're still carrying out business as usual." He cut himseft short; it did no good to speculate out loud. A crew liked a stony certainty in a Cap'n; he remembered how Cap'n Fanny had let the young lieutenants babble on with their ideas, never voicing her own and never committing herself to any of their speculations. He turned to Cermo. "Sound general quarters. Take up positions to seize this craft wherever it comes in." Cermo saluted smartly and was gone. He could just as easily have hailed the squads of the Family from the control vault, but preferred to go on foot. Killeen smiled at the man's relishing this chance to take action; he shared it. Pirating a mech transport was pure blithe amusement compared with impotently watching the hoop cut into the heart of their world. The three midshipcrew left hurriedly, each taking a last glance at the screen where two mysteries of vastly different order hung, luminous and threatening. Chapter TWELVE Killeen glided silently around the sleek craft, admiring its elegant curves and economy of purpose. Its hull was a crisp ceramo-steel that blended seamlessly into bulging flank engines. The capture had been simple, flawless. The squad that had seized it hovered near both large airlocks in the ship's side. They had waited here in the station's bay, and done nothing more than prevent six small robo mechs from hooking up power leads and command cables to the ship's external sockets. Without these, the craft floated inertly in the loading bay. It was clearly a cargo drone. Killeen was relieved and a little disappointed. They faced no threat from this ship, but they would learn little from it, as well. It is of ancient design. I recall the mechs' using such craft when they transported materials to Snowglade. I believe I could summon up memories of how to operate them, including the difficulties of atmospheric teentry. They were admirably simple. People of times before mine often hijacked them for humanity's purposes. Arthur's pedantic, precise voice continued as Killeen inspected the loading bay. Arthur pointed out standard mechtech. The Aspect was of more use here, where older, high-vacuum teeh seemed to have changed little in the uncounted centuries since humanity had been driven from space altogether. On Snowglade the mechs had adapted faster than humans could follow, making the old Aspects nearly useless. Arthur's growing certainty about their surroundings in this station began to stir optimism in Killeen. Flitters! See there? A squad member, exploring nearby in the station, had fumbled her way through a lock. A large panel drew aside, revealing a TIDES OF LIGHT 69 storehouse of sleek ships similar to the cargo drone they had just seized. These are quick little craft that can reach the surface with ease. I remember them well. We termed them Flitters because they move with darting ease in both atmosphere and deep space. Admirable for avoiding interception. That was before the Arcologies lost control of their orbital factories. Before the mech grip on Snowglade grew so tight. Killeen ordered some fresh squads to inspect the storage bay and estimate the carrying capacity of the Flitters. The Family had explored only a fraction of the station, so it was no surprise that this storage-and-receiving bay had eluded them. Killeen had hoped such a place might turn up; the incoming vessel had simply pointed the way. A signal came on corem from Shibo. --Something's happening with the hoop.-- Killeen quickly made his way through shafts and tunnels to the station's disk surface. He had to juggle his elation at finding shuttle ships which could take parties to the planet surface, against the unyielding fact that something vast was at work on New Bishop. The vision that confronted him was mystifying. The hoop had nearly reached the polar axis, he saw. But it was not moving inward now. Instead, it seemed to turn as he watched. Its inward edge, razor-sharp and now ruler-straight, was cutting around the planer's axis of rotation. In a simulation provided by Shibo he saw the hoop spinning about its flattened edge. STATION 70 Gregory Benford --It slowed its approach to the axis,-- Shibo sent. ---Then started revolving.-- "Looks like getting faster," Killeen said. A pause. --Yeasay . ·· the magnetic fields are stronger now, too.-- "Look, it's slicing around the axis." --Like cutting the core from an apple.--"Revolving ··." --Yeasay. Picking up speed.-As he watched, the hoop revolved completely around the axis of New Bishop. The golden glow brightened further as if the thing was gaining energy. "Pretty damn fast," Killeen said uselessly, wrestling to see what purpose such gigantic movements could have. The simulation grew more detailed as Shibo's uncanny sympa- thy with Argo's computers brought up more information. He said quizzically, "That dashed line further out--" --That's this station. We're clear of the string,-- Shibo sent. "More like a cosmic ring," he mused. Wedcling band, he thought. Getting married to a planet . . ·"It hitting anything?" --Naysay. Nothing's orbiting near it.--"Looks like somethin' in high polar orbits." He had picked up some of the jargon from his Aspects but still had trouble with two-dimensional pictures like this simulation. --That's small stuff. Too far away to tell.--"Much around the middle?" ---The equator? More small things. And a funny signal. Looks very large one moment, then a little later it reads as small.--"Where?" --Close in. Just skims above the atmosphere, looks like.--"Sounds like mechtech. We've poked our hands into a beehive. Damn!" --There's more. I've been scanning New Bishop. Picking up faint signals that seem human-signified.-- "People?" Killeen felt a spurt of elemental joy. A human presence in this strange enormity . ·· "Great! Maybe we can still live here." --I can't tell what the signals say. Might be suit comm amped way up. Like somebody talkin' to a crowd.-- "Try getting a fix on it." --Yeasay, lover.-- She added a playful laugh and he realized he was being too brusque and Cap'nly. TIDES OF LIGHT 71 "You can get even in bed tonight." ---That an order?-- "You can give the orders." --Even better.-He laughed and turned back to the spectacle. His mind skipped with agitated awe. It had been sheer bravado, he thought, to name this sun Abraham's Star. A tribute to his father, yes, and with a sudden wrenching sadness he wished desperately that he could again talk to Abraham. It seemed he had never had enough time to learn from his father, never enough to tap that unpretentious certainty that Abraham had worn like a second skin. He recalled that weathered yet mirthful face, its casual broad smile and warm eyes. Abraham had known the value of simple times, of quiet days spent doing rough work with his hands, or just strolling through the ample green fields that ringed the Citadel. But Abraham had not been born into a simple time, and so he had come to be a master of the canny arts humans needed. Killeen had absorbed from him the savvy to survive when they raided mech larders, but that was not what he remembered best. The wry, weary face, with its perpetual promise of love and help, the look that fathers gave their sons when they glimpsed a fraction of themselves in their heirs--that had stayed with Killeen through years of blood and fear that had washed away most of the Citadel's soft images. He could not recall his mother nearly as well, perhaps because she had died when he was quite young. And what would Abraham say, now that his son had named a star for him that was a caldron of vast forces, beside which humanity was a mere fleck, a nuisance? Some promised land! Killeen grimaced. The hoop had finished its first revolution and begun the second, hastening. Its inner edge did not lie exactly along New Bishop's axis but stood a tiny fraction out from it. As Killeen watched, the cosmic ring finished its second passage, revolving with ever-gathering speed. The hoop seemed like a part in some colossal engine, spinning to unknown purpose. It glowed with a high, prickly sheen as fresh impulses shot through it--amber, frosted blue, burnt orange--all smearing and thinning into the rich, brimming honey gold. --I'm picking up a whirring in the magnetic fields,-- Shibo sent. His Arthur Aspect immediately observed: 72 Gregory Benford That is the inductive signal from the cosmic string's revolution. It is acting like a coil of wire in a giant motor. "What for?" Killeen dexnanded, his throat tight. Without ever having set foot on it, he felt that New Bishop was his, the Family's, and not some plaything in a grotesquely gargantuan contraption. He called up his Grey Aspect. I cannot ... understand. Clearly it moves ... to the beck... of some unseen hand... I have never heard... of mechs working on such a scale . . . nor of them using a cosmic string... To be sure... strings were supposed... in human theory... to be quite rare. They should move... at very near the speed of light. This one must have ... collided with the many stars ... and clouds ... slowing it. Someone captured it ... trapped with magnetic fields. Arthur broke in: A truly difficult task, of course, beyond the scope of things human--but not, in principle, impossible. It merely demands the manipulation of magnetic field gradients on a scale unknown-- "What's your point?" Killeen demanded. Though the Aspect talk streamed through his mind blindingly fast, he had no patience for the smug, arched-eyebrow tone of Arthur's little lectures. Equations fluttered in his left eye. They were leakage from Arthur; or maybe the Aspect thought much mumbo jumbo would impress him. Killeen grimaced. The Aspect had now assimilated Grey's memories and was working with them. Grey's dusty presence faded as Arthur continued crisply: Simply that the cosmic string is clearly employed here in some sort of civil-engineering sense. Shibo detects the strong inductive electromagnetic fields generated by its revolving, but surely this cannot be the purpose. No, it is a side effect. "Why slice in when the cut seals up right away?" Indeed. A puzzle, surely. Still, I can admire this object for its beauty alone. Grey tells me that they ascribed the very formation of the galaxies, and even whole clusters of galaxies, to immense cosmic strings, at the very dawn of our TIDES OF EIGHT 73 universe. Rings were once truly, cosmologically huge. Galaxies formed from the turbulence of their passing, like whorls behind a watercraft. As time waxed on, cosmic strings twisted on themselves, breaking where they intersected. Coiled strings did this repeatedly, proliferating into many lopped-off loops---such as this magnificent fossil, apparently. "Look, what's that thing doing?" Somewhat miffed, Arthur said coolly: We will have to deduce its function from its form, obviously. Note that the absolutely straight inner edge of the hoop stops short of exactly lying along the planet's axis. This cannot be a mistake, not with engineers of this ability. Clearly this offset is intended. The hoop revolved faster and faster. Through Shibo's comm line he could hear the distant whurnp-whump-whump of magnetic detectors in the control vault. "Why line up along the poles?" Killeen persisted. I would venture to suppose that this quick revolution evokes a pressure all around the polar axis. The faster the string revolves, the more smoothly distributed is this pressure. It slices free the rock close to the axis. This liberates the inner core cylinder it has carved away, frees it from the planetary mass farther out. The results of this I cannot see, however. "HumphY' Killeen snorted in exasperation. "Let me know when you have an idea." Chapter THIRTEEN He returned to the labyrinth of corridors within the station's disk. Over comm he summoned two more squads to explore the Flitters. They met him at the bay and he gave instructions for trying to revive the craft. The Family might need to flee soon. How they could get past the revolving hoop to reach New Bishop, though, he had no idea. Maybe the cosmic string would go away. Maybe it would stop. All he could do was be sure the Family had the capability to move swiftly and then pray that some opportunity came from that. Around him midshipmen and other crew hurried, searching for the right cables, calling raucously on the comm lines for input from the Argo's ancient computer memory. Commandeering mechtech was always chancy, dangerous business. Killeen saw that the first squad had breached the incoming Flitter's hold. They were prying forth crates. No time to see what these held; he ordered the space cleared in case they should need it. He was uncomfortably aware that they had taken the station at a particularly lucky moment. Some vast experiment was going on around New Bishop, and they had sneaked in while attention was focused on that. Whatever called the tune in this star system was distracted. But for how long? Killeen fell to helping one work gang unload cargo. He enjoyed the heft of real labor, using his hands, and it cleared his mind for some unsettling questions. Had the course settings of Argo somehow taken this cosmic string into account? He remembered that the Mantis, years ago, had conferred with the recently revived intelligences buried in Argo--human-programmed machine minds of undoubted loyalty to humankind. Had the Mantis set this course for Argo, knowing that they would arrive when the golden hoop was at work? It seemed fantastic, so specific a prediction at such a range, like describing the clouds over a particular mountaintop five years 74 TIDES OF LIGHT 75 hence--but not, he supposed, truly impossible. Such ability, if real, simply underlined again the unreachable heights of machine intelligence. Killeen accepted this without a second thought; he had never known a time when the predominance of mechminds was not obvious. Killeen thrust speculations aside. Events rewarded the prepared, and he intended to act. "Come on," he called to one of the newly arrived squads. "These ships--try figurin' them out." He led them toward the Flitter which had just arrived. The squad unloading it had been forced to rejack the ship into the power cables from the station in order to get the cargo-hold doors to open. "Cap'n, put me in charge," Jocelyn said at his elbow. "I'll get this one up'n runnin'." About her eyes there was a concentrated look of unbending discipline. She was one officer he could rely on to do a job on time and without error. Lean and fit, the Argo years had not softened her. She was trouble only when she got to talking with the others. "Good," he said. "I want as many Flitters running as we can manage." "Enough so can carry all the Family?" she asked. "Yeasay." She had already guessed his intention. £hey were too exposed here. The station was some sort of shipping nexus in an economic scheme he could not imagine, but he knew that whatever truly ran the station would not long tolerate them. Their victory over the mech attendants had been exhilarating but too easy. The true governing intelligence was elsewhere. As if to confirm this, Shibo broke in on comm. --I'm picking up another ship coming at us. Moving fast. It's a lot bigger, too.-- "Time to pay the piper," Killeen said, repeating a mysterious phrase his long-dead mother had used. The last musician had vanished from the Family a century ago. Jocelyn had heard the comm on overlap circuit. "Think it's a boarding party, Cap'n?" she asked sharply. "Um-hmm," Killeen said. He did not like being prompted by crew, especially when they were right. "We can take them right here, when they come into the bay," she said. He shook his head. "They won't be that dumb, whoever they are. Even ordinary defensive mechs, barely better than navvys, would see that." "We can catch 'em as they come in over the disk," she persisted. 76 Gregory Benford "If they come that way. Suppose they dock up at the end towers?" "There?" She frowned. "We haven't got out there yet. Hadn't thought ... But what'd be the point, puttin' a dock that far away?" "Boardin' when there's trouble down here, that's why," Kil-leen said irritably. He disliked discussing tactics with crew, even officers, because they kept him from clearing his mind of all extraneous ideas. He needed to concentrate, decide on the best odds in the battle he knew was coming. There could be no other meaning to another, larger ship coming along the same trajectory that the Flitter had followed. "Got that first craft up and running?" he asked. "Uh--" Jocelyn touched her left temple and conferred with her squads over comm. "Yeasay, Cap'n. The other Flitters will take a while. Y'know--rev up, check out, things like that." "But the first one?" "It's ready." "Good. Let's move it out from the station." Jocelyn blinked, surprised. "Uh, why?" Killeen gave her a mirthless smile. "Just do it." "I don't--" "Do it, Lieutenant." "Yessir!" Killeen made his way up through the open cargo hold of the Flitter just as the doors began to close behind him. He wanted to get a full view of the station, and this was a quick way. It would be a while-he checked with Shibo and got an exact figure, 1.68 hours--before the large craft could arrive. He wanted to see what he could use for maneuver, what the station could do as a defensive fortification. The immense crackling energies that worked over the disk surface would presumably not hinder the humans as they moved and fired at the incoming antagonist, since they had not reacted to the Argo as it approached. But he could be sure of nothing. He wormed his way through narrow dark passages and soon he was in the cramped control room, a geometrically precise cylinder densely rimmed with electronic gear. Jocelyn was floating beside some complex mechtech. "I've just 'bout got it revved up, Cap'n," she began. Then something abruptly shifted. Killeen could feel ratcheting signals course through his own sensory net. TIDES OF LIGHT 77 The Flitter moved under him. "What--?" Jocelyn's eyes widened. "I--I dunno. This ship's movin'--but I didn't start it." Killeen sprang to the end of the long cylinder. It was transparent and showed the wide loading bay beyond ... which was drifting silently away. "We're pulling out." Jocelyn cried, "But I didn't--" "I know. Something else is." The loading bay coasted away and he saw that they were backing out the entrance tube. The Flitter buzzed and clicked under them, finding its head. Killeen switched to general comm. "Unjack all Flitters!" Faint confirming replies came back. "What's doing this?" Jocelyn asked, punching in commands on her wrist module. They had no effect. "That big ship coming toward us. It's overriden our work." "Maybe we can get out." Jocelyn tried to open the cargo-bay doors. No response. "We're trapped," Killeen said. His mind raced through possibilities. Did the approaching ship know humans were inside here? There must be an emergency exit from this craft, something manually activated. The design of the Flitter was strange, seeming to follow no pattern of bilateral symmetry even though the exterior features and hull did. He would have to explore it carefully and see what resources they could marshal. Whatever was coming would probably unlock the Flitter to see what sort of vermin it had caught inside. He had a quick image of himself and Jocelyn being plucked forth and held up to the light by something immense and terrible. Jocelyn gazed with a pale, stricken expression out the viewport. They were out of the bay now and the Flitter had made a powered turn. Now it accelerated steadily away from the station, which turned in luminous silvery glory below them. Jocelyn gritted her teeth but did not give way to excitement. She was a good officer. Killeen knew she thought she should rightfully be Cap'n. Women had usually led the Family, and Jocelyn had been Cap'n Fanny's best lieutenant. But her normally brisk voice shook slightly as she turned to him. "Why's . . . why's it want this Flitter?" "We'll find out," Killeen said. PART TWO -- STARSWARMER ONE Clinking clacking jittering, Quath strode the slashed land. A final hill loomed between her and the Syphon. Quath articulated widely, legs grating, yawning--and surged over the apex. A stone outcrop shattered against her underbelly and ground away with a brittle shriek. Quath tuned out the wail of tearing metal, even as she felt the alloy rip. A storage vat popped, the sulfuric mix gurgling out. She peered ahead. There, blooming skyward in golden plumes, would grow the Syphon. came a burst in Nimfur'thon's sweet-sour tongue. Quath spat in reply, though hissing with warm friendship to take the sting from her jibe. To call anyone one-legged was a deep insult within the elaborate status-conventions. But the image of anything hopping about on one pod was also funny enough to be a joke among friends. Nimfur'thon sent. Quath rumbled on, edging closer to the place where the Syphon would come. Already clouds writhed red and tortured overhead. The golden carving line had already passed once within 79 80 Gregory Benford view. Soon it would reappear, casting stark shadows. It could sear if Quath and Nimfur'thon got too close. When she and Nimfur'thon had boasted and challenged each other to come out here they had both been brave beyond question. Now Quath felt timid strains lacing her speech, fed from her subminds. Those were always cautious. They demanded incessant consultation. They made basso doubt and hesitation ride out beneath her carrier wave. She hated how these unwanted clues to her inner nature slipped through her filters, making her easy to read. Nimfur'thon said confidently, Quath stopped to measure her position, using fixes on two nearby peaks. No moons circled this world; for easy navigation, she sighted on the high station captured from the mechs by her brood. This glimmering spoil of warfare pleased Quath's subminds, a sign of their thundering success on this world. They had deftly gutted the mech-station superintendents, the Horde of Podia descending with complete surprise and zestful courage. Quath was proud to be part of such a daring thrust into an inner meeh province. Quath surged downhill---clanking, jingling, ringing--as her pods found footing on skittering stones. She arrowed on Nimfur'thon's peeping redness. Calmly, letting no color into her warble, she said, Quath's mind clogged for an instant as she sensed a servo whine hotly--eeeeeeii--in a forepod. She thought of the Tukar'ramin safely working in the Hive, beyond the brimming ridgeline. She and Nimfur'thon should be there, celebrating with the rest of the Hive's brood. Quath had tramped these hills many days with Nimfur'thon as they labored together. They had struggled with the fluxtube cannisters. Nimfur'thon had splintered a pod bone when a bulkhead tipped over. She had been unable to walk without agony until Quath fetched an artificial replacement. Nimfur'thon's new pod shaft worked better than her natural organic one, as usual. Quath envied Nimfur'thon the fresh pod, making her faster; she had no natural pods left at all. Nimfur'thon's TIDES OF LIGHT 81 long, prickly body gleamed with purpose, nearly all of it covered in metallic cowlings. The Hive had seen cause to outfit both Quath and Nimfur'thon with the latest in advanced cybertech, whole subsystems of handsomely self-powered organs and limbs and antennae. They were honored to be so chosen, but that did not leach from them the free high spirits of the young. Nimfur'thon sent in sharp chatter. In parallel she lifted a singsong, I, we have! . . , I, we hat;e! on a sour sideband of her carrier, taunting. Quath's bravado rang false. Like all her ground-burrowing race, she was terrified of heights. And even more of flying. Her subminds pealed their alarm. She mustered all her courage. With a lurch Quath birthed a rosy egg of flame beneath her. She jetted up a granite-flecked cliff face. All through Nimfur'thon's chiding Quath had been planning, vectoring. Now, expending all her reserve in one spurt, Quath arced up the stony wall and--fuel guttering out in black fog, rockets choking down--she serab- bled at the boulders of the peak. Clutched. Teetered on the brink. Fanned the blue air----and caught. --Jitjitjit-eeeee--screamed a linkage, but Quath scrambled to safety, feeling the safety-warmth as her center of gravity slid into snug position above solid ground. Her hot fear changed to pride. Quath barked. Nimfur'thon was a squat disk on the plain below, Quath felt suddenly exposed on this high point. She spied sheets of phosphorescence hanging in the air--near, chillingly near. Nimfur'thon's rippling signal now betrayed a thin thread of doubt. 82 Gregory Benford Quath cried. Yellow steam gouted from far hills. Mudworked buildings erescented that ridgeline, temporary housings for the fluxtube formers. Quath scrambled downslope, sending boulders clattering with her bumpers. --Nimfur'thon squirted a vectored grid image--- Quath gave a heaving grunt as she geared up in haste. Nimfur'thon called boisterously, Quath ignored these repeated justifications and focused on the skittering gang of rocks that herded before her, racing and leaping downhill. No moment to be buried in the embrace of pebbles, no. She skirted a ledge, made a grinding controlled slide Quath turned and crosshaired Nimfur'thon on the plain. Dots jiggled about her graywhite disk. Nimfur'thon fired flame into the dots. They blackened and tumbled. Quath felt real fear. They had vanquished the main forces, but vagrant mechs still roamed the hills. Quath lurched at full gear down a narrow ravine. Nimfur'thon cried. Chuffing, clenching, she jounced down the steep cleft. TIDES OF LIGHT 83 The sky crinkled. Golden wealth spun toward them. The sky shattered. Quath skidded to a stop, tucked in pods, and snick!--clapped fast her ports and shields. Bushing air sang an ionized blue. From beyond the low hills a golden wall advanced. The glowing line had passed to the north as its revolutions increased. The grand Cosmic Circle revolved faster, its beats making a blur. The spinup had formed a steady cutting pressure. Now the wall of gold moved outward from the pole, a nearly perfect cylinder that stood and pointed through the sky. A nearby flux station sent forth its strumning magnetic whorls, which seized the passing distant string and flung it on its way. Thousands of similar stations all tugged and pushed the spinally, rushing line on its path around the planer's pole. This tube of dancing light, the Syphon, bled color into the bruised sky, fed ripening pink to red to orange. Wind howled and clutched at Quath's rim, thin fingers to tip her over. Quath tuned frantically to the brood's channel, to call out. Instead she was flooded by the brood's view from the far ridgeline. The fluxtube grew straight and true from the skirt of hills. It bit the ceiling of clouds, boiling them away in a purple flash. Dark mottlings shot up, up--in an instant heat had cleared the ivory clouds. Now the black of vacuum appeared, a spot forming high above, a target coming into being as the arrow shot through it. Stars winked new. The upper link was forged as the tube opened on the clean vacuum of space. Quath watched writhing amber and gray motes climb, her eyes smarting, awed. The brood sent forth a chorus of applause, popping and frizzing song. *Complete!* came the Tukar'ramin's warm signal. Now the Syphon hummed with new life deep in the rock. The tube walls kept back the pressing solid rock on all sides--except at the core. There immense pressures forced more metal into the 84 Gregory Benford tube with each revolution. Vast stresses fought along the tube walls. The strumming tube gnawed, burning a cylinder of stone free of its mother world. The top faced vacuum, while below liberated pressures pushed the freed rock upward. *Flowing is,* the mellow, unhurried voice of the Tukar'ramin came and the fluxtube suddenly filled. Pearly, transparent walls of force dulled to gray. A plug of rock was streaming out. Quath called, in the roaring, pelting gale. The wind's pebbled teeth clattered on her skin. A rolling blast burst over the hills, The fluxtube brightened. The cylinder filled, gold to red to white. --And out it spurted. Their lance had now struck to the treasure of this world. The tube throat was artfully shaped, fattening slightly as the whitehot metal finneled up. The gusher of molten metal rushed from the vast core pressures into the void of space. Riches squirted up and out, fleeing the groaning weight. Quath squinted. The fluxtube walls' glow hurt her many eyes. She submerged in the flood of the Tukar'ramin's view. Delicate streamers of green and amber danced--precious metals, the only hoard this wretched world boasted. The Tukar'ramin's view tilted, following a black fleck of impurity up the glowing pipeline, starward, into sucking void, high beyond air's clutching. There, flexing magnetic fields peeled away streamers, finding orbits for the molten pap. The yellowing, shuddering fluid, free of gravity's strangle, shot out into the chill. Fieturned to the spaces it once knew, the metal coldformed, mottled, its skin crusted brown with impurities. The birthing thread creaked and groaned in places as it unspooled. It fractured in spots, yet kept smoothly gliding along its gentle orbit. Cooling, it grayed. Graying, the threads wove. Dazed, she fixed on Nimfur'thon. But the signal cut off. She sent a burst to the Hive through a haze of noise. An answering tone came, and the brood view at once tilted back down the glowing strand of metal, veering into the slumped hills. TIDES OF LIGHT 85 A hurricane wind had flushed clear the air. The eerie light of the core metal dappled the plain with shadows. But something wavered-- The tube. It twisted, hummed, curled into a helix, straight- ened again. Light surged the walls. A bulge formed. Grew. Quath watched the image, awash in it. The fattening fluxtube rippled. Flexed. And looped suddenly, faster than the eye could follow. Out, across the plain. Its metal soup escaped. A blinding white ball spilled over, splintering rocks, spreading. The gray pancake of Nimfur'thon crouched in a shallow draw. Flock above her singed where the bubbling liquid touched. The tide hesitated and then lapped over, blackening, blackening, blackening everything. Now the images came too fast to comprehend. The legs jerking. A ripping scream. Footpads melting where they touched bubbling white. Nimfur'thon turning, her pods splintering. Skin popping open. Guts pouring out--to flame into brown smoke. Nimfur'thon's walking pods melted slowly into the ooze. Her manipulating pods clutched frantically at the sky, as if to pull herself up. Orange plumes cracked the upper bulkhead. Armpods beat at the flames in spasms. Yellow tongues ate. A bulkhead blew open. Gobbets spattered. This was the way Quath would remember Nimfur'thon. The vision seared away all other memories. For what seemed a long time Quath could see nothing but this licking moment of death. Her opticals registered other inputs, but her mind rejected them. She stood frozen. Silent. She began to tremble. Chapter TWO The Syphon guttered out. Colossal magnetic knots crimped the flow. The glowing wall of pressure became again the lone cosmic string, its golden razor beauty hanging at the poles of the planet. A calm returned. Above, a dark tangle of coldhardened core metal orbited. Forms moved among this newly grown maze, polishing, cutting, making vast works. The helical instability was diagnosed. There was indeed sign of Nought interference. Labor parties crossed the plain toward the fluxworks. They carried Nimfur'thon's remains, sectioned, back to the Hive. Few spoke to Quath, not because they considered her shamed--in-spection of Nimfur'thon's tracer log showed the risk was her own--but rather because they were busy restoring the fluxtube projectors, which had fused to slag. As the teams labored, Quath sloughed back to the Hive. Her joints and seams ached from pinprick damage. Dannfvver, assistant in training to the Tukar'ramin, sent beeping questions during Quath's march, asking details of how the two had maneuvered so close, and--from supple dartings of phrases--sensed the cloud that now descended over Quath. There followed a rest period which Quath tried to embrace. She failed. She felt in the warren walls the strumming of motion from other multipodia, who did not rest. She listened to the urgent, fever-shot data that would not let her sleep. The looping instability was a setback, throwing off their schedule. Legions of their fellow strandsharers orbited far in space beyond the Cosmic Circle. They awaited the gouts of metal to begin their weave. The pace in the Hive must quicken, then. Finally she silenced her subminds' irksome voices. She fell into a slumber gratefully, legs folded close and tight in the slick webbing; for something dark pursed her. Quath woke panting, pods tangled, the speckling of her tra- 86 TIDES OF LIGHT 87 cheae bulging red, yellow, red again in hasty rhythm. A buzzing call for her echoed through the groined alcove. Quath answered and found a summons from Dannfvver. She dismounted anxiously. Her mind was a snarled maze. Her hydraulics knotted and filled with a pressing ache. Hastily she smeared a vomit drop on an acid spore. This eaten, Quath hobbled forth, favoring one leg which had splintered a knee. She limped through vaults astir with work. A pentapod hailed, but otherwise she was ignored. This was nothing new, and in fact was what Quath desired this day. The weight that had descended upon her did not welcome company. droned Danni'vver at the entrance to the central chasm. --Dannfvver consulted her slate, rather than look directly at Quath- Danni'vver flicked open a port in her barnacled hide. Moistly she studied Quath for a long moment and said, Quath felt the spaces within her suddenly burst. Fear flooded out. Awe squeezed her spiracles shut until the air wheezed through tight slits. Embarrassed, she was sure Dannfvver would notice. The wall parted with a soft rumble that covered Quath's rasping breath. Quath teetered forward on stiffening limbs. She knew she would be seen for what she was. *Terror pins you.* The shimmering thought came as she gazed up, tilting to register the height. A vast bulk moved in the webs. Moist beads drifted in a tingling cloud. Massive arched stoneworks gave the hushed air a pressing weight. Quath began, *Do not attempt to state your inner self. I see.* Vibrant light played in the Tukar'ramin's body, which spanned the upper chasm. Quath had never been alone with such an 88 Gregory Benford august being. She struggled to take it all in. The bulbous presence bristled with uncountable legs. She felt a probing. Fine wires laced through the muddy inside of her. She dully sensed a phantasm dancing, spinning--and then gone, evaporated. *It is not Nimfur'thon's death that infests you.* The words rang cold though they floated awash and welcoming in Tukar'ramin's warm sea. *Cease. The weight you carry must be lifted by degrees. Immersion in our Path will help.* *No myriapod can trace more than a branch or two of the Path, Quath'jutt'kkal'thon. Do not add arrogance to your burden.* The pressing fear welled up again and Quath sucked in breath to cry out. *I see it. Know it. But you must journey through that mossing.* *The Factotum vill show you the Chronicle to a depth you have not seen. Explore it. See the sveep of us. This will restore you. * Quath left, stumbling on numbed pods, spiracles sucking and bristling in agitation. Chapter THREE Within the Chronicle, time engulfed Quath. The Factotum--a dry, fussy sort had left her moored in a cloying mesh that reeked of use by many bipodia. This place was usually used for the elementary education of the very young, the slow-witted. Quath could barely remember that phase. She had been totally natural, then, with no machine-augmented capacity. Weak, soft, dumb. She had memorized the Verities of the Chronicle, of course. Now it all felt useless to her. She had lost her faith. So now she was back here. Among the smells of youth. Hel-meted, pinpricked in all her senses. And before her gaze the vast story opened. She knew the outlines, had learned this lore without ever truly thinking about it. Images of antiquity flitted by. For the ancient multipodia life was uncaring, a sweet gambol. Even myriapodia lounged amid luxuriant sticky strands. They basked, pap-gorged. Yet in time the race spread over the homeworld. The sciences and philosophies of those distant times were numbed by the pervading slackness. The podia had not always been this way. In early drawings fierce, long-extinct animals took the pincer in their throats, struggled mightily, went still. Lazy though they had been, the ancients had cleared their world of such vermin. Unchallenged, the race lounged. But their parent star had arced into the inner precincts of the Galactic Center. Mechs began to foray into the realm of the podia. The enormity of mech purpose became clear. Only by reproducing at a fevered pace could the podia match the mechs' expansive verve. Their slit-eyed spirit revived. After that came scientific discoveries that made sense of all things. What is your concern? The Factotum was ever alert, feeding Quath a torrent of data, all encoded in hormonal tangs and filigrees. 89 90 Gregory Benford You would like some educational facet of the Chronicle? Quath was in a vagrant mood. Her mind skittered on the surface of a teardrop that shimmered like a planet, surface tension tugging her to skate on its icy sheen. She braced herself as finely orchestrated scents began singing "Harnessing the Collapsed Stars." The introduction quickly shuffled through conventional lore. Suns' deep fires inevitably ebbed. The nearly burntout stars im-ploded, their pyre a flash seen across the galaxy. The smaller ones left cores of pure neutrons. Spinning, their polar caps spitting out particles, they beamed frantic searchlights, pulsing steadily: galactic lighthouses. A useful source of energy. Once the spinning slowed, podia could approach. Teams of strandsharers blocked the circling streams of particles, dammed the energy, silencing the pulsar, converting it to useful purposes. They had found that mechs were drawn to pulsars, not only for their wealth of energy but for gargantuan scientific experiments. The purpose of these elaborate works, carried out above the poles of pulsars as they gushed electron-positron plasmas, remained unknown. Mechs had stimulated suns to supernova throughout the zone surrounding Galactic Center--apparently, to generate pulsars. By laying traps for mech squadrons in near pulsars, the podia had enjoyed their first military successes. Without warning, terrible fear welled up. Quath met it for the first time in the images swimming before her. A nebula shimmered with the delicate pink of birthing stars. Nearer, a pulsar flickered, gravestone for a vanquished sun. Across the thin sheet of light oozed a dustcloud, blotting the nebular face--a precise image of the death that awaited all the podia, all beings, everything. Nimfur'thon first singed brown and then blackening, her flesh crisp and brittle, cracking away. Nimfur'thon was nothing now, gone. Quath felt sadness for her strandsharer, for the spirit that had quadded simply with her in the Hive warrens. But that sadness was the mere skin of the beast that slouched below, the thing that Quath could not voice to herself until this moment, as the dustlanes blotted the nebula's fair glimmering. Dust. Darkness. All-swallowing death. Quath felt a chill of dread, not for Nimfur'thon but for herself. TIDES OF LIGHT 91 Quath pressed for the Factotum. Yes? Your instruction is not complete- The usual history was there, in abundance. How the ages-long war with the mechs began. How the race had seen the challenge. How the highest of all the podia, the Illuminates, understood what the landscape of science had implied: the holy cosmic view. But not all agreed. Dissenters called the Interlopers opposed the Synthesis. Debate raged. Finally, all disagreement was banished, liberating the energies of the race. Then, knowing the truth, the race went on to--- Quath clicked off this standard stuff. Yes? That is not customarily requested. Was there a hesitation? Well. I suppose . . . A gloss of more history. Dates, places, facts--planets and aeons, now all faded. Then, plunging on, Quath was suddenly in the midst of the Interloper vision, as quoted in their texts. The death of the individual was a fact, they said, brute and unavoidable. There was no rebirth for each of the podia. There was no hidden message in science. A resonant, silky voice sang from some ancient bower: IT IS OUR STATION TO LIVE WITHIN LAWS THAT GIVE US BEING, BUT OFFER OF THEMSELVES NO PURPOSE OR PROMISE, NO TRIUMPH AS A SPECIES. THE UNIVERSE ALLOWS US A PLACE IN ITS SYSTEMATIC WORKINGS BUT ONLY CARES FOR THE SYSTEM ITSELF, NOT US. Quath gasped, to see such things so baldly stated. Yet she felt an answering dread inside herself, a swelling feeling of greeting. These ideas she too held. The crisping moment of Nim'furthon's death had brought these thoughts forth. They would not submerge again, ever. She listened further to the soft, confident voice that chanted its final truth: EVEN THIS MANNER OF STATING THE TRUTH MISLEADS. THE WORLD OUTSIDE OURSELVES IS IN FACT INCAPABLE OF CARING. WE EXIST 92 Gregory Benford AS RANDOM HAPPENINGS IN A WORLD WHICH IS ORDERLY IN ITS LAWS, BUT WITHOUT ANY PLAN BEYOND THE GRAVID WORKINGS OF DYNAMICS. Quath recoiled, as though an eating strand had suddenly writhed and turned into a serpent. Here it was, what she had feared. Now it was substantial and unmoving, a solid chunk of history. Other podia had seen the same vast chewing abyss. The world was a rotten, hollow thing. One touch and it split. Quath's hearts pumped erratically; she could sense each thumping liquid surge through a different tube. Hormones showered her, rendering with tangs and savory threads the dry drumroll of history. The heretics easily refuted the Synthesis by which Quath had lived. History, carved by a different knife, became unrecognizable. There was talk of religious mania induced by the merciless, unending mech war. But the Synthesis was not religion, Quath argued to herself, it was a philosophical discovery. Religions had come and gone before. None had caused the podia to rise as one. Unrelenting, the hormone-savored logic rolled on, over Quath's objections. The Illuminates had come into full being in that vastly ancient time. Their iron rule prevailed. Images flared, one by one: spindly podia smashing nests, cutting strands. Disbelievers gutted, wailing, and left hanging to shrivel under strange suns. The Synthesis spoke of rational podia seeking the light, Quath heard. But she could not quell her own thoughts. Did this look like the labors of logic? How could the Synthesis be so sure of its assumptions? She abruptly yanked away. The Factotum must have been watching closely. You leave? Angrily, Quath spat, It is not done. No benefit accrues from-- and the Factotum launched into a hoary, cobwebbed oration. she interrupted. Quath realized that the Factotum would take the words literally and erase the conversation. Perhaps that was just as well. The poor creature could not deal with these questions. Perhaps, Quath told herself grimly, no podia could. Then why was she so burdened? Chapter FOUR Beq'qdahl clacked by, moving rapidly and well. she called. Quath, distracted by a robot resetting the sleeve of her injured leg, glanced up. Beq'qdahl canted her forelegs back with easy grace, her thorax colors and fuzzed eyes rippling with wry humor. Eyelet hairs dilated outward in waves to signify strandsharer fellowship. She added, Quath burned with embarrassment. Whenever she thought of Nimfur'thon the persistent nightmare flooded all other memories. Quath decided to cover her confusion with a sly dig: Beq'qdahl caught the hint in the words. She pursed her anal cavity to show her remark carried sting. Quath said sharply. Beq'qdahl settled into knee-cock, raak, raak. 94 Gregory Benford Quath smoothed her eyelet hairs and oozed red pap through them to show lacings of anger barely held in check. Quath flared. Her fear of heights and of flying was a barb in her flesh. Beq'qdahl was surprised. Quath said, Quath spat back, A pause, Disquiet darted through Quath. Could Beq'qdahl read what she truly felt? Did Beq'qdahl know her doubts? Exposure could ruin Quath's future. Quath started to compose a crushing remark and then thought better of it. Beq'qdahl clattered her ossicles in jeering symphony, excreting bile juice from their seams, flooding the tunnel with an acrid smoke. She exited, clanking a rear waste port. Quath brushed away a ratlike service robot which was polishing its handiwork, Quath's new pod. Beq'qdahl was a competitor, of that one could be sure. For a passing moment Quath had wanted to unburden herself to Beq'qdahl. That would have been an error. No one could help. But still... if she could find even a gesture, a word . . . Stamping heavily out of the tunnel to try the fixed pod, ringing and clacking, she noticed a reference output in the ceramic wall. Something nagged at her, something from the simmering anxiety within. She punched for General Information, gave indices, and scanned the flowing text: THE SYNTHESIS: (1) REALIZATION THAT A CONTINUITY EXISTS BETWEEN INERT MATTER, THROUGH THE GRAND DESIGN OF THE EARLY UNIVERSE, AND INTELLIGENT LIFE TODAY. TIDES OF LIGHT 95 NOW ACCEPTED BY ALL, THIS COSMIC PERSPECTIVE MAY BE SEEN AS A CULMINATION OF ALL THE ANCIENT RELI- GIONS, THOUGH OF COURSE IT IS ERECTED ON A FIRM FOUNDATION OF SCIENTIFIC . . . Continuity. That meant things went on. Stated so baldly, in austere and objective lines, the phrases had a certain power. A tiny crevice, but Quath took shelter there. Chapter FIVE The podia assembled for the confluence in a cavern deep in the Hive burrows. They had carved it when first arriving here, even while they ripped and scoured whole mech legions. This cavern recalled their ancient origins. Watery images of the mingling, chattering podia reflected from the steepled, glossy walls. Scrab-bling pupa had polished the rude stone while they mewled and played. Danni'vver appeared at the entrance of the confluence portal. She issued the ritual call, syllables booming down from the arched ceiling. For this occasion none wore the gray, rough work sheaths of laborers. Instead, there were ample ballooned legments. Some sported rosy crescents of flapping headdress. Fuzzed cilia rippled. Rainbow washes of sweet-scented pus set off artfully inflamed eyelets. Teased tracheae plumes and carapaces of steel-blue sheen exalted their wearers. Some played with pearly castanets of animal bone jangling from each legjoint. Old myriapodia showed fresh encrustations of mica or baked pumice. Those recently promoted found opportunities to display the gleaming leg they had earned, polished and bright amid the tangle of their tarnished pods. Others flaunted ringing, coppery antennae. Or huge ebony tusks. New quartz lenseyes oozed spectra like jewels in oil. Those recently augmented with artificial digestive tracts sported swollen bladders which throbbed with recently pulped food. The tardy podia swarmed up the laddered strands and into the confluence hole. As they creaked into knee-cock, Nimfur'thon's image formed above them. The traditional invocation began. A resounding voice thanked the laborers for quitting their tasks, to come and honor a fallen strandsharer. Quath paid close attention though some nearby buzzed with gossip. Then--incredibly!--the Tukar'ramin appeared on high far above Nimfur'thon. 96 TIDES OF LIGHT 97 Everyone gaped. Never had the Tukar'ramin deigued to crone before them all. someone blurted. Seeming not to notice the shock she had caused, the Tukar'ramin filled the huge chamber with her resonant voice. She intoned the Verities. Quath listened intently as the ancient story unfolded, trying to pry fresh meaning from it. The litany was, of course, quite true and grand. It told how perturbations elumped balls of spinning gas, which in tiine flattened into galaxies. The collapsing cores of young galaxies then flared hot: quasars. Those death throes were burning beacons across an abyss so vast that distance dimmed them to pinpricks of radiance. Yet the podia had deduced that at their center lurked immense black holes of a billion stellar masses or more, holding in a vast grip the surrounding roiling dust. So it was in all galaxies, down to our very own. *The black holes spin and suck, spin and suck,* the Tukar'ramin said. So the grip of matter's evolution went on. Accretion disks swirled about the black holes. Tidal forces ground stars to dust. Inductive electrodynamic fields drove great swarms of particles out from these disks, like geysers. Only in the benign outer districts of a galaxy are there mild conditions for the origin of organic life. *Thus do we glimpse across the refracting curvature of the universe itself only the pyres of huge ancient catastrophes. The burning of matter itself. The graves of suns.* The Tukar'rmnin made the spectacle unfold before thein. Galaxies churned and flared and died across the walls of the chasm. Yet this was only the opening act in a grand drama. In the quiet, unseen, wheeling disks of ordinary galaxies, the Verity went onward. Stars baked heavy elements. Carbon wedded to oxygen, phosphorus, nitrogen, hydrogen. They thrived. Planets spun. Life struggled up. Opposing this flowering of natural workings were the meehs. They pitted themselves in vicious, eternal war with sovereign life. Quath became drowsy. Many legs rustled impatiently. Multipodia nearby sent covert chatter on their private bandxvidths. The Tukar'ramin surely overheard them, but still droned on. The familiar litany: Noughts. Life that was Nought mastered the energy resources of a world. These were simple, unsophisticated races. The first stage. Divine evolution decreed that Noughts must leave the stage. Their lands became grist for the next stage. 98 Gregory Benford Primes. Life coming to Prime converted whole stars to useful purpose: the second level. Their works could be seen across the galactic arms, those chasms of dark and confusion. Such races wrote their names large on the open slate of dumb, blank matter. The podia were surely Primes now--this much they had risen. They knew their purpose. Starswarmers. This was the podia's goal. Starswarmers mastered the colossal energy sources of the galaxy itself. Such a torrent, used to signal across the gulf between galaxies, could send word of the podia to the entire universe. This was their destiny: Starswarmers. If the podia could master the energy of the center of their own comparatively mild and inconsequential galaxy, they could yet play a role on the largest of all stages, the singing communications between the great lakes of stars. Thus could they harvest the lore of ancient times and share the gathering destiny of other Star-swarmers. The Summation, the merging of all that was best in the universe, would follow. The Tukar'ramin followed the ageold text, as handed down by the Illuminates: *--all strandsharers, near and far, fiat and thin, sorbed and heed. All shall lick of it in company. That supreme moment shall surely come, when mind dominates matter at last and turns it to the purposes of the Swarmers. The race to entropy death shall be halted. Mind will rule, As the atoms of our bones and metals were cooked in the first stars, so shall we return to oneness with the universe and...* Something coiled inside Quath. In the spiral arms flaring with crisp orange supernovas she saw not stars craning out of nothing, but instead black dust eating all, a relentless tide of filth that swamped the ember ruby suns- Her voice shattered the Verities. The confluence ceremony fell into shocked silence. Quath discovered she had risen from knee-cock to full stature. *You have a question? That is proper, my strandsharer.* But no one ever asked questions in confluence, ever, and everyone knew it. *All life will find rebirth.* TIDES OF LIGHT 99 *In waiting. * *In a sense.* *It will be like sleeping time. * Above, the Tukar'ramin loomed vast and glistening, anchored to gossamer strands. Quath heard a muttering of discontent around her. But she pressed on: *Information does not ever truly vanish in the universe, if we can elude entropy's gnawing jaws. That is our aim. * *Quath)utt'kkal'thon ..., Using Quath's full name, the Tukar'ramin lowered a probiscus entrusted with fertile sensors, peering. Her cilia rippled with concern. *It is better to think of the Summation as something far larger than yourself. For such it is.* *We live on in the sense that our works live. What we are lives. Our vector sum abides in the universe forever.* *That, I think, is unknown.* 'I do not believe so.* This reduction of the center of the matter to, to an opinion, stunned Quath, Without this peg the edifice collapsed. *That is not given to us to know.* Several of the elderly myriapodia sent discreet low-freqnency signals to Quath, urging an end. Other podia murmured and rustled. *Remember, it is the essence of us which propagates.* More homilies. Quath felt a sudden rush of embarrassment at being so exposed. They all mutely accepted, all of them, They kept silent. Which meant that none truly believed. Only stupid, blind Quath still questioned. ' *This has proved to be a blossoming exchange, Are your quandaries resolved?* 'I suspect you are more disturbed by Nimfur'thon's passing than the rest of us. Know that we understand.* To cover her fear and confusion she retreated 100 Gregory Benford into the ritual of Quath returned to knee-cock, raak, raak. Podia nearby pinched their cilia in disapproval. Beq'qdahl openly jibed. The unfalum, their shared holy food, passed from pineer to pineer. Quath took a strand numbly, engorged it, and began to pull the sticky wad into strings. The manipulae inside her mouth tugged the sweet filaments and spread them into sheets, expanding the surface area. Fine-boned manipulae pressed these against tasting buds, to heighten the sense. Quath sat and worked her mouth, as did the others. Why was she alone burdened with these doubts? Quath wondered. Yet she could not give them up. The confluence ended with singing and smacking noises as they devoured the last of the unfalum. Quath made a show of clenching her thorax, but no matter how thinly she pressed the unfalum, somehow Quath could not swallow, could not truly eat of the essence of their shared vision. Chapter SIX That evening she podded away from the Hive, which floated shadowlike above a wrecked dry plain. She wandered among the hills north of the Syphon. Tomorrow she would return to the ferment of work, but now something drew her out of the secure warrens. The land trembled as though this planet were breathing. If so, Quath thought in her distraction, the world would begin to gasp its last quite soon enough. Inexplicably, the image disturbed her. A roof of clouds drifted overhead, bellies bulging blue with rain. A wan glow from the setting sun drenched the landscape in lazy oranges and reds. Quath shifted to transopticals and saw the Cosmic Circle in orbit, inert and dull without the prodding of the podia's magnetic fields. She longed to labor up there, to help fling the incredible sharpness of the Circle into the breast of this dying mudball. That was glory, honor, destiny. The Circle was the most precious of her race's natural resources. The names of the podia who had found and captured the Circle would ring down through history forever. Possession of the Circle gave the podia the key to slitting the throats of whole worlds. They had used it against the mechs who opposed their move into Galactic Center. It could be hurled against mech craft at immense speed. After it had chopped ships, there was a way to make it suddenly radiate enormous bursts of electromagnetic radiation, frying all unprotected mechs within an entire solar system. The Circle Masters were benefactors and warriors beyond all comparison in the history of the podia. Quath was proud to tread the ruptured ground beneath their handiwork. On this rumpled plain mech ruins clogged the ravines. Smashed mech factories gaped like rotted teeth. Mech carcasses still smoked from past battles. Podia had stripped others of useful parts so that 101 102 Gregory Benford only the shell remained. Quath swelled with pride at the devastation her kind had wrought. Even this lightly defended world had demanded the best of the podia. They had fallen upon it while the local mechs were beset by internal struggles. The Illuminates had detected signs of exceptionally vicious mech intercity competition. Those wise beings had then ordered the Hives to descend. Once enough of the surface was secured for construction of the magnetic clamping stations, the Cosmic Circle had been brought into play. Their victory here opened the possibility of penetrating into the mech fortress stars even closer to the tantalizing core of the whirlpool galaxy. A herd of grazing animals caught sight of Quath and scattered, pell-mell. Even for animals, they seemed stupid and graceless. To think Nimfur'thon had hesitated a precious time too long, out of concern over such base creatures! This was a crude planet, incapable of hatching more than Noughts in its scum of sea and sky. Some scattered Noughts--mere planet-bound creatures, with crude devices--remained here. Only after the mech defeat had the podia even noticed them. Disemboweling their world would finish such trivial beings. Yet some podia still fell to their assaults. Even such minor creatures could hurl podia into the blackness that Quath now knew to be everywhere, behind each apparently solid object. As it had swallowed Nimfur'thon, so it would, inevitably, suck down Quath, the Tukar'ramin, everyone, everyone and everything, making a vile joke of continuity. Quath plucked up a boulder in irritation and flung it skyward, arcing toward a distant herd of dull-witted grazers. The stone smashed great holes as it bounded through them, felling a few. Smaller animals hopped in panic from their holes. They melted into the shadowed dusk and Quath turned, weary, back to the floating alabaster mountain that was the Hive. The Syphon lanced skyward again. This time the Cosmic Circle held steady in its course and the Syphon did not snake sideways. No burning lash fell, letting streaming yellow gush forth. The podia took special care with this first successful firing. The Circle spun perfectly, caressed by sinewy fields. They would have to repeat the exercise many times before abandoning this scrap of TIDES OF LIGHT 103 a world, each time made a bit more difficult because of the shifting pressures below as the planetary mantle collapsed. Quath took refuge in the bustle of work. She volunteered for excess time at the feedback-stabilization monitor. Canted forward to sense the rippling green display, integrating differential inputs, she felt the pressing hollowness of life lift away. If there was no redeeming facet in things, at least there was this: A blur of activity hid the fact that activity meant, finally, nothing. As the Syphon steadied its rush of core metals, the Hive lifted farther. Quath watched from a viewing blister. The ground below heaved and broke, spurting fountains of dust. The land groaned. Pebbles rattled on the blister's underbelly. Animals stumbled in panic as hills slumped. Pits opened beneath their feet. Quath felt her resting strands quiver and she turned, away from the chaos outside. Beq'qdahl nimbly enveloped herself in a webbing, saying, Quath allowed herself a glance at Beq'qdahl's large, hairy mass. Quath had not thought of mining that way, but Beq'qdahl's self-assurance made the point obvious. With each sucking of the Syphon the crust churned, exposing fresh seams of rare minerals. Many ores were needed in the thermweb weaving now going on in orbit. To thread the great bands of coldformed nickel-iron required bonding pastes and weldings, so freighters lofted a steady stream of mixed materials from the surface. Captured mech ships and a large orbital station aided this. Quath and Beq'qdahl had both been privileged to pilot flights to the captured mech station, the nearest they had gotten to where the orbital weavers conjured their deft magic. No hope of such lofty labor now. All surface-working podia had to find rich upturned seams. All who could be spared became prospectors. Quath said. 104 Gregory Benford Beq'qdahl dipped her proboscis sarcastically, impaling on it a burr of spitfood. Quath bristled cilia. Beq'qdahl plucked a mite from a moist slickstrand. Beq'qdahl leaned closer gracefully, her hydraulics wheezing. Quath framed a reply and suddenly saw that Beq'qdahl would be a success. Beq'qdahl's smooth, successful, uncaring manner came naturally because she was in touch with deeper wellsprings, she sensed the way things truly were. And in that clear world, the Synthesis was talk and the Summation a promised sugar dollop meant to quiet children, not a thing podia took seriously for long. That world was real. Relentlessly real. Chapter SEVEN Gathering call, came the beep, slicing through Quath's concentration. She crunched over crumbling slag and looked for silvery green streaks. Gathering call. She slipped a needle into the flaking silver-green, measured and clattered her ossicles in frustration. The stuff wasn't palazinia. Finding a lode of palazinia, the rarest of the bonding pastes, would have been a coup. This scrap, glinting falsely--Quath kicked at it--was worthless. Gathering call. She answered, dreading. Rendezvous[ Noble Beq'qdahl has found a deep seam of-- Savagely she clicked the message off. Another feat for Beq'qdahl. This was the fifth important find since the prospecting and mining had begun, all Beq'qdahl's. Most of the other podia were kept busy mining Beq'qdahl's discoveries, leaving the field clear for Beq'qdahl to find more, to stand out even better. Quath had pondered giving up prospecting--she wasn't good at searching; she moped and rambled when she should scuttle, ferretlike, poking into every cranny--and becoming a miner. But something inside made Quath keep on, trying to best Beq'qdahl. She would not yield the ground so easily. If only-- Quath utt'kkal' thon. Summons[ No. Do not rendezvous. Return to the Hive. To the Tukar'ramin. Down slippery strands slid the Tukar'ramin, a great glistening mass of polished steel and grainy carapace. Gusts of warm well-being spread through Quath as feelers stole into her mind, sensing all. Nervous, jittery tensions smoothed away. *Rejoice, small one.* 105 106 Gregory Benford *No formalisms please; they tax the mind by seeming to mean something. Rejoice, because you need no longer slough the crumbled land. I know you dislike that.* The Tukar'ramin drew Quath nearer, washing her with comfort and forgiveness. *Your doubts drag at every step you make.* The words came out more stiffly than she intended, but Quath clutched at the phrase out of a sense of dignity. *Must you always go sober-suited?* She hesitated, How to tell this most enfolding of all creatures that the snug universe was a vortex, sucking them all down to nothing? *But Beq'qdahl is solitary, too. Alone, seeking rare soils. Her pods do not shamble as yours do.* Beq'qdahl again! Qnath said primly, *But you are none of you alone!* Faint, chiding exasperation. *We are bound on the great, final task. The thermweaves we spin around this star will clasp firm its burning energy. Our fellow podia will soon harness the crackling electrodynamics of the Galactic Center which rage nearby. Soon we shall combine all such energies. Thus gathered, and the mechs banished--and who can doubt that we shall do so, given our great victory here? we can use the tamed power to communicate with other Starswarmers in far galaxies.* *I lick you do not. We span the galaxy to bring meaning to matter. Not simply within our own minds--the castles of besieged reason but in the stars themselves.* She made the eight-legged sign. Quath shuffled, not knowing what to reply. 'I sense your tinease remains.* Quath sent a sharp command to her podding subtask brain, willing its nervous dance to cease. When the Tukar'ramin spoke again, gaudy hormonal spurts brought a new gravity to the resonant words. *You are a manifestation of a rare trait in our kind, Quath'jutt'kkal'thon.* Afraid of exposure, she answered, TIDES OF LIGHT 107 *No. The deep secret behind our expansion from our home system I shall now reveal to you. Long ago, we encountered a race of small beings who explained the nature of the coming mech onslaught. Our savants of that time saw that our own lazy nature meant that we would fall before the mechs. So we blended genetic material with the small ones, to amplify our aggressive side.* *They were. I do not know what physical form they took, but they were both canny and persistent. In selecting these subtle mental traits from their DNA--for we shared that fundamental helical carrier--we necessarily incorporated other facets of them. One such is a capacity to doubt, to question.* Quath said with false bravado. *Perhaps. But you are surely the rare form we call a Philosoph. The conventional wisdom of the Synthesis, as handed down by the Illuminates, is enough for most. Even those who do not believe--such as Beq'qdahl function well within that context. But leader- ship of our race depends on the Philosophs.* *Eventually, yes--if you display the questing mind we need.* *This deep trait is what has plunged you into bleak despair after Nimfur'thon's burning, It brings pain, but can also bring wisdom. * Quath said bitterly. On the Tukar'ramin's great wrinkled hide flashed a hormonal code. *We will encrust you. A small addition for your new task.* *Is not spiritually fitting for you. We are lacking labor in the Hive itself, due to the mining. Here I will sense you better, as you work. There--you have the code? Apply to the Factotum and be encrusted with your new tool.* A gesture told Quath her audience was done. She skittered away. Liberation from prospecting! And an encrustation--! Next to promotion, which would mean an added pod, encrus-tation was the highest tribute to a podder. Quath could preen in the warrens, displaying her addition without baldly announcing it. A plus, definitely. Yes. Her spirits rose. Quath clattered past Dannfvver, hurrying to the nearest terminal. She beeped the code number and awaited the news, her servos humming. She could ponder the odd news of her nature 108 Gregory Benford later, when there was time. After all, she was a Philosoph--whatever that strange name implied. The screen flickered fretted ivory. An image of the new tool formed. Gorge rose in Quath, an acrid blue that rasped her thorax. Swimming before her was a stapling gun. A simple, brainless tool. A simpleton encrustation so low as to be an insult. Chapter EIGHT The days passed with an ache in each hour. Quath had some use of the stapling gun, occasionally tacking machines and crates to the Hive walls in the company of a rabble of robots she directed. The small Hive creatures squeaked and jibbered in their stuttering minilanguage. Quath felt a stab of embarrassment whenever an acquaintance happened by. But in time this faded. After all, she was laboring, like all the podia, and gradually she came to feel that this was her rightful station. Facts had their own hardness, but one could sleep upon them. Quath did not mind the studied way some myriapodia now ignored her conversation. There was always someone to talk to, anyway. The myriapodia were distant and boring, in truth; they cared only for their many mechanical jewelments, and how to acquire yet one more. Aeons ago the idea must have seemed a good one, Quath thought: augment the podia as they aged, to use their experience and shore up the stiffening organs. But now these encrusted mammoths preened more than they worked. And the Quath they snubbed, the quadpodder they passed without seeing as she labored among brainless robots--that Quath knew that these bright myriapodia would inevitably vanish forever: no matter how many stringy muscles and clogged veins they replaced. One night Quath passed a gang of miners and prospectors as she returned alone to the communal webbing, down the inert gray arterial corridors. One called out, Quath asked, tired. Quath had heard no news. 109 110 Gregory Benford Beq'qdahl came into view. Three podia escorted her. The fresh leg gleamed silver and Beq'qdahl bowed toward them, articulating well, with color splashes at her throat that were almost convincingly humble. But her eyes drifted randomly, fogged, unattended by a saturated brain. Her voice was thick from excess of celebration. a quadder shouted. The wobbling quadder lurched toward Quath, threatening. Quath skittered aside. Another farted sourly in contempt, spewing an acrid yellow cloud. Beq'qdahl pretended indifference, studying the grainy walls. Quath ducked down a side passage and away, to the moist gossamer communal bedding, to sleep. Sleep. Yet sleep came fitfully, laced by hot lightning behind the eyes. Quath tossed and clutched at her smooth bed weavings. At times she awoke and then it was the long Dreamtime when they journeyed from her homeworld at far below light-speed. They had hung in swaying pearly sacs and voyaged through the notsleep, bodies slowed, minds floating among fog-racked visions best forgotten later .... Just before dawn the distant sounds of Beq'qdahl's celebration finally died away. Quath expected deep sleep at last. Instead she awakened soon with tingling palps, flushed with a vision. The Tukar'ramin, shrunken and old, lecturing. Not the enduring, enfolding Tukar'ramin she knew, but a doddering old podia who repeated the rote wisdom of the dead past. Despite the technical magic that let the Tukar'ramin span the gulf between minds, and heal, she was still an ancient podder, no more. In the dream Tukar'ramin had described how the meehs would fall before the podia and the cutting Cosmic Circle, vanquished by life triumphant. TIDES OF LIGHT 111 In the dream Quath had cried, You know our mission is empty! and the Tukar'ramin, shocked, fell crashing into brass and ceramic and gristle and withered bony parts. Thorax and antennae clattered on the warren floor. She fell and fell and fell--endlessly, authority squeezed to nothing beneath the crushing weight of remorseless time. Awakening, Quath saw for a glimmering moment that her preoccupation with death held a clue. Somehow, this bore upon all events here at Galactic Center. But how? The small traces of Philosoph that laced thinly through her gave no clue. Chapter NINE Once more the Syphon sucked hard. Again the planet's husk cracked and spat vast plumes of brown dust. It was fortunate that this world had no major oceans, or a different fraction of the crumpled crust would have been submerged with each Syphon firing, impeding the mines. That fact had helped select this world for the thermweaving. It overrode the absence of moons, whose ripping apart would have provided convenient building materials. What's more, there was a curious, ancient orbital device at the equator, which the podia might find useful later. But now, word came of disturbances aloft. The podia used the captured meeh orbital station as a shipping depot. But something had now intruded into the depot, delaying transports. This news was buried in the rush of Hive labor. Quath did not bother herself with such large problems, though she still ached to work in orbit, above the seethe of dust and gravity. She did her tasks and sought solace in marveling at progress beyond her Hive. Already the podia had captured a small fraction of this yellow star's light. Their weaving proceeded apace in orbit, deploying broad planes ribbed with photosensitive silicon. When finished, the weave would be only a framework, of course, for later expeditions. They would render the planets into light-sopping materials--a tedious task--in preparation for harnessing the star's total flux. By the time that happened, Quath expected she would be long dead, and the dream of Starswarmers touching between galaxies in the Summation would be, for Quath, dust. The others did not see this, or care. It was one thing to know in an abstract way that one day you would die, and another to wake in the night and feel your hearts thumping. To delve into your subtask brains and feel the prickly oxygen entering bloodstreams, the slow sluggish purr of tissues rebuilding, a hydraulic tug where titanium met earti- 112 TIDES OF LIGHT 113 lage, the dull orange burning of stored calories . . . and know they will cease, you will plunge into blackness. With repetition these somber moments lost some of their bite. Quath began to see herself as a simple being, humble before the brute facts of living. She labored with the ratlike robots, using her massive stapler when great strength was needed, followed orders, and kept to herself. From murmurs of transmissions in the Hive corridors she overheard more talk of Beq'qdahl's successes. Beq'qdahl is rising, the myriapodia observed. As though Beq'qdahl were a confection baking, puffing itself up, and they were indirectly the cooks. To Quath these matters no longer stung. Thus she was not disturbed, when work teams reorganized, that Tukar'ramin ordered her to accompany Beq'qdahl as an equipment carrier. Being a young Philosoph did not free one from the rub of the world. Ahead rumbled the bulky Beq'qdahl, legs serabbling on rocks. Her erescents of phosphorus made a small splotch of day amid the night. Quath lurched behind, jumping at each tremor of the rock for fear that another shifting of the crust had begun. Overhead hung the Cosmic Circle, its aura dull when not in use. The sharp stars were eyes staring out of a swallowing abyss. Beq'qdahl transmitted only dipped, efficient messages. Quath labored forward under her load of acoustic sensors. The Tukar'ramin had given Beq'qdahl a complete analytical station, so that tests could be made in the field. The components were bulky. Quath also carried Beq'qdahl's extra boosting rockets, for escape should magma spurt over the crumpled hills. Quath supplied it. Dawn broke as the sun ripened behind thinning clouds. Quath thought of Nimfur'thon and their gambols on these lands, then sprinkled with green. A very long time ago. From behind a tilted shelf of rock ambled a flock of animals. It was surprising, Quath reflected, that they had survived the land's heavings. The next round of Syphon firings would surely end life on this world. Something whined off Beq'qdahl's high turret. 114 Gregory Benford The animals quickly spread among the shattered boulders. Something thudded into Beq'qdahl's flank. A pod jerked in spasm. Beq'qdahl asked. Quath felt a flare of hot pain. Another shot sang off Beq'qdahl's bronzed turret. Quath answered mildly. Two quick bursts caught Quath in the side. She drew up a battered palp. A salty pus oozed forth. Quath said evenly. Beq'qdahl's shrill cry pierced the air. Her fifth pod split ripely and belched a foul smoke. Quath abruptly pitched forward. Her rear bulkhead puckered around two steaming holes. < H-here. > Beq'qdahl strapped on the blue cylinders. Sharp shots rang on her carapace. Quath spoke slowly, A harsh laugh. < Stay, then. We can perhaps ride over them and, and crush--> Beq'qdahl's infrared antennae wobbled and sheared away with a grating noise. She finished hurriedly and made ready. Near misses hummed in the air. Quath felt a stabbing gouge in her third pod. The gray TIDES OF LIGHT 115 animals--no, Noughts, she corrected herself--were nearer. They were fanning out. Metal glinted in their small feelers. When Quath glanced skyward again, Beq'qdahl was a yellow dot arcing toward the distant Hive. Quath knew that even if she had boosters, she would lose valuable moments overcoming her own subminds. Their fear of flying was almost unmanageable. Resigned, she turned to study the Noughts with no weapons to repel them. Small pellets ate snick! ping!at her skin. She hoisted her own boosters and locked them into sleeves, shrugging off the small bites as the Noughts' shots nipped at her. Small, but so many. As she articulated a telescoping arm, something caught her attention. Her stapler gleamed in the dawnlight. The humble stapler which drove forked brackets into the Hive rock. No weapon at all . . . Quath started to run. And then stopped. The Noughts could follow, after all. If she stood she would retain at least her dignity, if not her life. Quath turned and faced the enveloping tide of piping Noughts. Something in her wanted this. She raised the stapler and sighted along it with three eyes. A Nought charged into her center of focus and she fired. The staple split a rock, missing the Nought. She corrected. Fired. Another miss. Quath felt a strange soothing calm. Shots struck her palps, fracturing one away. Steadily she calibrated and aimed. The stapler jerked. A Nought crumpled and fell into a gully. The next gray target bobbed and weaved. Quath compensated and caught it on the third shot, splitting the thing in two. Beneath the gray shell it oozed sap. High, frantic calls piped from the Noughts. Many ducked behind outcroppings. Quath quickly shot three. Their weapons peppered her, stings nicking at her concentration. She killed five more. They crowded in now, skipping like mites from one shadowed refuge to the next. Staples plowed through the soft, unarmored Noughts. Her side dimpled and a hard wave of pain lanced through her. She lurched, gasping. Oil bubbled from two pods. Her remotely actuated hydraulic cylinders did not respond. She was trapped here. She dashed sideways to elude a wedge o pounds them and a massed 116 Gregory Benford volley slammed her into a rock face. Her lenses fogged. Oxygen processors rasped. Fiery fingers pulled at her guts. Here it is, Quath thought. I have met it. Blackness closed in. Drifting . . . Swimming . . . Darkness came... slow... slow. Yet time ticked on. In her blurred sensate swamp Quath felt a brush of cool air, like the plasma wind which stirs the banks of dust between suns. Watery images floated in her eyes. She oxidized sugars with nitric acid, splitting open her internal mucus pouches to hasten the mix. She strained-- With a gathering rush her boosters fired, yellow columns singing. A cold fierce joy burst in her. She landed unsteadily. Noughts swarmed after her. She set herself with a cool certainty and aimed. Fired. Forked staples cut into the Noughts. Clanking, rumbling, surging, she moved--and boosted again, firing as she flew. The Noughts in their gray suits exploded when the staples caught them. Guts spilled on crushed rock. A pleasant fever swept over Quath as they fell under her hail of staples, puny voices screaming, rasping for a last suck of air. Quath pushed them back across the field. Their firing slowed, ceased. They fled. She swiveled and searched out the few gray dabs remaining. They cowered in their hiding holes, bleating in fear, little better than animals. Each became a small detail that Quath settled with the quick sharp stutter of the stapling gun. Each ended with a little cry, as if what awaited were a surprise. When she sliced the last one through, Quath stood alone, gasping, her mind fuzzed. She attached a hook and line to a Nought body which was still in one piece and hauled it up for a better view. In the absolute silence of the battlefield her driving servo scratched, demanding oil. Her joints trembled with strain. The Nought body turned on the hook. Quath plucked at the gray skin. Filmy, it tore away. The gray suit shucked off, much the way this world would soon become a husk. The Nought slipped free. At first Quath saw only the gangling appendages with their awkward, splayed ends. Two for walking, two for manipulations. The joints were slight pivots, surely not capable of withstanding much stress. TIDES OF LIGHT 117 Yet as Quath studied the creatures she saw how the wrinklings and knottings of its skin told how the thing lived. Patches of curdlings at the midjoints of the shorter pods, evidence of wear. A funguslike growth above and below the eyes, to cup warmth about the small brain. Another dark patch, lower, to shelter a tangle of equipment. Quath traced the fine pattern of fleece that wove about the body, following what she could see were flow lines water would make as the thing swam. A beautiful design. So this Nought was a swimmer, yet it could walk, after a fashion. She clamped the skull and turned the spinal juncture until a click came. She sent a subsonic hum along the body. With care she lifted the skull. The skeleton came free, sliding up out of the meat. To Quath this gesture brought into the air a fresh and wonderful vision. The chalky bones were not crude and heavy. They seemed delicately turned, fitting snugly together--thin where waste would slow the beast, strong where torques and forces found their axis. The center held a finespun cage of calcium rods. 11ibs. They blossomed into a brittle and precisely adjusted weave, a song of intricate design and wonderful order that Quath could sense trilling through the webbed intersections. Yet this Nought-thing was a pest. It crawled on the ground and probably never noticed the stars. It had mastered at best the trifling resources of its pitiful little world. Its crude weapons were barely better than the teeth and hooves of dumb animals. Quath spun the skeleton, marveling at it. Inside her a chorus swelled over her weak, doubting voices. She swept aside the bleak landscape of small-minded logic, the fears which had ruled her. Here at last was the truth made manifest. Her faith returned. Ieason resonated here. A universe which spent such care on loathsome, useless Noughts surely could not make the whole drama pointless by discarding it all, by letting blackness swallow everything, by letting Quath]utt'kkal'thon ever finally fail, fail and die. PART THREE -- A MATTER OF MOMENTUM ONE Killeen smacked his gloved palm against the alien bulkhead. "Damn!" Then he heard Jocelyn coming back and made himself take long, calming breaths. It was never a good idea to let an officer, even one as disciplined as Jocelyn, see the Cap'n in a pure, frustrated fit of anger. "Nothing," she reported. "Couldn't see a damn thing happening anywhere in the ship." Killeen nodded. He had been certain the craft was completely dead to their commands, but they had to check every possibility. There was precious little else they could do. He remembered that during the assault on the station he had regretted that, as Cap'n, he was no longer in the thick of things. Well, now his wish had been granted .... Their Flitter had been under way for over an hour. A steady throb of motors gave a slight acceleration toward the aft deck. In these skewed hexagonal compartments this was a particularly awkward orientation, intended for some odd mech purpose. Jocelyn pulled herself deftly over a tangle of U-cross-section pipes that emerged from the floor and arced into the outer hull. Killeen peered into the mass of wires and mysterious electronic wedges that he had uncovered beneath a floor hatch. He called up his AspectsArthur for the electronics craftsmanship of the Arcology era, former Captain Ling for the starship lore of millennia earlier, and even Grey, aloof, sophisticated, so remote as to be nearly inaccessible. No matter who he summoned, none of the ancient personalities offered anything useful. Ling came the closest. 119 120 Gregory Benford The external entity's means of controlling this craft may be insidious ... note how none of your precautions prevented Mantis from re-asserting itself, upon our arrival. Your mastery over Argo was illusory. "You mean we never stood a chance," Killeen said bitterly. "Never did, never will." Long ago, before my time, before Grey's, before even the epoch of the great Chandeliers, it is said that our ancestors once challenged the mechs. Higher entities were forced to acknowledge our existence, rather than delegating our eftmina-tion to minuscule mechanisms such as you knew on Snowglade. It was difficult for Killeen to picture a being like Mantis as "minuscule," though Mantis itself had said that this was so. Killeen's mind could not encompass the heights Ling was implying--heights once assaulted by humanity before the long, grinding fall. As for your present problem, there is a simple solution. A way to prevent the outside entity from controlling this craft. "How's that?" By destroying its means of receiving instructions. Go outside and wreck the antennae. Killeen laughed so coarsely that Jocelyn looked up from her useless labor under the floorboards. "Already thought 'bout that. We can't get outside!" Before Ling could respond he swept the irritating Aspect to the back of his mind. He tried again to call Shibo on comm. Reception had improved since the last try, though it still faded in and out, washing her voice in soft static. To him it sounded beautiful. --How are you doing.2-- she asked, tense with concern. "Survivin'. I miss you an' Toby. How is he?" -Toby's fine. He's up here on the Bridge with me and Cermo. We're trackin' you.-- There was a pause.-- You're still headed for rendezvous with the approaching ship. It's hell just sitting here. Can't budge Argo, come after you.-- "Did you try painting the hull with insulator? It might keep out whatever's jammin' the controls." TIDES OF LIGHT 121 --Yeasay. No good. It's Mantis programs that've got us stuck here, embedded too deep.-- Her level voice could not hide from him her tight apprehension. --Looks like that method worked on the other Flitters, though. They're under our control now. We'll have 'em charged up soon.- Implied, but unspoken, was the fact that none would be ready in time to rescue Killeen and Jocelyn. Jocelyn reacted to this by spitting on the cabin wall. "All right," Killeen said. "Shibo, I want you to form up the family. Issue provisions. Full field gear." --For what?--"For abandoning the station. Take the Family away." --But Argo!-- "We'll have to abandon Argo too. Detach the farm domes. We discussed that. They're self-sustaining. Drag 'em along. But get out within twenty hours." --But we can defend the station!-- It was Toby's voice, rent with frustration, breaking in. "Son," Killeen said. "Get off the command comm." --I say we can take these damn mechs!--Before Killeen could cut his son off, Shibo interjected agreement. --Yeasay. We'll stay with Argo, fight off anything that comes.--Shibo's voice was filled with fierce commitment. Her motivation warmed him, but it frustrated Killeen that he could not make her see. Lieutenant Cermo's forceful voice joined in. --Fight higher-level mechs? From a fixed position? Crazy! Naysay!-- Shibo's reply sounded uncertain. --We'll sucker 'em in, jump 'era.- --They'll expect that!-- Cermo spoke louder than necessary. ---These mechs're puny!-- Toby interrupted again. --We took 'em easy.-- Cermo's reply was bitter. --Those were just night watchmen. Just wait'11 the Marauder class mechs show up. I tell you we can't fight things at that level. Not from fixed positions. At least not without help from something like the Mantis.-- --You Mantis-followers!-- Toby grated. --Mantis's mechs were gonna meet us here, you thought. Where were they? They got beat by something else before we ever arrived.-- --Exactly my point] Whatever beat Mantis's allies is gonna come back here soon. It's already got th' Cap'n.-- 122 Gregory Benford "Cermo's right," Killeen told them, glad that his second lieutenant was showing some sense. He was about to add more praise when Cermo took a completely unexpected tangent. Thanks, Cap'n. That's why I say we head right now for broken ground. Head for territory where we know how to fight, like in the old days, and where we can find allies.-- "You can't mean . . ." --Yeasay! Head for the surfaee.-- "No! Take the Flitters outward! You can reach the fourth planet. It's got ice, carbon. We got some Aspects who 'member that kind of life. You can set up domes." But Cermo cut in again. --Argo brought us here for a reason, Cap'n. Some of us say let's go down and find out what that reason is.-- "But those reasons may be obsolete! They probably are, if Mantis's allies have lost. Anyway, what about the others in the Family? Those who don't trust Mantis?" That had always included the majority of Argo's crew. Killeen had long counted on their support to overcome the mysticism, or gullibility, of the faction willing to put its faith in the promises of a meeh, even a "different" meeh as unusual as Mantis. Killeen was confident peer pressure would bring Cermo around. But Shibo's next words cut the deck from under him. The majority say we should stand an' fight for the station,-she said in a low, bitter voice he could barely make out. --But the Cap'n has convinced me we can't. Given that, Cermo's right.--"No! Take the Argo. Run]" --If we take the Flitters maybe I can find you later.-- "Not much chance I'll be alive long. Somebody wants a look at Jocelyn 'n me. Don't 'spect it's just friendly interest." Cermo said, --Cap'n, we vote for goin' down.--"And I say you don't." With less heat now Cermo sent, --The Mantis . . .-"We're masters of our own lives, dammit!" Killeen shouted. --The Mantis had somethin' in mind,-- Cermo said stolidly. "So what? Think it planned that cosmic string? Shibo! What's it doing?" In reply she sent a simulation picture that fluttered in his left eye. The revolving hoop shaded the entire planet. From the small opening along the axis dark peneft-thin strands shot upward. Both poles vented streams of matter. Yellow metal-lava struck vacuum TIDES OF LIGHT 123 and exploded into banks of fog. From the vapor came long, thin threads. "Looks like buildin' somethin'," Killeen said. --Gutting the planet while they do it,-- Shibo agreed. Killeen said sharply, "You'll do as I order. Shibo, you sounded the gathering call yet?" Shibo replied reluctantly, --Yeasay.-- "Good. Now--" --I got Flitters ready, too. They're set up for easy destination programming. Files on the Argo showed me how. I've got them set for planet approach.-- Killeen saw bitterly that she had thought this through thoroughly. She could probably bring it off, too. Shibo was a wonder at ferreting out mechmind ways. "Naysay! Something awful's going on here. Get away!" --Sorry, lover. You're outvoted.-- Shibo gave the words a lilt but he could feel her tension. "As Cap'n I--" --If you want legalisms, try this,--Shibo cut in sternly. --You've been shanghaied off. As acting officers we're expressing the Family's decision.-- "Naysay! You can't--" --Listen!-- Her voice suddenly flared with genuine anger. He could imagine her suddenly widened eyes, her clenched teeth. Emotions seldom broke her calm surface, but the effect was spectacular, like an unleashed force of nature. --We'll try saving you. But we're holding with our dream.-- "Shibo, I want--" --Lover, you know I can't just sit here and do nothing.--Killeen made himself pause. His frustration should be directed against whatever had seized this ship, not against this most precious of all women. "All... all right. No way I can stop you, is there?" Cermo answered with surprising warmth, --Naysay. None.--"Where'11 you go?" A pause. He imagined that she was holding herself in check too. The thin strand connecting them seemed to sing with unspo- ken thoughts. --You... 'member that signal from New Bishop?- "Yeasay. Had human indices, you said." --I got a better fix on it. Voices. Near the equator. We'll try for that.-- "Well..." 124 Gregory Benford --There're people down there. That convinced a lot of us. If we can't defend Argo, we'll go down and join our kin.- It made sense. Killeen reluctantly admitted that Shibo and Cermo had logic and human fellowship on their side. "The string, though!" he shouted, pounding the console. "How can you get past it?" --It whirls round for a day or so, then stops,-- Shibo said. --We'll spread out from the station. When the string stops, we'll hit the atmosphere.--"Too risky." --Lover . · .-For a long moment they said nothing. The purr of static seemed almost like a background chorus to poignant, unspeakable thoughts. "When . ·· when'11 you leave?" --Soon. We're nearly ready. I . . we'll . . . try.. · pick you up ... you ... hide from whatever's in that ship ... if we can . ·· get in close . . · otherwise ·· .- Her voice faded in and out. Killeen listened intently for some last contact with her. Finally he switched off the static and realized he had been holding his breath. Jocelyn looked at him expectantly. Killeen had no ideas and did not want to show it. He clamped down his jaw muscles, knowing this gave him a stern look, but this time he valued it more because it compressed his helpless frustration. "They want to keep us in here till . · "Jocelyn plainly could not think of a way to finish. "Yeasay. Till they can flush us out, step on us. "Haulin' us out this far, maybe they just want get some idea 'bout what we are, 'fore they go into the station." "Seems reasonable. Mechs're careful." "Even dead, we'll give 'em info," Jocelyn said flatly. He saw her meaning. "Yeasay." "We better get out 'fore we arrive." Anger brimmed fresh in him. He needed to think but the blind rage seethed nearly beyond control. His hands ached to smash and tear. At that moment he saw the glimmer of an idea. Evolution's mute legacy of hormones had made him get angry, and maybe that was the right thing after all. Use his rage, yes. "Let's have some fun," he said with a thin smile. "Huh?" TIDES OF LIGHT 125 "This ship's got some onboard mind, even if we can't reach it. Let's give it a problem. A big problem." Killeen picked up a metal rod he had wrenched free from a mech loading mechanism. With a spurt of joy he brought it down on the U-shaped pipes. One, two, three blows--and a pipe dented. Fractured. Split to let hiss forth a green gas. "Seal up!" Jocelyn cried with alarm. They both twist-locked their helmets as the gas filled the ship with a billowing emerald fog. Distant warnings wailed, keening in his sensorium. Killeen waved Jocelyn to follow and moved as quickly as he could through the snaking tunnels of the Flitter. There had been a small side lock that they could not open, but now, if they confused the ship's internal systems enough . . . The lock was a simple exit chute with a large dimpled cap. They had spent a lot of time trying to lever it open, and now Killeen simply slammed his metal rod into the thing. He chipped its finish and broke off the side flanges. Jocelyn had caught his meaning, too, and had found a shaft of heavy composite brass. She fiailed at the lock with relish, grinning. After the first rush of rage Killeen reflected that this at least cleared their heads. It burned up oxygen, but he didn't have much hope of using his full reserve anyway. He knew he had blundered badly and was going to pay for it. More alarms hooted through his sensorium, electromagnetic spikes of mech dismay. Killeen chopped down on power cables. Sparks jumped. He was wearing his rubber gloves to avoid the usual shocktraps but the surge still blinded him--breaking down the air, forking orange fingers into the deck. The green gas was thickening. Killeen smashed a panel of controls, denting the side and ripping wires. And the lock popped open. Killeen stared at it. Brilliant stars beckoned. He had only an instant before the whoosh of escaping air drew him headfirst toward the open lock. He windmilled his arms in the storm. This made him strike the yawning mouth sidewise, so it could not swallow him. Jocelyn slammed into his legs. He wrenched sidewise. That gave her a shove toward the floor, where she could grab at the base. But securing her cost him his precarious hold on the lip of the lock. The rising gale's shriek clutched at him. He tried to sit up. A giant hand pushed him heavily back. Small mouths sucked at his arms, legs, head-- 126 Gregory Benford Something struck him solidly in the neck and abruptly he was in the lock, battering against the side in a green-tinged darkness-- --and was out, free, whirling away from the shining skin of the Flitter. Tumbling. Spinning. He vectored hard to correct his plunge. A jumble of impressions began to make sense. He hung on the dayside of New Bishop, far from the station. He was near a pole. Far below the ruddy twilight stretched shadows of mountains across beaten gray plains. Toward the equator green life still dung in valleys and plains, where forests thickened. All this lay behind the incandescent golden blur of the cosmic string. It spun with endless energy. One edge of it arrowed straight down toward the pole. The other side bulged out far beyond the planer's equator. The hoop spun faster than the eye could follow. A hovering tapestry spread over the entire world. The polar axis was dear now. Killeen could see no dark jet of metal spewing up. But glinting craft lingered still. Now he was going to get a dose look. He was nearly over the pole. Far away, nearly over the soft curve of the world, arced vast gray warrens. The fabricated fruit of the recently ejected core metal, he guessed. This he took in with the barest glance, unable to react--because something came looming into his view, swelling with the speed of its approach. The ship was far larger than the meeh Flitter, which now floated like a helpless insect beside a predatory bird as the craft slowed and stopped. The comparison came to Killeen because of a certain tantalizing, evocative sweep of the larger ship's lines. It had flared wings made of intricate intersecting pentagons, as though spun out from a single thread. Its forward hull bulged like a gouty throat. Blackened thrusters at its rear puekered wide. His Arthur Aspect remarked serenely: While the Flitter expresses mech rigidities, this huge craft seems sculpted to express underlying body symmetries. Aspect Grey tells me this is a characteristic of organic intelligence, not mech. Still, I fear these are not the familiar bilateral forms made by humans. "Joeelyn! There's something out here. Hide!" Faintly she sent in answer, --Yeasay. Flitter's nearly stopped anyway.-- TIDES OF LIGHT 127 The ships now hung together. Killeen wondered if this had been their intended destination. If so, perhaps all their mad raging had only succeeded in getting him free a few moments early, as the Flitter was allowed to void its irritant. He jetted around the Flitter, calculating that the larger ship might miss him in the clutter of debris that had spewed from the lock. If he could somehow stay free, he might find out what manner of being flew the strangely shaped ship. Speculation ceased. A form rushed forth from a darkened oval hole in the craft's side, moving far swifter than a human could. It headed for him. Killeen sped away. There was nowhere to go but he was damned if he would wait to be caught. His turn brought into view the pole again, and the golden glow of the spinning hoop below. The shimmering covered all of New Bishop except for the small open cylinder at the pole. Killeen tried to angle away from the onrushing form and gain the small shelter of the Flitter. A glance behind him showed that the thing was closing fast. He veered. At each darting turn it came closer, following him with almost contemptuous ease. It loomed so near now that Killeen could see bossed metal studded with protuberances. Between riveted coppery sections was a rough, crusted stuff that seemed to flex and work with effort. He realized abruptly that the thing was alive. Muscles rippled through it. Six sheathed legs curled beneath, ending in huge claws. And the head--Killeen saw eyes, more than he could count, moving independently on stalks. Beside them microwave dishes rotated. It had telescoping arms socketed in shiny steel. They ended in grappling arrays of opposing pads. The thing was at least twenty times the size of a human. A bulging throat throbbed beneath stiff-crusted graygreen skin. Its rear quarters were swollen as though thruster tubes lodged there. Yet they were also banded with alternating yellow and brown rings, like the markings of a living creature. Killeen guessed that this was what had been near the mainmind of the station. But that one had been much smaller. This was another order of being. It united the forms of both meeh and life. This was all he could think before gaping pads clasped him in a rough but sure embrace. The thing brought him up toward its moving eye array. It 128 Gregory Benford studied him for a long moment. Killeen was so rapt upon the orange ovals that only after a moment did he notice the steady tug of acceleration. The thing was hurtling him forward. Not back to its ship, but toward the pole. It tossed him from one array of pads to another, letting him tumble for seconds in space before snagging him again. Like a cat playing with a mouse, his Arthur Aspect said mournfully. "What's . . . a cat?" An ancient animal, revered for its wisdom. Grey told me of it. Killeen's mind whirled, empty of terror or rage. He felt only a distant, painful remorse at all he was about to leave behind Toby's laughter, Shibo's silky love, Cermo's broad unthinking grin, the whole warm clasp of the Family he had failed, and would now die for in a meaningless sacrifice to something beyond human experience. He tried to wrench away from the coarse black pads. They seemed to be everywhere. A brutal weight mashed him down. A long, agonizing time passed as he struggled to breathe. He wondered abstractly how the thing would kill him. A crushing grasp, or legs pulled off, or electrocution . . . In sudden rage he tried to kick against the pads. He got a knee up into them and pushed, struck sidewise with his arms-- --and was free. Impossibly, he glided away at high speed from the long, pocked form of worked steel and wrinkled brown flesh. It did not follow, He spun to get his bearings and saw nothing but a hard glow. He was close to the hoop. No, not merely close--it surrounded him. Killeen looked behind him. Above the fast-shrinking alien hung at the end of a glowing tube that stretched, stretched and narrowed around him as Killeen watched. He was speeding down the throat of the pipe made by the whirring hoop. Shimmering radiance closed in. He righted himself and fired his jets. The alien had given him a high velocity straight down into the hoop-tube. If he could correct for it in time-- TIDES OF LIGHT 129 But the brilliant walls drew nearer. He applied maximum thrust to stop himself, even though that meant his fuel would burn less efficiently. His in-suit thrusters were small, weak, intended only for maneuvers in free-fall. He plunged straight down. The alien had so carefully applied accelerations that Killeen did not veer sidewise against the hoop walls. He was falling precisely toward the pole of New Bishop. Through the shimmering translucent walls he could see a dim outline of the planet, as ghostly as a lost dream. His thrusters chugged, ran smoothly for a moment, then coughed and died. He fell in sudden eerie silence, He had been simpleminded, thinking that the alien anthology of flesh and steel would kill him in some obvious way. Instead, from some great and twisted motive, it had given him this strange trajectory into the mouth of a huge engine of destruction. At any moment, he supposed, the tube would vent more liquid metal outward. In an instant he would vanish into smoke. Vainly he tried his sensorium. No human tracers beckoned. He grimaced, his breath coming rapidly in the sweat-fogged helmet. The shimmering walls drew closer. He almost felt that he could touch them, but kept his arms at his sides. He fell feet first, watching a small yellow dot between his boots slowly grow. His Grey Aspect said distantly: This is . . . wondrous work... such as I... never studied . . · comparable to the constructions . . . in ancient times ·· . of mechs themselves... His Arthur Aspect remarked: We are inside the bore of the tube that stretches out along the polar axis. Let us hope the entire tube has been emptied by the alien mining operations· It appears we do have a quite exact trajectory. The alien sent us falling straight along New Bishop's spin axis. We may well fall all the way through the planet. Killeen tried to think. "How long will that take?" Let me calculate for a moment. Yes, I retained the data on New Bishop which Shibo announced... which yields... I am performing the dynamical integral analytically . . . 130 Gregory Benford Across Killeen's field of view appeared: time = R 4---G p Time to pass through to the other side of the planet is 36.42 minutes. I would advise you to start a running clock. Killeen called up a time-beeper in his right eye, set it to zero, and watched the spool of yellow digits run. He could make no sense of them, and in his life had never needed more than a rough estimate of minutes elapsed--and then only when timing the beginning of an assault. Let the Arthur Aspect read it. Time was of no importance when the outcome was so barrenly clear. IWO Quath'jutt'kkal'thon surged with pride. Powerful acceleration pressed her into the rough webbing. She sang to herself of the adventure to come, the first fruit of her new status in the Hive. Beq'qdahl called, Quath could have tapped into the general ship's electro-aura, but she chose to lean forward and watch through the optical port. They were well above the smooth blue curve of this world. The Cosmic Circle hung still in the distance, gray and serene. Soon it would begin winding up again. More core metal would be needed for . . . She searched the starry dark. There.t The thermweb was a slate-dark lattice, hard to see. Some strands of it were nearly complete, knotted at the intersections by pearly bonding dollops larger than mountains. The total span showed a distinct arc and its far edge lay beyond the horizon. Quath narrowed her vision. She could see podia working on the immense girders and vaults--forming, shaping, cutting, polishing. Soon the thermweave would be ready to harness the outpouring solar energy of the nearby star, and the mission of Quath's race could carry on with its inexorable momentum. But first there were minor details to clear up. Quath and Beq'qdahl had been sent up in this shuttlecraft to take care of a nuisance which had infested the former mech orbital station. For Quath this was a great honor. She had distinguished herself in the battle with the Noughts. The Hive's supreme arbiter, the Tukar'ramin, had witnessed Beq'qdahl's cowardly flight. So Quath had been decorated with gaudy new additions to her body parts, including two fresh legs. In the corridors she was spoken of as Quath-the-Terror and She-Who-Fights. And now this: a mission to squash an infestation in orbit. Honor! Opportunity! A vicious pest had occupied the station, killing a minor func- 131 132 Gregory Benford tionary. The orbital laborers were too busy to tend to the task, and so had delegated it to the lower-rank ground podia. Still, this was surely more than Quath had dreamed she could achieve, a strand far higher in the social web. Beq'qdahl said. Quath gibed at her, Beq'qdahl was still sensitive about the embarrassing encounter with the Noughts. Quath said slyly, Quath saw Beq'qdahl's design. She wished to recoup her repute. A quick engagement could indeed restore her good name. Perhaps the Tukar'ramin had allowed the two of them alone to come on this mission for just that reason. Quath fretted. She had assumed that she was being honored here. Now she saw that perhaps the Tukar'ramin was simply guarding Beq'qdahl's stature, with Quath along as a safeguard. In ease Beq'qdahl bungled matters, Quath-the-Nought-Slayer could save the day. Beq'qdahl said. Quath hesitated. After all, action in orbit was a great privilege. She scintillated her pore hairs to show agreement. The Tukar'ramin placed a high value on stamping out the Noughts, ever since they had damaged the magnetic flux stations. The very death of Nimfur'thon might have arisen from Nought vandalism, causing the Syphon to snarl. Quath relished the opportunity to squash more of these dwarf enemies. They swooped around the bowl of the planet. Below them the Cosmic Circle tilted on the far horizon and began with gravid TIDES OF LIGHT 133 graee to spin again. Its length shimmered brilliantly as it converted a small fraction of the mass at the core into self-energy. Quath watched this with humble awe. She saw they would intersect the shuttle ship near the pole, where they could well witness the working of the Cosmic Circle. She hoped to approach it, sense its eyelie power. There was a legend among the podia that the Circle, their most potent tool and weapon, radiated an enhancing aura. Podia who ventured near were ensured of longer life. Quath thought this was probably worthless legend, but she was not absolutely sure. Why not test it? After all, she was a Philosoph. Her conversion to an inner certainty of her own immortality, which had come as a blinding insight on the battlefield, had now echoed down through her life. She no longer questioned the ultimate rightness and central position of the podia, and of her place in the scheme of the galaxy. The calming reassurance of her conversion was an ever-present joy. Yet, oddly, when she had related this to the Tukar'ramin, that great entity had seemed unmoved. Quath watched as they approached the shuttle ship. She tensed with excitement as Beq'qdahl commanded, Quath elanked and rasped as she made her way through the lock. She was fully charged in all reservoirs and capacitances. Her body prickled with the desire to vanquish. She launched herself through the lock into the cool embrace of high vacuum. Pleasurable waves swept across her tough self-skin, the original organic hide she had been born with. She had thought of covering it with body armor or some useful appliance, but the charm of true flesh outweighed utility. She was nostalgic for her earlier, purely organic self. To erase all dependence on flesh would be too great a breaching with her past, too soon. Time enough for that later, when she had dimbed on up to greater strands in life. Only the Illuminates, it was said, were totally augmented. Those vast, wise beings had attained the ultimate synthesis of flesh and mechanism. The shuttle ship hung nearby. Quath saw immediately that a cloud of junk spun lazily away from the small aft lock. Amid the twirling stuff was a silvery Nought. She shot toward it. Yes, it was the same boring bipedal sort 132 Gregory Benford tionary. The orbital laborers were too busy to tend to the task, and so had delegated it to the lower-rank ground podia. Still, this was surely more than Quath had dreamed she could achieve, a strand far higher in the social web. Beq'qdahl said. Quath gibed at her, Beq'qdahl was still sensitive about the embarrassing encounter with the Noughts. Quath said slyly, Quath saw Beq'qdahl's design. She wished to recoup her repute. A quick engagement could indeed restore her good name. Perhaps the Tukar'ramin had allowed the two of them alone to come on this mission for just that reason. Quath fretted. She had assumed that she was being honored here. Now she saw that perhaps the Tukar'ramin was simply guarding Beq'qdahl's stature, with Quath along as a safeguard. In case Beq'qdahl bungled matters, Quath-the-Nought-Slayer could save the day. Beq'qdahl said. Quath hesitated. After all, action in orbit was a great privilege. She scintillated her pore hairs to show agreement. The Tukar'ramin placed a high value on stamping out the Noughts, ever since they had damaged the magnetic flux stations. The very death of Nimfur'thon might have arisen from Nought vandalism, causing the Syphon to snarl. Quath relished the opportunity to squash more of these dwarf enemies. They swooped around the bowl of the planet. Below them the Cosmic Circle tilted on the far horizon and began with gravid TIDES OF LIGHT 133 grace to spin again. Its length shimmered brilliantly as it converted a small fraction of the mass at the core into self-energy. Quath watched this with humble awe. She saw they would intersect the shuttle ship near the pole, where they could well witness the working of the Cosmic Circle. She hoped to approach it, sense its cyclic power. There was a legend among the podia that the Circle, their most potent tool and weapon, radiated an enhancing aura. Podia who ventured near were ensured of longer life. Quath thought this was probably worthless legend, but she was not absolutely sure. Why not test it? After all, she was a Philosoph. Her conversion to an inner certainty of her own immortality, which had come as a blinding insight on the battlefield, had now echoed down through her life. She no longer questioned the ultimate rightness and central position of the podia, and of her place in the scheme of the galaxy. The calming reassurance of her conversion was an ever-present joy. Yet, oddly, when she had related this to the Tukar'ramin, that great entity had seemed unmoved. Quath watched as they approached the shuttle ship. She tensed with excitement as Beq'qdahl commanded, Quath clanked and rasped as she made her way through the lock. She was fully charged in all reservoirs and capacitances. Her body prickled with the desire to vanquish. She launched herself through the lock into the cool embrace of high vacuum. Pleasurable waves swept across her tough self-skin, the original organic hide she had been born with. She had thought of covering it with body armor or some useful appliance, but the charm of true flesh outweighed utility. She was nostalgic for her earlier, purely organic self. To erase all dependence on flesh would be too great a breaching with her past, too soon. Time enough for that later, when she had climbed on up to greater strands in life. Only the Illuminates, it was said, were totally augmented. Those vast, wise beings had attained the ultimate synthesis of flesh and mechanism. The shuttle ship hung nearby. Quath saw immediately that a cloud of junk spun lazily away from the small aft lock. Amid the twirling stuff was a silvery Nought. She shot toward it. Yes, it was the same boring bipedal sort 134 Gregory Benford that she had slaughtered in plenty on the battlefield. The mirror finish to its skin spoke of a high-quality technology, an insulating texture. Perhaps the Nought had stolen this material from the podia's stores in the orbiting station. This suspicion flared hotly in Quath. She sped to intersect the pitifully slow passage of the Nought. She caught it easily. Its struggles were comically weak. Beq'qdahl asked. Beq'qdahl sniffed. Quath suppressed her jangling mirth. Quath felt an idea percolate up from one of her subminds. Beq'qdahl's voice betrayed interest. Quath bristled. Beq'qdahl said ponderously. Quath spat back, Such a measure might not carry significant weight with the elders of the Hive, but Quath was determined to try. Beq'qdahl paused, obviously reconsidering. Their ship cruised along its approach orbit. The station ahead seemed inactive now. Its bays yawned empty, shuttle ships gone. A mech-slave signal peeped forth on the main board before Quath. A large craft hung near the station, probably the Noughts'. Beq'qdahl said. Quath said. Beq'qdahl said judiciously. Quath decided not to challenge this small lie. Quath relaxed somewhat. She watched one of the fleeing shuttlecraft on the horizon, where it took up orbit above the aura of the Cosmic Circle. Alarm shot through her. Beq'qdahl ratcheted her pods in disbelief. Quath cried in frustration. Beq'qdahl's electro-aura seethed with malice. 146 Gregory Benford Acrid hormones flooded the cabin as both of them suffered involuntary embarrassment. Their bodies acted to rid their lymph chambers of the corrosive chemicals generated by their sudden, spiky emotions. Quath said darkly, Beq'qdahl saw Quath's threat. Her head swiveled and turned indigo in confusion. Bitter cadences of violent color washed over Beq'qdahl. Quath said. Beq'qdahl said sourly. Quath recalled. It had seemed a small matter at the time they received their orders. Beq'qdahl added sharply. She still seemed to take that past battle as a personal affront. Quath answered diplomatically. Beq'qdahl fretted. Quart did not relish the prospect of having to run down one of the quick, darting shuttles, then pry it open and rummage inside for a sample Nought. They might easily squash them all and then have to go after yet another shuttle, All that, in full view of the thermweave crews who worked in preparing the great metal-mountains. Was there some other way . . . ? She poked at her subminds, rummaging for any notion that might help. They chorused their partial visions. Beq'qdahl said, Quath said brightly. FIVE The yellow-white hell soared away above Killeen's head. The walls nearly seeped a sullen red, but even this was a relief after the incandescent fury that dwindled now, a fiery disk fading above him like a dimming, perpetually angry sun. Killeen panted deeply, though it seemed to do no good. Prickly waves washed over him, bringing him unbearable itches that moved in restless storms across his skin. His lungs jerked irregularly. His arms trembled. Muscles and nerves fought their private rebellions and wars. But he had managed to keep his arms and legs straight. The light pressure would not have forced him in only one direction ff he had spun or tumbled. Had it been enough? The long minutes at the core had crawled by, bringing agonizing lungfuls of scorched air. Now the searing ebbed slightly. We are, after all, just another radiating body. We can only lose heat by emitting it as infrared waves. So we must wait for cooler surroundings before this intolerable warmth can disperse. His Arthur Aspect seemed remarkably collected, given the hysteria which had beset it only minutes before. "How... how 'bout that cooling thing?" You mean our refrigerator? It can only function by ejecting waste heat at a cooler sink. As yet there are no colder surroundings, as you can see. "So we wait till we get out?" It seemed an impossibly long time. Between his boots he could see the blackness of the planet's mantle, thousands of kilometers of dead rock they must shoot through before regaining the dark of space itself. And there he 147 148 Gregory Benford would somehow have to make good this attempt, or else he would slow and pause and then plunge again. He wished again that he had saved his thruster fuel. It would give him some freedom, some hope of being something other than the helpless, dumb test particle in a grotesque experiment. We do have some fluids we could eject, but . . · "But what? Look, we try everything. Got no hope otherwise." The refrigerant fluids. We could bring them to a high temperature and vent them. "Think it'll help much?" To lose the coolant meant he would have no chance whatever if he failed up ahead and fell back into the tube. He would fry for sure. I cannot tell how much momentum we picked up from that maneuver. Pushing a large mass such as ourselves with mere light pressure . ·· Killeen gave a jittery laugh. "I'm the mass here you weigh nothin' at all. And don't you worry 'bout calculatin' what'11 happen. Time comes, up at the top of this hole, I'll have to grab whatever's in sight. Fly by the seat of my pants, not some eee-quation." Then I should vent the refrigerant fluids? "Sure. Bet it all!" Killeen felt small icy rivulets coursing along his neck as he let the Aspect take fractional control of his inboard systems. I am warming the poly-xenor now. "And when you spray it, just use the spinal vents. That'll give us another push in the right direction. Could make the difference." Oh, I see. I did not think of this possibility. "Trouble with you Aspects is you can't imagine anythin' you haven't seen 'fore." TIDES OF LIGHT 149 Let us not debate my properties at quite this time. We are rising toward the surface and you must be ready. I believe the wall you face is nearer now. Notice the sparkling? "Yeasay. What's it mean?" That is where the mantle rock is forced by sidewise pressure against the passing cosmic string. It is disintegrated on impact. I cannot see whether it is somehow incorporated into the string, or whether it is simply forced back. For whatever reason, the rock is held back. Clearly, the cyborgs must relax this hoop pressure somehow, down in the core, in order to fill this tube with the liquid iron we saw before. "Maybe they just slow it down some? Let the iron squish in a lfl 'fore the next time the string comes whizzin' by?" In the midst of techtalk he lapsed back into the short, clipped speech of his boyhood in the Citadel. The carefully assumed veneer of Cap'n rubbed away under the press of action. Killeen fumbled with the suit refrigerator controls. He knew he had to understand more about the hoop. Possibly. Clearly the rotating string exerts great pressure against these rocks. Killeen watched the quick flashing in the walls. For him to see these sparks at all, they must be enormous, since his speed took him by kilometers of the ruby-red rock in an instant. He had no bodily sensation of speed, but knew from the 3D simulation Arthur ran in his left eye that he was rising toward the surface, slowing as gravity asserted itself. He had to find a way to escape the tube, but no idea came to him. He had nothing he could throw to gain momentum. The coolant jet throbbed behind him, but relative to the blur of motion in the walls he could not tell whether it did any good. It occurred to him that if he was too successful he would crash into the speeding wall and be torn to pieces in an instant. Somehow the abstract nature of these things, the dry, distant feel of science, frightened him all the more. The tube is flaring out. We are approaching one side of it, but I cannot judge our velocity well. As we rise, the hoop curves away to make its great arc outward. The majesty of it is impressive, I must say. No mechtech I have ever heard of 150 Gregory Benford matches this. Grey says the historical records suggest even greater works near the Eater. "Forget that. What can I do?" I am trying to see how we can use our situation, but I must say that a solution continues to elude me. The dynamics-- "We're gettin' close. Come on!" The rock around him had already ceased glowing. Beyond the walls lay complete darkness. He could not understand how he could be moving up from the center of New Bishop and yet still feel that he was falling. No matter; science was a set of rules to him, and this was simply a rule he did not comprehend. The tunnel was broadening. A shimmering golden passage flared gradually as he gazed between his boots at shards of light that rushed toward him. More vast lava lakes, brimming with angry reds. The injury to the whole axial length had brutally shoved great masses together, making the walls around him froth with the planet's jagged orange wrath. Again he thought of what would happen if he could do nothing up ahead. The cool logic of dynamics would, Arthur said, fling him back into the core. The heat would kill him on the next pass. Or if it managed only to send him into delirium, there would be an- other cycle, and another, and another He would bob end- lessly, a crisp cinder obeying simple but inexorable laws. Instantly he was swimming in light. Stars bloomed beneath his feet. A bowl of brilliant gas and suns opened as he shot free of the planet's grasp, above the twilight line. After the sultry darkness this sky was a welcoming bath of colors and contrasts. Out, free! He could feel his suit cool as it lost heat to the cold sky. It went ping, pop as joints contracted. Wrinkled hills rose above his head, the whole landscape stretching as it drew away. Here, too, was the stripped look, as though the polar ice had only recently been vanquished. The golden walls fell away from him on one side, but in front of him the radiance did not fade or recede. It was much closer. He had gained some significant speed, then. But now he was losing his speed along the tube. He watched TIDES OF LIGHT ,151 the planet above his helmet turn into a gigantic silvery bowl. The dawnline cut this bowl in half. A ruby skyglow of dustclouds and stars dominated the wan day. As he rose the world's curve brought into view a far-off scruff of woodland and stark, jutting mountains. Fluffy white clouds clung to shallow valleys. His rate of rise dwindled. The far side of the hoop-tube was bending away. In front of him the glow was brighter. He took a few moments to be sure he was in fact curving over along with the hoop walls. Could he see the flicker of motion from the rapidly rotating string? He had begun to think of the walls as solid, and now he became aware of their gauzy nature. The cosmic string can exert pressure only when it is very near you, of course. You will not in fact strike the cosmic string itself, I judge. "Thought you said it'd take off my hand." I have conferred further with Grey. She believes that normally a string would function like a scythe. However, this highly magnetized string is different. Until now you were moving with respect to the string at high speeds. Now you will have a low relative velocity, but only for a brief moment. At such speeds the string's magnetic fields will repulse your metallic boots and suit. "Huh." Killeen supposed this was good news, but the Aspect spoke as though this was just another dispassionate physics problem. "Look, you save any that cooler stuff?." Yes, I had anticipated that we might need another push. But there is very little. I needed it all to keep us from losing consciousness back there, and so-- "Get ready." Already he could detect no further shrinking in the wrecked face of New Bishop below. He must be near the top of his swing. "Fire it!" He felt the jetting pressure at his back. The glowing hoop-tube curled away like an opening funnel. Beyond he could see the gossamer surface generated by the globe-spanning cosmic string. It appeared now to wrap the world in a ribbony stranglehold. 152 Gregory Benford The venting at his spine gurgled to a stop. Whuum-whuum-whuum, the magnetic rotor sang. Vibrant, intense glow spread all around him. He windmilled his arms and brought his boots down toward the golden surface. It pulsed with freshening energy. He felt as though he were a fragile bird, vainly flailing its wings above a sheet of translucent, wispy gold. Falling toward it. Performing his own sort of experiment... The impact slammed him hard. It jarred up through his boots like a rough, wrenching punch. He had crouched, letting his legs absorb the momentum. Suddenly he was shooting along the surface of the sheet. It has conveyed impulse to you, an infinitesimal fraction of its spinning energy. Killeen felt himself loft slightly higher. Then he came down toward the sheet again. He had shot sidewise, away from the polar axis, going out on a tangent like a coin flung off a merry-go-round. He hit again. This time the jolt twisted his ankle. It felt like a hand grabbing at him, then losing its grip. But it gave him another push---outward. I estimate you are gaining significant velocity from these encounters. It is difficult to calculate, but-- Killeen ignored the tiny piping Aspect. His ankle ached. Was it broken? He had no time to bend over and feel it. The shimmering plain came rising toward him again, hard and fiat. He grunted with pain. The shock caught his feet and flung him off at a steep angle, twisting him with a sharp, wrenching stab. You will have to be more careful as you set down upon it. It can convey spin, but if your velocity is not aligned with its, there is a vector coupling, a torque-- "Shut up!" He did not want to set down on the golden surface again, the ghostly curtain that could clutch and break him like a stick. But the velocity he was picking up from the thing flung him sidewise, not up. Only his rebounding kept him above the flicker- TIDES OF LIGHT 153 ing radiance. If he slipped, tumbled, went shooting across the damned thing as he spun out of control-- The flickering golden sheet rushed at him. He struck solidly. This time his left leg shrieked with distress and he barely managed to kick free. The strobing glow seemed all around him. He was going to hit again. He windmilled. This time the shock was not as great but the muscles of his left leg seized up in an agonizing spasm. Blinking away sweat, a weakness came over him. His ears rang. He wearily spun himself again, slower this time because the motion hurt his leg. He expected to hit quicker but the jolt did not come. He looked down and could not judge the distance. The glow had dimmed. It took a long moment before he realized that the sheet was curving farther away from him, wrapping down to follow the arc of the planet. He was free. Out. In the clean and silent spaces. We are on a highly elliptical orbit, I gather. It should take us at a significant angle with respect to this hoop-plain. I cannot calculate the details, so it may be that we will return within its volume. "Never mind," he said, panting. We will need the information in due time, however, and-- "I doubt it, Look up." Obsessed with its own mathematics, the Aspect piped with surprise as it responded to what Killeen saw. Above them floated the sleek metallic body of the cyborg. SIX Quath made her way cautiously through murky warrens. After the buoyant vault of space, these tunnels and cramped corridors weighed heavily on her, their air clotted and musky. Around her surged the endless parade of working podia, bound on their relentless missions, clattering and banging against one another in their haste. Lesser beings of russet scabrous shells scampered underfoot, bound on their menial tasks. They had been hatched in the bodies of native animals, to save the Hive's resources. Genetically programmed, they worked with fanatic purpose, as though they knew their own short lifespans. Quath, though, went slowly. The presence inside her throbbed. The Nought kicked and fought, its puny jabs an irritant impossible to ignore. Her ceramic sensors saw it as a burning tangle of infrared deep in her guts. But it was not this small nettling that bothered Quath. She knew what lay ahead of her, and so dawdled, picking at her cilia as though grooming herself. Some tiny hatchlings approached and Quath let them police her carapace. They caught microparasites, which were the inevitable inconvenience of strange worlds: native mites who had already learned to feast on the leaky joint sleeves and porous sheaths of the podia. Soon, too soon, the great glowing cavern of the Tukar'ramin opened before her. Its murky mouth seemed to swallow all the certainties of her life. *You have done well,* the Tukar'ramin greeted her from high in the glistening webs. Quath preened at this ruby-flavored compliment, until she saw that Beq'qdahl had entered simultaneously from another of the innumerable tunnels that gave onto the Tukar'ramin's underbowl. Beq'qdahl did an artful dance with her many legs, accepting the Tukar'ramin's words as if they were directed at her alone. Quath 154 TIDES OF LIGHT 155 said, using the collective noun first for formality. Then, to irritate Beq'qdahl, she shi[{ed to first person. *What breed of Nought is this?* *Doubtless so, for it engaged that station and co-opted the mechs there. I had understood that we had total control there. Yet these Noughts infested with humiliating ease.* There was no doubt, from the grammatically past-imperative hormonal inflections, that Quath and Beq'qdahl were among those humiliated. Quath suppressed the impulse to cock her pods into a gesture of total apology and mercy-plead. Instead, she quickly transmitted a set of images and sensory details of the thing. These were taken after she had stripped it of its suit and weapons, back inside their ship. Quath said reverently. *Doubtless some such business. Absence of a pelt does suggest a highly sensory life, serving as it does to expose the surface nerves optimally. * Beq'qdahl hissed severely. Quath seized the chance to appear more shrewd. Beq'qdahl jeered. *We cannot be too careful here,* the Tukar'ramin said slowly. *This Nought may have intelligence and mastery beyond its apparent mawkishness. * Quath ventured to release a scent of confidence, edged with dangling, frayed filigrees of mature concern. She was about to add that she had kept the sample Nought for further study, when the Tukar'ramin continued thoughtfully, plainly without registering Quath's words. *Well that you disposed of them all, then. They are oddly able. Even one might cause hindrance to us.* 156 Gregory Benford Both Quath and Beq'qdahl fell silent. Quath struggled to find a way to agree and yet not divulge the truth, so she was glad when Beq'qdahl said, The fierceness of this declaration could not cover the underlying sweet cut of self-doubt that Beq'qdahl leaked from her unruly hind glands. *Reentry fires, you mean?* Quath bristled at Beq'qdahl's use of I when they had both done the searching. She quickly felt better, though, when the Tukar'ramin said forcefully, *You should have savaged them all!* Beq'qdahl choked with mortification and farted a foul cloud of orange fear. She managed to get out, *You were senior, Beq'qdahl. Can you assure me that these Noughts, who may even have the power to voyage between stars, are vanquished?* This was a deft diplomatic sally, mingled with pious fogs of humble oil, Quath thought. But it brought Beq'qdahl no credit. *Then set about making sure of your task.* *You are senior in experience. You both now sport six legs. Quath seems to be gathering her wits quite ably. I suppose you may call upon her for assistance. She acquitted herself well--perhaps better than you.* Burnt-yellow splashes of barely suppressed anger/anxiety shot up and down Beq'qdahl's thorax, but her voice remained crustfly formal. Pleased, Quath glimpsed a tinge of bluegreen envy betraying Beq'qdahl in her milky proboscis hairs. Beq'qdahl asked. *What? What?* Quath saw at once that Beq'qdahl had miscalculated. Waves of an unknown emotion jetted down from the Tukar'ramin. *Pursue these Noughts! Drop your mining. I have received word that the Illuminates themselves have taken notice of these events.* The very mention of these august entities stilled the chilly air of the great rock cavern. *Beq'qdahl, do not seek to vainly augment yourself when a vital mission awaits.* TIDES OF LIGHT 157 *You can begin with a task of some risk, since your errors have precipitated this trouble. Witness--* Into Quath came a picture of the station. Beside it, now damped firmly by crosshatched stays, was the Nought ship. Beq'qdahl began, Chords of vexed concern sounded through the unfilled spaces of the image, sucking Quath along with the Tukar'ramin's mood. *This little vessel is their conveyance. You ignored it. Perhaps some still cower within. Your task is to cleanse this eraft. Inspect, analyze! Find its inner minds. Flay them open for my inspection.* Startled beneath this torrent of stench-commands and acrid air-cuts, Beq'qdahl tried to protest. *Go] Now!* The sudden spitting-green anger of the Tukar'ramin startled Quath. She was grateful that Beq'qdahl caught the force of it, a yellow-white jet that scoured through Quath's sensorium. Beq'qdahl, in the full stream, backed away with trembling legs. The Tukar'ramin did not dismiss them, in fact took no further notice of the two scurrying forms. They scrambled away as the Tukar'ramin's bulk tugged itself up glistening damp strands into lofty darkness. Quath felt Beq'qdahl's jittery, addled state as the two scuttled away. On a subchannel Beq'qdahl sent her preliminary thoughts about logistics, search patterns, weapons--assembled impressively quickly, considering the blistering she had received. Quath's thoughts submerged beneath a rising distress. She broke away from Beq'qdahl and fled down a narrow shaft, letting herself fall in the hushed cool air until the depths of the warren rushed past. Somehow her petrifying fear of heights did not occur in the cramped chute. Heights in the open---or, far worse, flying--terrified her race. Beq'qdahl had overcome this, another reason to despise her. Her magnetic brakes pulsed. A passing food-cloud brought stinging encrustations to her eyes--yet it was as though she ambled in a dream. She registered nothing, consumed by the unspoken lie that she now carried within. The Tukar'ramin and Beq'qdahl and all the podia assumed that she had snuffed out the Nought after taking samples from it. They would expect immediate scrapes of skin and nuggets of brain, to better understand the pests. 158 Gregory Benford But the Nought rapped against her inner steel partitions. It thrashed and jerked and emitted foul odors. Perhaps the thing had even excreted inside Quath. What a risk to incur, all for Nought! Quath's levered arms began to pry open her innermost carrypouch to pluck out the Nought--but she slowed, tugged by flickering doubt... and stopped. This puny thing was indeed the same breed of Nought which she had slaughtered with valor in defense of Beq'qdahl. In the moments after her victory she had studied the carcass of such a Nought. That had helped her to cast off her fear of death. So for this one last Nought she felt an odd sense of connection. She had told herself at first, on the way down from orbit, that keeping the Nought alive was simply a way to be sure her samples were fresh. But once in the smoky, constricted warrens, she had begun to feel vague musings, strange lacings of sensation, canted views of her world. It was the Nought. At this intimate range, her probings of it had overlapped the Nought's own surprisingly complex sensorium--which felt to Quath like a spherical coil of brightly colored threads, writhing like languid serpents. Try as she might, she could not penetrate the knot. A small, oily pocket of exotic zest now seeped into Quath's mind. She could not give it up. Not yet. The thing inside interlaced with Quath's electro-aura, giving forth images and undefinable tangs. They led her down into a labyrinth of airless corridors, lit by scattershot, smoky fogs, brooding silences, lurid accelerations down unseen gradients. This small creature dwelled in a slanted universe blurred by currents, hormones, scents. Something in this tilted world caught in Quath. Blunt wedges of pinched obstruction bloomed bony-hard inside her. Her pale certainties splintered. The already shifty terrain of her oblique interior landscape warped and canted. But she had no choice, Quath thought. She must. The Tukar'ramin would banish Quath forever if she knew, cast her into a starved life of ragged foraging in the ruined lands beyond the Hive .... Worse, she could not merely yield it forth, no---too late for that. Quath had to slaughter the unfolding thing within her. Hide it. Mash the body into paste, pack it into porous walls where it could never be found, or recognized, or understood. Could she? Quath teetered on the brink. SEVEN Killeen could barely breathe. He swam in a cloying fluid, but when he opened his mouth to gasp it did not fill with the syrupy acid-tinged gelatinous stuff that surrounded him, buoyed him, made his every movement sluggish and impotent. Dreamlike, he thrashed. Swam. Punched angrily at torpid air that caught his fists in cobwebbed resistant softness, blunting every movement. Like a baby in an awful ambient pouch, he thought. Helpless and fearing birth. His skin was a stretched, livid thing. The burning he had suffered now returned doubly. A searing, itching sheet covered him, tight, a livid seethe. He ran numbed hands over his chest and thighs, and each touch brought an angry, prickly dart that launched small storms of heat across him. Something scratched at his mind. A clawing itch that worked its way inward. A stuttering run down his spine. Cool liquid pain. He braced himself against this sudden brute invasion. A tentative, telescoped presence slid by him in murky shadow. Tiny warm breezes licked him, featbering his hair. Something massive and deliberate circled. It moved in tides of light, fillgreed by dancing shadows that fiittered like small mad birds against the windowpanes of his mind. Abruptly he was not in the tight, rubbery air. Before him welled a streaming aura. Red and pink scraped and rustled. Shifting blobs drifted, eclipsing each other like sluggish planets. Their shadows played among blue traceries. He squinted, or thought he did. His arms and legs still swam in the gurgling, patient fluid that forgave all movement, but he smelled an acrid wind. Heard harsh clacks and clatters. Tasted 159 160 Gregory Benford blood and a biting, cool jelly. Glimpsed a foggy tunnel projecting away from him in ruddy, smoldering splendor. He realized that the cyborg had tapped into his sensorlure. It was sampling him--he could feel a blunt, chilly, awkward rummaging. Astringent light played along rumpled walls nearby. Slithery harmonics played somewhere, lurking just beyond clear hearing. And he had gained symmetric access to its warped world. A ledge studded with ornately shaped protrusions swept by. Without something he knew for comparison he could not tell how quick this motion was, but a sickening tug in his stomach told him of lurching acceleration, wrenching turns around corners, abrupt surges up seemingly impossible wall slopes. Gobbets brown and sticky rained down everywhere. They were languid, oscillating spheres that blew on a warm wind, voluptuous and fat. Killeen realized that a dim echo of the cyborg's hunger had leaked through to him, making his mouth water. A savory drop struck the wall and bounced, wobbly and fat and beckoning. The cyborg ate it. A rasping tang shot through him, not in his mouth but somehow up and down his chest, striking hard into his cock, squeezing his ass tight in an exquisite, ungovernable reflex. Killeen felt a stretched sense of something plunging through him, blundering. The cyborg accelerated. Killeen felt himself rushing with a rolling yaw toward a snub-nosed cylinder of white and orange. The cyborg did not slow and Killeen instinctively braced himself for a collision--which did not come. Instead, the cylinder swallowed them. What had appeared to be a protruding point was instead an opening. As they sped through hexagonal tunnels, banking up onto the side faces with centrifugal ease, Killeen began to get a sense of the place outside. Arthur said: Your eyes saw the cylinder as pointing toward us, because of the cast of shadows. Grey points out that the human eye has evolved to see by light from the sky, remember, and reads shadows with that bias. Here the glow comes from the floor, and more weakly from the walls. The shadows are therefore reversed, and mean the opposite of what your automatic reactions assume. "Can you change that?" TIDES OF LIGHT 161 No--such matters are buried deep in the brain. The cyborg sees by infrared, I gather. On a perpetually cloudy planet, the ground would often be warmer than the sky, and thus more luminous in the infrared. Such an evolutionary aspect would explain why these tunnels are floor-illuminated. Since we are receiving this cyborg's raw data, we process it with our bias and get exactly the upside.down result. To see as it does we would have to invert your accustomed perception patterns. "Look, how can I get quit of this?" Consider--such an ability probably implies that th ' · species, which has now o,bor-a: e,ongJ. nal g.ro. und. It no doubt foraged bove oro-,a ,cl. u, noer: ,,,u, out Imrarecl vs,on would allow it to see from the warmed walls of its burrows. Once occupied, their own body heat would allow them some dim wall radiance. Such ecological niches stress skills at construction and three-dimensional spatial abilities. Perhaps this explains why they are building the huge things in orbit. "Guttin' this planet, just so they can build bigger anthills?" Perhaps so; evolution is destiny, I've always believed. But there are other implications. talk."Somethin' we can use?" Killeen had listened to enough empty My first conclusion is that we're underground, doubtless. If we leave this pouch we're in, we'll wander quite blindly through a maze of tunnels. Hopeless to escape, I fear. Killeen grunted sourly. I advise caution. "Don't see it much matters what I do." Until we know why it brought you here we shoud remain flexible. Ki]leen tried to distance himself from the sensations that washed through him, tried to think. Despairing, he wondered what had 162 GregoW genord happened to the Family. He had gotten a distant impression, as the cyborg ship reeled him in, of other craft moving swiftly in the sky. His comm had squawked twice with human voices, faint and unintelligible. ' Has anyone survived? It was one thing for a Cap n to die in a chance encounter with a mech, or with a thing like this huge assembly of living and mechlike parts, and quite another to be cut off from your command, still alive while everyone you loved and honored was dead, killed by your own incompetence. He made himself envision possibilities. The cyborgs might tot have bothered to get Jocelyn from the Flitter. But unless she got to the surface, the Cap'nc¥ would go to Cermo automatically. He wasn't quick to lead in a crisis. The man would try, of course, but Shibo would probably have to make the hard decisions. She and Cermo could hold the Family together on alien soil. If any of them still lived · , · PART FOUR -- SUCH MEN ARE DANGEROUS ONE The pouch clenched and split and spewed him out. Killeen gasped for breath, as though he had been holding a single lungful the entire time--days? weeks? he was enclosed. The featherlight emulsifying fluid that had held him somehow managed to bring air and food in through his lungs, for he felt no hunger. He got to his knees, expecting to see tunnels in the cyborg warren. Instead a fresh, sharp breeze brought him smells of fragrant mold and dusty hills. His eyes cleared. Fuzzy patterns telescoped into crisp images, the world seeming to stretch and draw closer to him. He stood in a field of crumpled stone, weaving unsteadily. His ankles ached with the memory of slamming into the cosmic string's sheen of magnetic pressures. The cyborg rose like an unlikely natural encrustation behind him. Its double-jointed arms smoothed a fast-healing seam. Useless to run, he thought. He shook himself dry--though the moisture he felt seemed to be beneath his skin, not on it--while the cyborg clicked and hummed and watched him. They were alone together in a blasted landscape. In the distance Killeen could see what appeared to be a malformed hill but he instantly knew it was an entrance to some mech structure. Craters pocked it. It had the empty, defeated look of a skull. He felt a tickling throughout his body, like cold wires drawn slickly out of him, letting his arms and legs relax into smooth sausages of muscle. He wobbled. Images cascaded in his mind--silent, meditative, embroidered. Section views of Argo. A striking picture of something large and sticky-white, attached to descending, puffy-pale strands. 163 164 Gregory Benford Then, like a swift slap in the face out of nowhere, it let him go. His mind lost its pervasive, leaden fog. He felt a grimy wind stir his hair. The cyborg's massive bulk moved away. It had a long, lizardy tail that ended in an antenna, like the bulb of a leathery flower. The cyborg simply walked away, moving with surprising speed. Its many legs clacked and hummed. Killeen limped away across the broken land, sore and tired. Slanting sunlight brought a twilight glow to a far rumpled ridgeline of tawny hills. He stopped and leaned over to shake his head. Some milky stuff oozed from his ear and his hearing sharpened. Slime dripped from his suit. The cutting yet spongy-sweet smell of the eyborg's interior spaces clung to him. He began trotting. Soon his own sweat washed away the alien scent. For hours he made his way down a crushed valley. The cosmic string hung just above the horizon, its dull ruby-hued curve cutting across the shimmering of a frayed molecular cloud. Killeen remembered the perceptions he had gotten (accidentally?) from the cyborg--something about a temporary halt, stilling the cosmic string, to allow construction to catch up with the supply of vacuum-formed nickel-iron. Now magnetic fingers held the loop steady, a smoldering cut in the sky. Without its bright golden glow the slow coming of sunset allowed the far reaches around Abraham's Star to display their fitful life. Faint flashes wriggled deep within the glowering banks that hung beyond this cramped solar system. Quick bursts of saffron yellow seethed against a slowly gathering wash of blue. Vibrant pink discharged energies within a cloak of sullen brown dust. Spidery scarlet filaments formed and died and swelled again, as though beads of blood caught the setting sun and glinted with evil beauty. Killeen wondered ff these momentary effervescences that washed through dark sinews of dust were mechworks, or natural storms and tossings brought forth by the constant whirl of matter in the Galactic Center. Or could unimaginable tools like the cosmic string be at work there? He moved cautiously, using natural cover. There was plenty of it among the upturned stone slabs and jutting hummocks. The cyborg had returned to him all his equipment, even his shortarm rifle. His shanks were fully fueled. His Arthur Aspect commented: TIDES OF LIGHT 165 Indeed, they have far greater capacity. Your suit reading says there is more than one hundred kiloJoules stored in each fuel gram--far higher than anything Snowglade tech achieved. The cyborg has outfitted us well. Killeen moved cautiously, ignoring the tiny pleadings of his Aspects. In this strange world he relied on the instincts of his youth. His hunting senses were still tuned to the subtle graces of Snowglade. Here each detail was slightly skewed. He automatically searched each gully for a trap, sniffed the breeze for oily clues. A distant cone-shaped mountain gave the air an acidic tinge with a long, charcoal plume. The land needed rest. Everywhere once-proud eliifs had slumped. Layers of rock splayed out like decks of eards tossed aside by a bored gargantuan. Dust covered every ledge and narrow, and fat dirty clouds of it drifted lazily on the horizon. Yet here and there tinkling springs leaped into the air, frivolous fountains among ancient upturned strata. He stopped by one and let the stream play over his hands. Scooping some into his face, he tasted a distant, rusty echo of waters he had drunk on Snowglade so long ago. The internal heat liberated from the infall has worked outward from the core. I suspect deep-buried ice deposits are melting, providing this water. "Uh-huh." Killeen was not in a mood for techtalk from Arthur. Still less welcome was the piping voice of Ling. He needed to flee the clogged, solemn pockets of his mind; the cyborg had left a damp, musty smell there. It was time also to let go the control he had sustained for so long, while the cyborg rummaged through him. All that while he had run his mind from the top down, keeping consciousness in the foreground, a hard layer which his lower minds could not penetrate. Now he let his inner self emerge and relax, beginning to digest his wrenching experience and make his mind's peace with them. The simple fact of living, of survival, was a continuous miracle. He gave himself over to it. From Snowglade's raw battles he knew the sensation well, and relished it. Pain, grief, fear, rage--all had to flourish and ebb and find their places. Bemused, he released his Aspects--Ling, Grey, Arthur, even the lesser Faces like Budsand allowed them to play joyfully in a 166 Gregory Benford cloistered pocket of him, but without letting their squeaky voices snag his attention. They frolicked as they tasted the chilling air of New Bishop, caught the dusty fragrances. They talked to and through one another, minute presences strumming through his sensory net, streaming by integrating nodes and causative factor points. So much had happened to him! To avoid crippling disorder, he had to enlist his Aspects and Faces in at least a partial integration of his torments. Without the Family he was an odd scrap wandering this smashed world . ·· but he did not know if the Family lived. He had to keep himself together until he knew, even if that meant years of questing. So he focused on the crushed forests that he picked his way through, on the gutted plains and ruptured ridgelines that swept beneath his fast-flying boots. The limp was gone, his servos responded again, and now he was gnawingly hungry. Family Bishop had always been deft foragers, and he called up an old woman's Face to help him locate edible berries and leaves. She was a cranky sort, full of curt advice. Much of her lore did not apply to this strange world. She found tasty roots but squawked with alarm at the acidic leaves and ellipsoidal fruit he found. Tentative bites told him they were suitable. He prowled the wrecked forest. Trees had been slapped and mangled by a vastly casual malice. They slanted crazily, exposing their bowls of snaky roots. Leaves of exact, pale green circles piled high in streambeds, and small things skittered deep in them. Damp fiats were covered with tracks: three-toed, seven-toed, split-wedged, with some broad smooth pads. Killeen had never seen traces of such large creatures, and they filled him with respect for the past wealth of this place. His Arthur Aspect put in: All the cyborgs' work, of course. They emptied the tube we fell through. That kilometer-wide shaft caused the land to fall only the length of a finger here. "Huh? Take that much rock and metal out, seems like there'd be a big drop here, too." Not at all; it is a property of simple geometry. The loss is spread over the much larger surface area of the planet. Watch-- TIDES OF LIGHT 167 The three-color diagram that sprung into Killeen's right eye made sense, once he studied it, but even so--- "Droppin' a finger's length did all this?" All layers felt it. Seismic adjustments occur unevenly. up, "I'll say." Killeen was crossing a clearing. Suddenly a tan fountain sprayed showering water and sand on him. Ah yes. Hydrostatic forces still being released. The vibrations have made the soil here more like a slurry. Rolling, sea-swell tremors drove Killeen to make for more solid ground, drowning out the Aspect voice in his own panting. He found edible leaves and chewed them down with relish. The ground continued shaking and bucking, as if trying to throw off the scum of persistent life. Filled for the first time in what seemed like days, he began to feel better once he broke into a steady, loping trot. Over the next line of hills lay a mech city. It had been torn to pieces. Explosions had ripped apart immense factories. Much of the destruction seemed to have come from charges planted inside, as though someone had smuggled in bombs. Brown mech carapaces lay strewn everywhere. Something had scavenged the bodies for parts. Cyborgs, he guessed. He wandered in the hush of the ruined streets. No mechs labored to put this right. Nothing moved. At some intersections towers of ornately worked alloys rose. Killeen remembered the art of the Mantis and could not tell if these spindly things had some function or were intended to ornament the city. He felt uneasy in the mechworks and did not try to find food among the ruins. At sundown he still had not crossed the sprawling mechplex. That night he hid in a parts shed and slept. He awoke several times, pursued by fevered dreams. His time inside the alien returned and he strangled in jellied air, vainly swimming upward, his lungs scalded. Each awakening left his arms and legs clenched tight as though he had been fighting in his sleep. And then he would doze off and again the dream would come. Before dawn something moved nearby. He carefully peered out. A large animal was creeping closer. The largest creature he had ever seen was an old orange chicken back at the Citadel. This 168 Gregory Benford thing could easily eat the chicken in one gulp. Something about its large teeth told Killeen that this idea might be pleasing to the animal. Plainly it had scented him. After all his years of hunting mechs and being hunted by them, he had no idea how to deal with the animal. It came nearer. Its ears flattened. Killeen held his rifle at the ready. Silently he stepped from the door of the shed and stood watching. The animal froze. They remained that way for a long time. A strange sense of communion stole over Killeen. Its yellow eyes were clear and deep. Pale dawn seeped around them. The animal finally licked its lips with bored unconcern and walked away. It stopped at the corner of a storage bin nearby and looked back at him once and then went on. As Killeen set out walking again he realized his rifle was set for an electromag pulse. It would have had no effect whatever on the animal. Without thinking about much of anything, he felt conflicts within him flare and simmer and die. Beneath this world's calm, the natural clasp of life pealed forth its own silent message. TWO The day was sharp and clear. He found berries and edible leaves and kept going. Faint sounds from a second destroyed mech city made him skirt around it until he could find another route. From a distance the buckled ramparts reminded him of his last sight of the Citadel, at the Calamity. Innumerable times he had replayed that day in his dreams. The very air had seemed to roll and stretch, he remembered. Rippling radiances had washed the clouds even before the mech attack on Citadel Bishop began, giving them some warning. Not enough, though, for the mechs had thrown immense resources into their assault. His father had been at the center of the Citadel's defense. Despite the desperation that crept over them all as the first reports came in, all bad, Abraham had kept a calm, unhurried manner. Killeen had been nearby when the mechs breached a Citadel wall. Abraham had directed an effective flanking attack on the intrusion. Killeen had not even comprehended the mech purpose until his father's deft sally cut off the head of the mech advance and chopped the remnants to pieces. But then he had lost sight of his father in the hammering chaos of multiple assaults. Mech aircraft had bombed the central Citadel and the ramparts fell. Killeen had helped carry ammunition to the air-defense guns as strange lights filled the sky. They all had sensed unseen presences above the battle. When Killeen's wife, Veronica, died he had ceased to register very much. He had felt her death in his sensorium, since they were linked. But it had taken a long chaotic time to find her, to be sure. He stood on a far hill, looking back meditatively at the meeh city. Part of him relished the sight of the mighty meehs brought low. Another remembered the Citadel, and not only because of the city. The sky far beyond began to move with washes of pale 169 170 Gregory Benford luminescence in a way that reminded him of the Calamity. The luminosity was in the air itself, not the fainter play of colors in molecular clouds. The sight chilled him. Yet it also recalled his encounters on Snowglade with an entity which had somehow spoken through the magnetic fields of the planet itself. The thing had talked incomprehensibly of Abraham, and of issues Killeen could not follow. Recalling that, he wondered if the magnetic being had been at the Calamity, had lit the sky with its witnessing. Why should such a vast thing care for the doings of a small, inconsequential race? There were no answers. Killeen finally shook off the mood and moved on. The quiet of the natural world enfolded him. But then a biting sulfuric tinge filled his nose. A hollow bass note caught at the outer edge of his sensorium. A mech trace? It carried a strange sugary aftertaste, though, unlike any mech signature he knew. His sensorium translated its electromag-tags into smells because that was the human sense directly linked to memory centers; a brief whiff of an old odor brought long-buried memories welling up, often of use. Killeen slipped between the slumped trunks of trees that somehow still showed fresh green growth. The land had collapsed, but root systems seemed resistant even to the implosion of the planet. He flitted quickly among the tangled growth and peered ahead. Siiiggg!--something fast cut the air near him. He dropped into a dry streambed and strained to feel his way forward through his sensorium. Hot smells rang through him. He angled along a ridgeline and three more times the quick, thin wail sliced the silence. Something was shooting at him, but not well. A fourth bolt caught him slightly and he smelled a cutting microwave pulse. It had the pungency to blow out the inner structures he knew by the name Diode, but whose function he did not fathom. He felt his own Diodes clamp down, sheltering themselves. Silence. Cautiously they popped open. His sensorium filled with regained color and perspectives. He carefully edged up to the ridge rim and used a lightpipe to steal a glance over it. A lone mech was struggling up the opposite face of the ridge. Deep scars marked its thick shell. Bolts had crisped away the steel. Its angular design was unlike anything Killeen had seen on Snowglade. Without thinking he aimed at the mech and caught it full in TIDES OF LIGHT 171 the forward antenna complex. It stopped for an instant. Killeen could see no damage and he fired again. This time the mech clearly blocked the shot. His electrobolt ricocheted off into a ruby flare that momentarily lit the scene against the encroaching gloom of twilight. His Ling Aspect cried: This is a totally unnecessary risk! Run while you can. "Run long enough," Killeen grunted. He dimly saw that he needed to strike out at something, anything. Suddenly meeting a mech had brought out all his suppressed anger. He had seen sophisticated defenses like this before. Nothing in Family Bishop's weaponry could penetrate it. The chunky mech's treads caught on an outcropping. It swiveled, bringing projectors on its side around to have a full field of fire at him. Killeen ducked, knowing the fringing fields of a broadband microwave burst could catch him even well below the ridgeline. He hunkered down, gritting his teeth hard to tell his subsystems to button up. But nothing came. Not even a whisper. He risked a glimpse. The mech had flipped over and was burning. Through the curling black pyre he saw a cyborg approaching, its body a complex set of coupled, interlocking hexagonal blocks. Thick brown skin wrinkled and stretched as it made its way up from a broken valley below. A shot had blown open the mech. Its lateral carbosteel housing puckered outward into twisted fingers, a clear sign that the cyborg had somehow triggered an internal energy supply. Killeen decided to lie low. This cyborg was probably part of a team assigned to clear out any remaining pockets of mechs or humans. If he ran it could easily catch him. His only hope lay in the possibility that the cyborg had not registered his own small, ineffectual fire. He shut down all his systems again and moved to his right, downslope, seeking more shelter from the rocky ridge. The burning mech was so near that without acoustic amping he could easily hear the crackling and then a loud bang as some vat exploded. Standing still, panting, he thought he could hear the quiet approach of the cyborg: a rustling, clicking cadence as carbosteel limbs articulated. 172 Gregory Benford The eyborg's noise grew against the pop and snarl of the flames. It should have reached the mech by now. But the sounds did not stop. Instead the steady rhythm seemed to move to his left, skirting around the mech's pyre. And slowing. It was coming around on him from above. Killeen carefully backed farther downslope. The cyborg might not know what was over here; it would be cautious. Stealth was his only ally. He might be able to slip back over the ridgeline as the cyborg crossed, keeping low so that his opponent missed him. Then he would have a few moments to run. He strained to hear the whispery sound of the cyborg's flexing leathery hide. There--it was clambering up over the last shelf of rock which crowned the ridge. Softly he backed away. Time contracted for him and he heard each cyborg step, each swivel and adjustment of pads as they sought purchase on the steeply sloped stones. The alien was near the top now. KiIleen could not tell how far away it was. In the enormous silence, punctuated only by the snapping of the mech's oily fire, his natural hearing seemed to amplify each small sound into deep significance. Somewhere upslope on the ridge a pebble rattled down. Killeen heard it before he saw it bounce off a boulder and scatter fragments into the soil. His eyes followed the pebble's probable trajectory back into a saddleback where a shelf petered out. It had been a natural wash once and he guessed that a steep streambed led down from there, spreading out onto the other face of the ridge. Which implied that the cyborg had paused at the top, maybe resting but more likely just waiting, cautious, probing throughout the spectrum before it exposed itself on the other side. The saddleback was not far away. If he was right, the cyborg was reconning the far slope. But he did not dare power up any of his sensory net to check. Killeen set himself and in one quick rush was up and over the nearest jagged shelf. He rolled over the peak and down into a wash of gravel. He came up on his feet, feeling bulky and awkward without any of his inboard systems running. Sluggishly he ran downhill, his joints aching, looking for shelter. A glance back. The cyborg's tail antenna was disappearing beyond the saddleback as it headed down the other side. But the alien wouldn't take long to figure matters out. Killeen ran pell-mell, stumbling on stones and nearly sprawling more than once. There was no place to hide. The planetary TIDES OF LIGHT 173 convulsions had brushed this slope free of large boulders and the gullies were folded in, shallow. He searched for any minor cranny in the ridgeline, but the few small caves had fallen in. He ran completely past the burning mech before the idea struck him. The mech lay blistered and broken now, shattered by internal explosions. Flames began to gutter out. Thick, greasy smoke licked the rocky slope. Killeen chose a crimp in the hull just above the heavy tread assembly. He looked back at the ridgeline. Something moved there and he did not take the time to see what the cyborg was doing. He flung himself into the stove-in section of the burning mech carcass. He was caught immediately in a tangle of parts and smelly goo. Still no sign that the cyborg had seen him. Without his senso-rlure, the usual mech attack modes--microwave, infrared saturation, hyper-fichettes--would give him no sign unless they struck him square on. Cowering in the stinking jumble of the ruined mech, he felt a slow rage building. He had been chased and hurt and mistreated and he was damned if he was going to go out this way. He could wait for the cyborg to go away--assuming it did not return to harvest the mech for parts or scrap. But something made him peer out, wanting the big thing to lumber into view, wanting at least one clear shot at it. Ling barked in incredulous anger. Killeen instantly slapped the Aspect down. He listened intently but could pick up nothing this close to the smoldering fires. He would have to expose himself to see what was going on. Now that he looked closely at the mech body, he recognized housings and struts and assemblies like those he had yanked out of destroyed mechs back on Snowglade. The outer skin had looked odd, but apparently the same principles of basic design ruled among all mechs at Galactic Center. Carefully he inched out. Most mechs had visual detectors that registered rapid movement, and the cyborg seemed at least as sophisticated. He saw movement on the ridgeline. Coils of acrid smoke stung his eyes, blurring his vision. He began to wonder if it had been such a brilliant idea after all to hide here. All the cyborg had to do was amble up and overturn the mech body and-- Without any warning the cyborg appeared in his field of view, a watery image refracting through the pall of sour smoke. It articulated deftly over the broken ground, antennae swiveling. 174 Gregory Benford But it was not coming toward him. Instead it surged with startling speed across the broad wash of the streambed. A parabolic dish turned and Killeen felt a faint buzzing in his neck. Even with his sensorium deadened, the chips he carried along his spine had picked up the cyborg's burst. Such a powerful pulse could not have been simply a eomm signal. The cyborg was firing at something. Something that worried it considerably, for it now scrambled forward, its double-jointed limbs clashing with haste, its pads sometimes slipping on the loosened topsoil. Killeen bit his lip to try to restrain himself, but it was hopeless. Long years of training, the recent humbling capture--these combined to make him seize his narrow-bore rifle, the one inherited from his father and his grandfather before that, and jack a precious shell into it. He leaned against an aluminum strut and aimed with luxuriously deliberate care at the forward comm housing of the cyborg. He squeezed off the round. It struck the base of a big spherical web antenna, shattering it. The cyborg lurched visibly. Killeen knew that ordinarily he would never have gotten such an easy, unopposed shot. The cyborg must have been in serious trouble before it lumbered into view. Which meant that something was coming after it. More mechs. This cyborg had been unlucky enough to meet overwhelming strength when it was alone. Killeen made himself tuck the rifle back into his side sling. He had vented his rage, and already he felt a tug of regret. He had felt odd moments of connection with the cyborg which had carried him down from orbit and finally set him free. He owed that single cyborg some gratitude, perhaps. But the outrage perpetrated upon him had needed vengeance, by a law as old as humanity, and now that need had been met. He settled back into his cranny, hoping nothing had seen where his one shot had come from. The cyborg scrambled on, downslope. It was nearly out of sight before a ringing shot burst beside it, spewing brown soil into the air. Killeen blinked. Mechs seldom used ballistic weapons. They preferred cleaner, lighter, more precise electromagnetic means. Then a second shell struck the cyborg in its middle. That apparently cut a prime mental function, for the long chunky body convulsed, jerking in spasms of almost sexual frenzy. The cyborg turned on its pursuers. There was a desperate, TIDES OF LIGHT 175 abandoned look to the maneuver. Killeen sensed stubborn, fatalistic defiance in the cyborg's movements. Its arms came up in a clenched gesture, like six fists shaking in rage at once. It fired everything it had at something out of view. But its cause was hopeless. It lurched to the side and took another massive blow. Smoke poured from it. Small rattling bursts struck its natural, organic body, leaving shallow red craters in the rough hide. Without pleasure Killeen watched the thing die. The cyborgs were, for all their uncaring brutality and deep strangeness, based on natural beings, organically derived from the world. He had felt some strange respect for the one which had spared him, cast him onto this maimed planet. He was not happy to see one brought down by mechs, even though he himself hfid been among the killers. The faint calling came to him as he thought this, and at first he did not register it. Only when the small human figures came running into view, waving their puny weapons in triumph, did he understand. THREE The tent was worn and frayed and stained. Killeen wondered if this was for camouflage, since it blended well into the jumbled terrain. All during the walk here his escort had said nothing beyond curt orders. He had not been surprised that their thickly accented speech was in his language; it had never occurred to him that humans spoke more than one way. They had led him through rambling encampments of tattered tents and lean-tos of scrap and brush, past more people than he had ever seen assembled. Even the Citadel had held fewer Bishops than this. Flapping pennants with unfamiliar symbols suggested that this was a full Tribe. No such grand meeting had occurred on Snowglade within living memory. A woman in gray coverails pulled back a tent flap and someone poked Killeen in the buttocks. He walked in, taking long quick strides to avoid another poke, and to maintain some shred of dignity. The tent seemed larger from inside, with a high peak lit by a phosphorescent ivory ball. Oil lamps glowed along the tent's four oblique diagonals, casting blades of yellow down onto the heads of dozens of people. They were gathered at an orderly, respectful distance from the man at the very center of the tent. A black desk of polybind ceramic dominated the room. Killeen wondered if these people had carried that heavy mass around with them. It looked mechmade, smoothly curved and sculpted so that its sharp arc focused the eye on the small man behind it, lounging in a light metal chair. The figure did not seem impressive enough to merit the fixed, hushed attention of everyone else in the tent. He was short, stocky, with hair as black as the ebony desk. A long gash of sullen red ran from above his right temple down across the swarthy skin TIDES OF LIGHT 177 to the hinge of his jaw. Something had nearly struck his eye, for the mark burrowed into his heavy eyebrows. About a dozen men and women flanked the desk like guards. No one said anything. They were all watching the man eat a large piece of green fruit. Juice ran down his chin and dripped onto a white cloth set on his chest. The man's uniform was made of a cool-blue, light, comfortable-looking fabric unlike any Killeen had seen before. He smacked his lips. He was giving all his attention to his eating and everyone else seemed to be, too. The long silence continued. Killeen wondered if this show was for his benefit and dismissed the thought when he saw the rapt look on the faces around him. This was some sort of privileged, special audience, unlike any meeting of a Cap'n and his Family that Killeen knew. The man eating wore no signifying patch. The people nearby had makeshift uniforms of rough cloth, with insignia vaguely similar to the house emblems of Snowglade. Their faces, though seeming dazed, bore a certain intense look of authority. Some wore small medals of tarnished, ropelike silver. Could these be the Cap'ns of the legions he had seen outside? Finally the small man sucked on his snaggly teeth, smacked his lips, and tossed the remnant core of the fruit over his shoulder. As someone moved to pick it up the man leaned back and stretched, yawning, still not looking at anyone in particular. Then he seemed to notice Killeen and regarded him with unreadable blank eyes. "Well?" the man said. "I, my name is--" "Knees!" the man shouted. Killeen blinked. "What? I--" Someone hit Killeen hard yet neatly across the backs of his knees, knocking his support away so he dropped forward and hit the floor, barely managing to stay on his knees. "Signify!" a voice whispered near him. "I come from Family Bishop. I honor these lands of, of..." Killeen had begun the old greeting in hopes that some idea would come to him, but now he needed to insert the name of this Family. "Treys!" the whisper said. · . . Treys, seeking help in a time of dire need, against the depredations and torments inflicted by our mutual--" "Bindings!" the man behind the desk shouted. Instantly hands grabbed Killeen's arms and swiftly tied them behind him. He let them without protest, because of something he glimpsed in the man's eyes as the orders were given. The 176 178 Gregory Benford empty eyes had suddenly jerked with animated fire, a spasm of wrenching pleasure. The man stood up. Honorific pendants swayed from a broad scarlet belt that neatly bisected his blue suit. "He is disarmed?" A whisper answered, "Aye, Your Supremacy." "He understands his position in our cause?" The whisperer near Killeen hesitated, then said, "He is a Cap'n, Your Supremacy, so we did not feel qualified to instruct him." Evidently this transparent attempt to shift responsibility worked, for the swarthy man nodded calmly and spread his hands toward Killeen, as if addressing a problem. "I must attend to this myself, then." Abruptly he frowned at Killeen. "Your Family?" "Bishop." "No such." "We're not from this planet." "Never heard such." "We came here searching for refuge from the mechs." "Ha! You chose well. Here we have vanquished them." "So I see." "You see only that which I determine," the short man said reasonably. "You will understand that." "I, ah---" "It is the devil Cybers we fight now. They too shall yield to our bravery and ardor and spirits of fire." "Cybers?" His Supremacy nodded, eyes empty again. Lips pursed, expression expectant, he seemed to be listening to some distant voice. Then his attention returned and the muscles of his face stretched his olive skin so that it gleamed beneath the cone of phosphorescent radiance that cascaded around him. The brilliant ball directly above cast a pearly circle on the floor, with the swarthy man as its center. The crowd kept its distance, venturing only as far as the softer glow of the oil lamps intruded into the hard, white circle. He continued abruptly, as though there had been no pause. "They cut the lands with their great sword. Just as victory came to us, as the mechs fled before our assaults, these giant things fell upon us from the sky. Our triumph was denied. But we shall conquer!" This provoked loud shouts of agreement from everyone in the tent. TIDES OF LIGHT 179 The man looked expectantly at Killeen. "This action is, of course, a tribute to my immortal nature. They send against me the very worst that the evil-hinged skies can muster." His eyes left Killeen and shot around the room, moving intently from face to face beneath the oily yellow glow. His lips bulged out as if barely containing a vast pressure. "They compliment us! By sending their most awful and powerful, now that the mechs are rabble scurrying to escape our bootheels. They do us honor[ And they shall die." Abruptly he deflected his glowering, building rage down to where Killeen knelt, and in a long sigh the rage evaporated. In a blink his eyes regained their neutral emptiness. He said mildly, "And I am glad that you have come to aid in my time of need." Killeen said carefully, "I am alone now, sir. My--" "Supremacy!" a hard whisper in his ear urged. "I am alone, Supremacy, my Family--" "The Bishops, you called them?" the short man said judicially. "Yeasay, they--" "I had thought they were lying. I had never heard of any such Family, and fancied them wastrel renegade Deuces or Trumps." Killeen asked excitedly, "Bishops? Here?" "You understand, a mind focused on the defense of our race cannot but leave details to others. I reserve my time for commu- nion with the spirit that moves over and within and through us." "They're here, Supremacy?" The heavy, dark eyebrows arched in an expression of bemused interest. "We found them wandering. They had a story about landing in mech craft and escaping the Cyber air raids that we had seen the day before. I thought this a mere fashioned lie. Now that you appear--a Cap'n, I judge from your insignia--this explains it." "How many?" The man's face froze and Killeen realized that he had made some error. What could it be? Was his question too direct? The complete silence of everyone around him suggested that he could amend his mistake .... "Your Supremacy, ! beg you--yield to me the number who have lived." His Supremacy's mouth lost some of its tightness and he flicked a glance at a woman to his left. "Over a hundred," came the reply. 180 Gregory Benford Killeen's breath caught. Most of the Bishops had gotten out. "I shall cause them to be released," His Supremacy said grandly, his arms making a sweeping gesture. Everyone in the tent cheered, as though this were some unique act, as though this man who called himself by a ridiculous title had somehow saved the Bishops' lives. The swarthy man's face knitted into a reflective cast, his eyes wandering up to the peak of the tent. "I had judged them as scabrous cowards, laggards from destroyed Suits in the Families. As such, they were unworthy of any role in our grand assaults to come, and so would be used for labor. Fighting within our invincible Tribe is an honor not lightly dispensed. You understand, I am sure." "Uh, yeasay." The eyebrows met in a scowl. "Yeasay, Your Supremacy." The eyebrows parted and the face relaxed, the eyes again sliding into blankness. "Now they may take part in the heroic struggles to come. I expect you to assume command of them again, as Cap'n." "Yeasay, Supremacy, as soon--" "And sacrifices will be exacted." Killeen looked at the man but could not read his meaning. His Supremacy gestured and someone unbound Killeen's arms. Should he get up? Something in the way the short man stood, hands on hips and legs stiff, told him to remain kneeling. His Supremacy pursed his lips, eyes wandering again. He said distantly, "I understand, in my all-reaching facets, your confusion. You have voyaged here from some other sphere of human action, and that was as I wished. You moved in response to my injunctions, though ignorant and in darkness. I was the unseen force which drew you across the night canyons that separate the worlds. I desired it and sent my emanations to guide you." A murmur greeted this speech. Hushed exclamations of awe filled the tent. "Now you enter onto the full stage of human destiny." This speech had the ringing quality of a set piece. "Ah, yeasay... Supremacy. "I am the given. You have in this conversation verged on disrespect toward me." The eyebrows knotted. "Mayhappen this arises from ignorance. If so, now it is just and proper that I reveal to you my deepest nature." TIDES OF LIGHT 181 Killeen said guardedly, "Yeasay." The tent rustled with anticipation. Someone damped the lamps and shadows crowded the tent further. A hushed expectation rustled among the men and women like a sudden wind. "Witness!" The short man extended his arms and abruptly his entire body shimmered and glowed. Against the blue fabric a yellow skeleton appeared, like a second entity that lived inside the man. It moved with him, bones and ribs and pelvic girdle performing their rubs and rotations as His Supremacy stepped first to one side, then to another. Atop the curved spine a death's-head grinned, turning proudly. The bones worked smoothly, suggesting that a creature made of the pure, radiating hardness could walk and know the world, encased in its enduring strengths. It oozed ample light into the tent, cutting a blackness as deep as that in the unblemished spaces between stars. In these dim working shadows, with breezes flapping the tent like far-off thunderclaps, the intricate lattice of crisp light implied an interior race of invulnerable beings, harder than human. Its burnt-yellow jaw pulsed on an unseen hinge as His Supremacy said, "! am the essence of humanity itself, come to avenge and save. Through me human destiny will be made manifest. The mechs and Cybers shall be vanquished alike." In the thick, shadowy air his skeleton vibrated with life. Vagrant hues shot through the bones as they articulated, knotty joints swooping with artful animation in the framing dark. "Mortal?" he cried. "No. Mortality lies within me and yet I am not mortal. I am the manifestation! God Himselfl" Killeen gathered that this teehtrick was supposed to impress him. He let an expression of amazement settle onto his face while he tried to see how the moving rib cage and legs were imaged on the blue. "I am the immanent spirit of humanity, as given by Divine God! In this most dire and yet pregnant hour of mankind, the glorious truth is that I have been endowed with godliness entire. No longer does God act through me. He has become me. I am God! This is why the Tribe will follow me to its certain destiny. This is why you, Cap'n of the lost Bishops, will give your final effort to my cause, the cause of humanity's true God!" FOUR The human sprawl down the valley was broad and impressive. Two women escorted Killeen through the knots of Family gatherings. They were both Cap'ns but Killeen asked them nothing. He had allowed himself to be led into this massive encampment because the men and women who had found him insisted. But every sense in him shouted Caution.t These people were grim, silent, and the interview with His Supremacy had unsettled Kil-leen considerably. He remembered his father's wry advice: "Thing about aliens is, they're alien." That might apply to this distant vestige of humanity, too. Twilight cast slanted sulfurous rays across the wracked land, picking out details for fleeting amber moments. A wheezing old man passed, dragging a carryframe that dug deep ruts in the soil. Young couples held hands around smoky campfires, squatting together with their small babies. Beside a spitting orange lamp, a dumpy matron made an outraged face as she haggled with a trader over a plastic sack of grain. Children scampered among lean-tos, aiming and firing at one another with sticks and calling Family battlecries in hoarse, excited voices. Men sat solemnly checking and oiling weapons, the shiny parts carefully arranged on worn dropcloths, their scarred stocks held between bulging, augmented knees. A young woman leaned against a commandeered mech transporter, idly playing a lightly liquid tune on a small harp. She kept her boots and calf sheaths on, pneumatic collars gleaming and tight at her ankles, plainly still on ready-guard. But the music lilted on the tumbling breeze, promising a lightness nowhere to be seen. Here and there were rickety huts and stalls made of poles and canvas. Greasy fires inside them splashed ruddy light against the thin walls, amplifying every inner movement into pantomime shadow dramas. Crowds clustered around the brimming flames and in their faces Killeen read not the exhaustion he had ex- 182 TIDES OF LIGHT 183 pected, but a firm, silent, unassuming strength. They worked at their techcrafts, using the last glow of available light. Gangs unloaded mech carriers. There was a whole fleet of mech autotrucks as xvell. He was impressed at their high level of scavenging; this surpassed anything he had seen on Snowglade. Everywhere there were mech implements and a wealth of spare pats. Killeen asked for Family names and his escorts called them out as they passed campsites: Treys, Deuces, Double-Noughts, Niners, Septs, Five-ohs, Jacks, Aces. As they approached each group a guard hailed and they replied with code words. There was a plan to the camps, which he at first had thought just a random conglomeration. Each Family was deployed in a pie-shaped wedge, its long-range weapons facing outward to command a fraction of the perimeter. He passed a wide wedge of Family Niner, clustered beneath an array that poked 1ong-snouted rods skyward. "Skybolts," one of his escorts replied to his question. She snifiqed with a cold and her eyes were swollen. "Can knock down mechs." "How?" "Electromagnetic." "What band? Microwave? IR?" Her sunburned face tightened with suspicion. "Family business." "You a Niner?" "Naysay. Families keep their tech stuff to selves, though." "Your Family does?" "Sure. I'm Cap'n of the Sebens. Believe me, we got reasons." "Like?" Killeen persisted. "Old ways, from back in the days when the Families didn't have so much trouble from mechs." "I thought we were all united under the Supremacy." "His Supremacy." "Yeasay, yeasay. Look, how the Sebens fit in w'all the other Families? I can't follow all the Family names and--" "Old sayin', Seben Come Elebben. Only there aren't many Elebbens left now. Mechs cut 'em up somethin' awful. What was left the Cybers pretty well mashed." The woman's voice was like gravel poured down a pipe. Kil-leen could hear the edge of authority in it that Fanny had possessed. He said carefully, "Still, we united, why not share tech?" "Won't be secret then." 184 Gregory Benford "It'd help if we knew each other's weapons." "Howcome?" "Things get tight, more'n one Family can use 'cm." The woman shook her head. "You don't keep a craft to yourself, you lose it." "But--" The woman's exasperated shake of her head told Kil-leen this was useless territory to explore. He changed tack and said casually, "Must be hard, carryin' 'quipment big as all that 'round on your backs." "Seen worse." "Okay for holdin' someplace, like a Citadel, but--" "Your people had a Citadel?" This was the first sign of interest in his origins anyone had shown. Killeen wondered how concerned he would have been when he was running from mechs on Snowglade; probably not much. "Yeasay, a great one. Good air defenses." "We kept some our big weapons. Held off the mechs long enough, so's we could break 'em down, pack out the parts on carryslings." Killeen could guess the price paid in such a holding action, caught in the wild, unreckonable swirl of battle, crossed by deviant slants of deadly fortune. He said respectfully, "That stuff must slow you down when you hit and move, though." "That's true 'gainst mechs. Up 'gainst Cybers, though, you better have the heavy stuff or they'll squash you. Cybers're harder." "Howcome?" "They can read your tech straight out. Feel a ticklin' in your head and then it's gone." "You mean invade your sensorium, take your knowhow? But that'd kill you." "Don't hafta." She hawked roughly and spat a brown wad a hand's length in front of her right boot, all without breaking stride. Killeen said, "Where I come from, mech bothers to do all that much, it just kills you suredead long as it's taken the trouble." She nodded and coughed. Fifteen men came struggling up the path carrying a piece of mechtech that Killeen could not identify and the three of them stepped aside to let the party pass. She said, "I 'member when mechs did that. But they stopped when we started gettin' the better of 'cm." "His Supremacy says you had 'em beat." Grudgingly she said, "For a while." TIDES OF LIGHT 185 "How?" "We cooperated a lfl with some mech cities. Helped 'era take out their competition." Killeen was puzzled. "Other mechs?" "Yeasay. His Supremacy worked it out with 'cm." "Where I come from, we had some Families try that. Dangerous, though. The deals never lasted long." "Ours did. We'd smuggle stuff onto mech carriers. See, one mech city would give us fake supplies. Made up so looked like real thing. We'd slip in, get it onto a convoy headed from the outside fact'ries into the big cities." "Impressive," Killeen said respectfully. "How?" "Wear no metal. Crawl through the convoy's detectors real slow." "Sounds pretty slick." "Was. Kept us alive." Killeen said, "His Supremacy did all that?" "Yeasay. Started out cuttin' a deal for just his Family. Mechs they'd work for would give 'era protection. Once we seen how it went, whole Tribe was his for the askin'." "I saw some mech cities pretty well done in." "We did that. We'd smuggle in bombs, plant 'em." "Dangerous work." "With mech help we could get through the traps." "We never learned that," Killeen said, hoping to keep drawing her out. "Easy, once you know. We'd grab fancy stuff, 'quipment. Wish it'd gone on like that." "What happened?" "All sudden, no mechs aroun'. Least not many. Seemed like most were up in orbit. We'd see 'em at night .... " "Maybe they had more important business. Cybers." "We figured." "When was that?" "A while back, maybe two seasons--not that we had a decent summer, not with the clouds coverin' the sun most times." "And you skragged the mechs good," Killeen prompted her. She kept looking alertly around, a habit Killeen knew never left you after you had spent years running in the open. "His Supremacy, he said this was our big chance. We raided mech cities ourselves. Knew the tricks, see." "Ah," Killeen said appreciatively. 186 Gregory Benford "Hit 'em hard. Just when we're seein' our way clear, there comes five nights when there's big lightballs goin' off up there"-she gestured with a gnarled hand skyward--"and thunder comes down sometimes. All over the sky, loud as you please." They were passing a large roaring bonfire with hundreds of people packed around it. Killeen could feel the heat snapping off the flames. A low moaning song rose in the surrounding murk as the last traces of twilight ebbed. It was unfamiliar and yet carried a mournful bass solemnity that reminded him of the Citadel, long ago, and Family songs unheard for many years. The Sebens' Cap'n walking beside him made a gesture, eross-ing from shoulder to hip, through the belly and back to the opposite shoulder, evidently a sign of respect. The crowd blocked the path and they stopped. She whispered, "So then after that we don't see meehs much anymore. But Cybers we get plenty." "You ever see Cybers before these times?" "Naysay. Family Jack say they fought some Cybers long 'fore this, but my man Alpher says Jacks, they're always yarnin' on 'bout things they dunno ass-up 'bout. And he's right." A closed look came into her face. "Not that I'm sayin' anything 'gainst another Family united under the Supremacy, you understand." Killeen nodded."So the Cybers beat the meehs, you figure?" "Looks like." Killeen considered telling her about his experience in the Gyber nest and decided he hadn't sorted it out enough himself to make good sense. Instead he started working his way around the close-packed crowd. They were singing their slow song more rhythmically now, punctuating it with unnerving shrill wails that made his scalp prickle. All faces turned toward the crackling flames, eyes unfoeused and tear-filled. Killeen sensed the gravity of this Family ritual but it was unlike any he knew. A large red insignia on a man's shoulder told him they were Eight of Hearts. The three of them circled around and reached the rutted path just as a small cart emerged from the gathering amber dusk, drawn by six women. Killeen stepped aside for them to pass and at that moment the crows saw the cart and a collective sigh rose. Twisted, anguished eries filled the gloom, An honor guard flanked the cart, weapons at port arms. People swarmed around, pressing Killeen against the cart. He saw three bodies arranged formally on the flatbed, their arms at their sides. Each stared open-eyed at the night above, faces unlined TIDES OF LIGHT 187 and dispassionate above bodies that belied their calm. Two were women--scrawny, their skins puckered and lacerated. And each bore a massive bruise that spread down from her prominent collarbone to her belly. But it was not truly a bruise, he saw. The purpling had spread up into the women's breasts, pushing up ridges of yellowing flesh. The edge of the wound was crinkled and warped, as though something inside had tried to escape by prying off the chest of each woman, and finally had failed, and so was still lurking within them, the pressure of it forcing the ribs apart and making of their bellies and lungs a great swollen blister that peaked in a watery, transparent sac. The male corpse between them lay face down, ragged hair covering his head entirely. A bulge split the back of his uniform. Another glossy, stretched dome. His was ringed by a crusted brown scab like dried mud. The three were laid close together, just fitting into the width of the cart, so that the bodies could not roll and burst the tight, shiny, grotesquely bloated wounds. Killeen felt his mouth water with incipient nausea. He turned away, sucking the air through his teeth to take away the sudden foul taste that came through the air like a slap. Pushing out against the press of bodies, looking directly into the eyes that stared past him without seeing, he made his way back to the path. The two women were waiting. He whispered, "What... what caused..." "Cybers," the talkative woman said. "They do that sometimes, when they can get in close." "But... what..." "Infested, that's what those people are. His Supremacy says they must be cleaned, purified. Dealt with right." "Let's... let's go." She shook her head, the coils of her black hair wrestling like living ropes. "We leave now, it'd be disrespec'ful." Bodies pressed against him, their mute momentum carrying him toward the bonfire. In the wake of the cart the slow grave swell of the Eight of Hearts' mourning song rose. He watched as gloved hands drew the dirty, stiffening bodies from the cart. The corpses were laid out gently, the man still in the center and face down, and a single red heart made of cloth laid upon the head of each. Then a tall woman wearing a Cap'n's signifiers spoke, her voice well modulated and practiced and strong. Killeen did not follow the words. He was watching the bodies. 188 Gregory Benford As the corpses stiflened further their legs and arms jerked and trembled slightly, as though the rhythms that defined a Family's way--running, the endless succession of nomad flight---carried on remorselessly across the divide of death. Then the Cap'n approached the first woman, made a ritual pass with a long knife, and plunged it hard and sure into the glassy blister. The shiny dome broke with an audible pop. Milky fluids gushed all down it, over the corpse's face, running into the open rictus, covering the still-staring eyes, trickling down over the legs. There seemed an impossible quantity of the stuff and when it drained away the yawning husk of the blister cracked and broke under the Cap'n's repeated thrusts. She probed deeper. The point of the knife burrowed in and abruptly the body shook within, shuddering with a wet sucking noise. Something struggled inside, rocking the body from side to side, jerking, pushing the broken ribs farther out. A spasm, a last convulsion, and then the body went completely still. Snapped ribs collapsed inward. The dead woman looked shrunken, emptied. In final rest her face now resembled those of her Family hemming in the spectacle, a blade of a nose between prominent cheekbones. Her eyes seemed to sink beneath the darkened lids. A tiny insect crawled out of one nostril and lingered on a bloodless lip. The Cap'n pulled out her blade. Pinned on its sharp point was a thing hard and brown and chitinous that still wriggled with frantic energy. It was tough but somehow unformed, as though legs and head had still to push their way out of the moist, interlocking brown segments. It fought the knife, twisting. Then suddenly the life drained out of it and the thing went limp. The crowd backed away. The Cap'n threw the brown mass to the ground. Instantly a woman leaped forward and crushed it with both boots. She cried out something Killeen could not understand, a shout of anger and sorrow and despair. Then she backed into the crowd again. Men and women nearby clasped her, passing her among them, hugging and sheltering her with soft murmurings. The Cap'n did the second woman the same way. Killeen watched numbly. This time a man crushed the brown thing. It snapped like the joints of a hand being crushed. The man sobbed as he did it and stamped the thing again and again before going back into the crowd. The blister on the man's back was larger than the women's. TIDIES OF LIGHT 189 The bulge was thinning, growing translucent. In tiny movements the skin pulsed--a convexity here, a concavity there, until the whole back and chest of the man was alive with purpose. The trunk of the body was unrecognizable now, save for the parentheses of ribs that yawned aside to frame the quaking fleshy hill that rose and throbbed. The Cap'n of the Eight of Hearts quickly brought her blade up, calling out some ritual words. Before she could plunge it into the man's back the blister began to split. Milky ooze gushed out. Dark cracks ran down from the summit. Something crabbed and small pushed itself out into the flickering firelight. It scuttled away. The Cap'n did not hesitate. She slammed the knife into the thing as it ran down the corpse's leg. Small legs fought and scraped their way up the blade. But the knife made its point. A collective sigh rose from the crowd. The three bodies were flaccid and spent now. Their nearest relatives--for all present were related, however distantly---came forward to accept the honor of burial. Killeen made his way on wooden legs away from the roaring, snapping bonfire. Regaining the path, he said hoarsely to the Sebens' Cap'n, "That's what the Cybers do? Plant their, their seeds in us? They don't even let us die straight and clean?" The sunburned woman answered, "Yeasay. Only those lfl things, they're not Cybers." "What, then?" "Some kinda lfl scrabblers. I seen 'em doin' small jobs, followin' Cybers. Sometimes climb up on Cybers, pick at their joints 'n' stuff." "Like fleas?" "I'd guess." Killeen said disbelievingly, "Just use us for hatching out fleas." "They leave us lyin', few hours later out comes those things. Or they'll kill clean from the distance, if they ain't got the time." "What they use mechs for?" "Dunno. Parts, maybe." Killeen sucked at his lip to hide his queasiness. The woman said, "Cybers're worse 'n mechs, plenty worse." The woman who had said nothing until now put in bitterly, "Damn sure, but we'll triumph. 'S God's way, givin' us a trial." They moved on through gathering murk lit by oily fires. Above them the sky yawned and flexed. FIVE TO Killeen the look on Jocelyn's face was abruptly, immensely funny. She gaped, eyes and mouth making big round Os. They embraced, then, and the other Bishops squatting near a small sheltered fire leaped up loudly and were all around him. Cermo slapped him on the rear and hugged him and the rest went by in a heady, quick, intense blur. Faces and laughter released into the cooling night air a fervent joy as word spread and shouts went up and answering calls sounded among the converging forms that sprang up from nearby campfires and came running, voices raised in excited and disbelieving celebration. Then Toby was there, his face haggard and gray even in the warming glow of the crackling flames--which someone had already augmented, summoning forth a welcoming rush of heat and crisp radiancc -and Killeen lifted his son into the air, swinging him around in a sudden hard blossom of feeling, finding the boy's hefty weight surprising. "What, why, how--?" the voices asked, but Killeen shook his head, his throat filled and his world blurred. Toby needed no explanations, just yelped and laughed the way he had in years past, before the protracting processes of coming to age had caught him up. Killeen laughed wildly and turned to see more--glorious clumps of Bishops, a flood where he had only hoped for a trickle--all rushing in, crossing the last faint blades of dusk. His throat hurt, to feel himself again at the center of all he truly cared about---centrfugaflY spun out into the Family that in turn came streaming inward from the darkness to enclose him. Questions bombarded him and seemed to be not separate ideas but merely the means that the Family used to draw him again back into itself. And then in the brimming firelight, cutting through the mad talk and shouts, he saw her. Hanging back, hands clasped behind her so that they could not betray her emotions, eyes batting furiously as she reflexively contained herself, mouth warped by inner anguish, eyes moist and plaintively wide, Shibo. 190 TIDES OF LIGHT 191 She did not plague him with questions, as the others did. Shibo invoked a time-honored Bishop custom, whereby a woman may withdraw her man from Family matters if he is wounded or distraught. Never had Killeen heard of such privilege used for a Cap'n, but he raised no objections. He let Shibo guide him to a boxy tent of odd design, and there seemed to fall into a musky warm pit. He ached everywhere. The fear and anguish he had suppressed were lodged in tight muscle complexes, gnarled deposits in his sensorium like granite nuggets in a bed of sand. Each stored increment awaited only a release of control in order to speak its pain. Shibo said little, simply began singing a high, drifting song of ancient deeds, as his clothes slid from him and a tracery of warmth crept across his filthy skin. She applied the heavy scented oils and scraped them away with a honed stone blade. His skin shrieked at the cleansing and then simmered into a tingling glow. She moved over him, gauzy and ghostly and light, and seemed to pluck words out of his throat, so that the story seeped from him involuntarily, oozing through his skin as it answered her hands. His sensorium trembled and snagged on her moist breath, on the quickness of her. He could feel her own despair and bleak days, lacing the air between them and merging with their desire. They were together in a new place, a zone they had never penetrated before because for years now life between them had been mild and calm and incapable of reaching deeply in. They pressed, pressed. Sank into each other, bone into bone. Killeen felt angered by the stubborn flesh that resisted with its mulish weight their blending; he wrestled with the sheer lazy obdurance of their bodies. Shibo bit and pulled and strained and they became thin wedges driven into each other. Their bodies were left behind. Together they glided in sailing, recessional spaces. There was a long interval without a tick of time. Then, casually, Killeen heard a distant muttered conversation. The ringing clatter of someone fumbling with metal. Crackling of fires. Children's weary giggles. The world had started up again. "Ah," Shibo said, eyes heavy-lidded. "Here." They lay together in each other's arms and laughed. Killeen felt a whisper of ache in his lower back and knew he had not banished all the past, never would. 192 Gregory Benford They had come back from the silent spaces. A blank and yet expectant pressure came upon him. Facts, facts, yes. Always the blunt mass of facts. They were stranded in a ruined land, besieged by two breeds of hostility. The Family dwelled in the close embrace of a strange strain of humanity. His plans for New Bishop were dashed forever. Escape seemed the only solution, yet--if he understood the mottled, warping time he had spent in the bowels of the alien--the Argo was captured, lost. Killeen curled up against Shibo and let himself seep into the musk of her, seeking a moment more of forgetting. SIX Plips and plops of rain dampened his spirits. Pale morning cut through a mass of purple cloud. Killeen huddled under a lean-to, sheltered by a tarp that flapped in a cold wind that seemed to be racing to catch the storm front. "Looks like clearing," he said to Jocelyn, who squatted nearby. She surveyed the low, jumbled valley where dozens of breakfast fires sent threads of smoke slanting up the sky, blown by the wind. "Hope so. I'd hate running in this mud." "I been thinkin' the same. How come they camp like this, a whole Tribe rubbin' elbows?" "His Supremacy says so." Her face was blank, eyes giving nothing away. He bit into a grain bar. There were weevils in it. Well, there had been weevils in the Argo, too; pests were eternal. But here humans themselves were pests. "Mechs'd smash this place," he said, "if they knew they'd catch so many." "Near as I can tell, mechs don't matter. They've got 'nuff trouble with Cybers," Jocelyn said. "Okay, how 'bout the Cybers? Those campfires last night give us away. Howcome they don't hit a big crowd like this?" "Not their style." "Who says?" "His Supremacy." "And what's he? He put on a show last night, was all I could manage keepin' a straight face." Jocelyn's brow creased with a disapproving frown. "Don't make even small fun." "Everybody crazy as he is?" "Come look." Killeen didn't feel like creaking over the muddy terrain but something in Jocelyn's voice made him follow. He felt every joint 193 194 Gregory Benford and servo like heavy damp wedges moving in his legs. He had run a fair distance yesterday, and hiked some of the night with the party that brought him in. Along with the crew he had exercised in the g-decks of Argo to keep muscle fiber. Optimistically, he had expected that the lesser gravity of this world would help. Not so. The rain brought a special dull ache into his calves and lower back, making him hobble around all tight and gimpy, hunching over the way old men did. He was mulling this over as he grunted up a steep hogback ridge behind Jocelyn, and wasn't ready for what he saw on the other side. A large steel girder was stuck into the ground so that it stood nearly upright. A woman was tied to it, head down. Her purple tongue stuck out between clenched teeth and her eyes protruded. "Ah, ah, pl-please . , ." she croaked. Killeen stepped toward her, unsheathing his knife. "No." Jocelyn put a restraining hand on his shoulder. "Touch her and you'll be in trouble. We'll all be." "Ah, please . . . hands . . . God..." Killeen saw that the woman's hands were swollen and blue where wire tied them to the girder. At her ankles wire cut into grossly large feet, dark with congested blood. "I can't let--" "We've all kept clear. His Supremacy says anyone who helps them gets the same." Jocelyn's voice was careful, controlled. "Why's she up there?" "She's an 'unbeliever,' as they put it around here." "An unbeliever in what?" "In His Supremacy. And their inevitable victory, ! guess." "This is . . ." Killeen's voice trailed off as he looked beyond the woman's pleading, reddened face. In the narrow gully three more girders had been jammed into the soil and kept nearly upright with stones. Each held an upside-down body. He remembered suddenly the "art" that the Mantis had displayed years ago. Human artworks. These crude monuments to human evil had a strangely similar quality. He took a few steps toward them before he saw the cloud of insects that whispered and buzzed around each. He approached the nearest on wooden legs, scarcely believing the sight of hundreds of mites swarming over the inverted body. They buzzed angrily as he came near and stooped to see the congested, blood-black face. "This is Anedlos]" Killeen cried, TIDES OF LIGHT 195 Jocelyn tugged him away. "Don't look. They put him up days ago. Yes'day he died. Other two are Tribe--from Card Suit." Stunned, Killeen stammered, "Anedlos--Anedlos was a good crafter. He... he..." "He wouldn't take part in their religious service. He argued with His Supremacy." "And for that--" Killeen made himself stop, try to think. "What did you do?" "His Supremacy? I pleaded, but--" "Pleaded? That's all?" "What could I do?" Jocelyn asked defiantly. "Tell that maniac that nobody hands out justice in Family Bishop 'cept Family Bishop." "That's... that's not the way things work here." "No decision by the Tribe can set aside a Family's justice, you know that." Jocelyn spread her hands in a gesture of futility. "Old rules don't work here. His Supremacy says he's God's embodiment and what he says is law." "He's crazy." "Yeasay, but he has many, many Families who think he's God." "Killing mechs doesn't make you God." Jocelyn shrugged. "These Families, they always had Gods and stuff. His Supremacy pulled it all together some way." Killeen remembered the Nialdi Aspect he had carried years before, an ardently religious man. Nialdi was never any real use, though the Aspect had given guidance to Cap'ns down through the ages. As soon as he became Cap'n, with power over Aspect assignments, he had put Nialdi in chipstore. Religious fervor... typically arises in times... of unsettling change. End of the Chandelier Epoch saw... much ardor... Nialdi . . . came from... shortly after... seems likely His Supremacy carries . . . several such personalities . . . and may give him . . . charismatic power ··· over the Tribe... His Grey Aspect whispered weakly. Killeen saw her point. Nialdi applied the apparent truths of that time to the present. His Supremacy was doing the same. Maybe the trick of hiring his people out to mech cities had given the man enough power to let the underlying powerful Aspects come into play. 196 Gregory Benford Killeen said, "Still, we can't let--" "Look," she said heatedly, "I been tryin' ever'thing. His Supremacy put me in charge since we thought you were dead. It's all I can do, just getting food. We were pretty bad off when we landed. These people took us in. We're lucky--" "Crazy man will do you in bad, you follow him," Killeen said, exasperated. He stalked back to the woman, unsheathing a tool to unwind the wires. They were hard to free because the wire had cut deeply into her wrists. Before he was through he saw that blood was running out of her mouth, spattering the gray mud and mingling with the spitting rain that came blowing into the gully. She was dead. Back in the Bishops' camp he assembled Cermo and Joeelyn and Shibo and questioned them closely. He started with the escape. Shibo had led the flight from the station. She had even reactivated the Flitter where Joeelyn was hiding. The Cybers who captured Killeen had ignored the eraft. As soon as they moved away and lifted their control of it, Shibo had commanded it to join the dispersed Flitter fleet that carried the Family. They had been very lucky. When the cosmic string stopped spinning Shibo saw their chance. Her deft handling of the shuttles' microminds had brought them on a steep dive into the atmosphere. One shuttlecraft had come apart with four Bishops aboard. She guided them to a rough landing a day's hardmarch from here. They had come down at night. The watch here had sent a runner to see who they were. "Thing is, who're they?" Killeen asked. "Tribe of Cards. They've got pasteboards they play games with, got their Family names on 'em," Cermo said. His face was drawn and crusted with beard. "Urn. Seems funny, makin' Family from some game," Killeen said. "But they're all we got here." Shibo said, "A Niner told me our Families come from a game." Killeen snorted in disbelief. "Bishops 'n' Kings 'n' Rooks?" Shibo shrugged. Cermo said, "I bet they made that up. Just 'cause we thought was funny they're named for lfl cards." Killeen said thoughtfully, "We got lot in common though. Tribes, Families, even same rules." Shibo said, "Must've come from same place." TIDES OF LIGHT 197 Jocelyn nodded. "His Supremacy says we're all from same Chandelier." Cermo asked, "How's he know?" "His Aspects," Jocelyn said. "I bet Aspects kept us all 'bout the same. Rules and such--Aspects're big on those." "And talk," Killeen said. "Aspects always nag about speakin'." Shibo said, "That might explain why we can still understand these Cards." "Makes sense," Jocelyn said. "Our language changes, we couldn't understand our Aspects. Or trade 'era with these Cards." Killeen said carefully, "Who says we'd do that?" "His Supremacy," she answered. "Why?" "Pool our tech." Killeen said, "The Sebens' Cap'n didn't seem interested in that." "Well, His Supremacy says he wants to check out the Aspects the Bishop officers use." They looked at each other. Shibo said, "Maybe he thinks we don't have enough God-loving Aspects?" Jocelyn said, "All I know is what His Supremacy tells me." "Which sure's not much," Cermo said. "I can deal with him," Jocelyn said proudly. "! got us food and tents." Killeen remembered how, years before they left Snowglade, the Family had been surprised at night and had to leave behind all their bedding and tents and a lot of cooking gear. Though they had fallen far from the wonderful, hypnotically exotic comforts of Argo, he was glad to see that the Family had adjusted quickly to the hardships of the land. Nearby a metal-crafter was fashioning a carryrack from some wrecked mech tubing. The Bishop camp stirred with effort as old talents came into play again, and Killeen could see on faces a reborn confidence that came from finding the old methods still good and true. He covered the arrangements Jocelyn had made with the Tribe, details of supplies and food. He dispatched fifty bishops to help with the day's foraging, which was conducted as a coordinated effort ranging far from the Tribesite. There were many matters of Family business to straighten out. Killeen had to decide how to reconfigure the Family's elaborate sequence of order- 198 Gregory Benford giving, since they had lost the four in the shuttlecraft and, of course, Anedlos. That matter Killeen dealt with, speaking between clenched teeth. "We won't take such treatment. But we'd better look sharp till we understand things better." His lieutenants nodded. Even as he went on to discuss other issues he knew that there was really nothing he could say that would inspire much confidence among them. The plain bare facts of their predicament spoke in the barren plain. Here they squatted in the ancient manner, ready to jump up and move at the slightest alarm. They had lost everything, the Argo and their dreams as well, in the span of a few days. It was Shibo who made their thoughts plain. "Comes a chance, I say we get back aboard Argo." "Wish you could've gotten control of it," Killeen said gently. "Could've gotten away then." "Naysay," Shibo countered. "That Cyber ship that got you--it moved lot faster than Argo. Could've caught us easy." "It took off after me, though. Caught me on the other side the whole damn planet." "Only after we'd left in the Flitters," Shibo countered. "Guess they wanted me," Killeen said lightly, trying to slip by the moment. "For what?" Jocelyn asked. "Gave me a lookover, let me go." "Sure that's all?" Jocelyn eyed Killeen. Was she trying to raise suspicions? "Can't explain it. Just lived through it." Jocelyn picked at her coverails and said nothing. Killeen felt some uneasiness seep out of his officers. The simple presence of a clear leader helped. He had learned from Fanny the value of putting past errors and disputes behind the Family. Abraham had been a genius at that. Killeen knew he lacked his father's lightness of touch at moments like this. To break the mood he slurped from a cup of warm brown fluid--and then abruptly spat it out. "Send out a small party, the five with the best noses," he said. "See if there are any jodharran bushes in this godforsaken place. We could brew a decent drink, at least." Cermo gulped his. "This stuffs not so bad." Killeen wrinkled his nose. "Tastes like mechpiss." "Yeasay," he agreed. "Got some good features, though." TIDES OF EIGHT 199 "Like what?" "Well, it's not addictive." They all stared blankly at one another for a long moment, and then from Cermo came a mild chuckle, and a guffaw from Jocelyn, and then they were all laughing, the yelps and rattling coughs issuing from them as though from deep internal pressures, bursting forth into the rain and chilly air like small cannon shots, explosive assertions, little gestures against bleak fortune. SEVEN Dawn of the next day brought a howling flurry of dust that sleeted through the stinging air. It came as work started on breakfast. The Family Niner campfire got out of control. A moaning wind swept it in angry gusts. The flames blew into tents and across the spare dry grass. A pall of smoke rolled through Family Bishop's grounds and Killeen hurried to pull a team together. Nobody wanted to come, of course. The wind snatched his orders away and that made a good excuse to not hear them. The fire was the Niners' fault but that wouldn't matter much when it reached them. He had to haul more than a dozen men and women out by the scruffs of their necks. They advanced into the teeth of the gale, clawing away the grass before the tongues of orange that leaped forward with blurring speed. They couldn't get control of it. They linked up with a brigade of Niners who were devoting most of their effort to getting tents and equipment out of the way. Killeen argued with their lieutenant and got nowhere. He didn't dare leave his own team and search out the Niner Cap'n, or he might well return to find that most of the Bishops had gone back to protect their own valuables. The biting dust made it easy to slip away into the billowing banks of grit that skirted along the ground like huge dirty brown animals. There was no good solution so Killeen sent a runner back with orders to muster the whole Family, and set to work. With trenching tools they cut a broad gap before the leaping flames. It was impossible to face into the storm, with its smarting flame and stinging sand. They stopped the fire just before it reached a stand of dead trees, uprooted and dried out, that would have gone up in a rush, spreading cinders everywhere. The wind trickled away as suddenly as it had come. They stomped out the remaining flames and went back to their camp and found dust everywhere. Every tiny crack in a tent let in TIDES OF LIGHT 201 powdery drifts of the stuff. Killeen and Shibo were sweeping out their little tent when Toby came ambling along, hands stuffed into his side pockets. "Knew I'd be glad I pitched in the open," he said happily. "Yeasay, I saw you hunkered down under somebody else's shelter yes'day, when it rained." Killeen grinned. "All dried out now." "You just sleep in a bag?" "Got no bag, don't need one. Suit keeps me warm." Toby had on his full running gear--aluminum pelvic cradle and shin servos and heavy carbosteel shank shocks. "Must get tired, haulin' all that around," Killeen said. "I like 'era," Toby said, sitting down and adjusting a com- pressor lock. "Traded some my 'quipment for 'cm." "What'd you give?" "Some backup chips I had in my shoulder." "Those're Family chips." Toby looked edgy. "Well . . ." "They ask for any old religious Aspects?" "Huh? No, no, notbin' like that." Killeen felt relieved. He was sure His Supremacy would eventually try to get chips away from the Bishops simply because knowledge was power. On the other hand, he shouldn't mistake every minor incident as a vast portent. "What'd you give?" he repeated. "C'mon, Dad, I'm carryin' tech chips nobody'11 ever use again." Killeen kept his voice fiat. "Like what?" "Buildin' stuff. Puttin' up walls usin' mech parts, like that." "We might need that." "When? Can't build anything here." His voice finally got away from him, turning sharp. "We'll find someplace. Build a Citadel, one bigger'n the last. Better, too--only we won't know how, 'cause you gave away the knowhow." Toby said sarcastically, "That time comes, I'll just trade 'em back. If I'm gonna settle down, won't need trekkin' gear." "You'll find whoever you gave the chips--" "Two Niner guys, it was. And I traded 'em square, didn't give 'em--" "--and trade whatever you must. Just get those chips back." "Dad!" Toby sprang slightly into the air, driven by his compressors. "I can't just go--" "You will. Family property stays in the Family." 202 Gregory Benford "Look, other people're tradin'. It's natural." "Who?" "How you expect we got runnin' gear, tents, cookin'--" "Make it, same's on Snowglade. Who?" "There's not enough meehwreek around. And shapin' it would take--" "I saw parts over at the Niner camp. Scrounge some, set down, 'n' start usin' the craft you got stored in you. Now who else?" When Toby had told him the names of four others, he called Joeelyn and gave her the job of finding them and getting back the gear they'd bartered. He could see from the stiff set of Joeelyn's mouth that she didn't like the job but she went off to do it without a word. Killeen stood watching Toby making toward the Niner camp. He was vaguely aware that he could have handled matters better. Shibo came over and slipped an arm around him, nuzzling his cheek wordlessly. He grunted with frustration. "Hard to switch back to father after bein' Cap'n." She nodded. "Toby's seared, like us all. Needs something that gives him a lift." "I can see that. But... "We're all recovering. Lost Argo, need some direction." "Toby seems pretty steady." "He and Besen have helped each other." "You mean . . .?" She nodded, making a sign that meant love, romance, courting. "Oh." Killeen blinked. "I hadn't noticed." "Parents often don't." She smiled. "Well, I..." Killeen struggled to say something wise and firm, and gave up--his inner world was a muddle. He knew he was being absurd, but his first reaction to this news was a piercing sense of loss, To acknowledge that seemed to slight Shibo--he still had her, after all. And Toby's growing up was inevitable. He told himseft that maybe this crisis had made him vulnerable, and the sudden pang he felt was a side effect of the greater concerns that weighed upon him. While he tried to sort this out he saw Shibo's mouth tilt with compressed merriment, and realized that she could read his consternation. Finally, he gave a resigned chuckle and threw up his hands. TIDES OF LIGHT 203 "Got to happen sometime. Damnfine girl, too." "Glad you finally woke up," Shibo said happily. He kissed her. His Ling Aspect said sternly: I still advise against public displays of affection. You face grave difficulties, and every lessening of the command structure-- Killeen shoved the Aspect back into its cramped space, relishing the sensation. Now that they were back on solid ground, he could trust his instincts more. He left Shibo and moved among the Bishop camp, wondering what measures he could take to ease his increasing sense of danger. Besen was sitting on a natural ledge as she flux-shaped some mechmetal into carrygear. "Toby's nose's lfl bent," she said as he sat down, "So's everybody's," he countered. He had always been able to speak naturally to Besen. Now that he thought about her it gradually dawned that this "girl" was in fact a woman with easy self-assurance. Her angular face had a quality of shrewd reserve. "Some say we're worse off than we were on Snowglade," she said. "Could be." "They figure that string's up there ready to move any minute. We'll never get back through it." "Unless we can figure when it'll move," Killeen countered. "How?" she asked. Killeen grinned. "No idea." Besen laughed. "Well, least with you back everybody's not so glum." Killeen blinked. "Huh?" "I'd given up on us. We just sat around starin' at the ground till you showed up." He was genuinely startled. "Why?" "Jocelyn tried to pull us together. It just didn't work." Killeen said nothing and she went on, "We followed you 'cause you had a dream we believed in. That's the only reason to leave home, ever." "Dream's gone." "Yeasay, we know that. We're not dumb." She gave him a stern look, mouth pursed. 204 Gregory Benford "And Cybers're worse than mechs." "You got more than one dream in you though." Killeen was startled again. "What?" "You'll think of some way. We know that." He did not know what to say and covered this by standing up. "C'mon, you can show me the area." Her wide mouth seemed to hold some suppressed mirth at his awkwardness. She said solemnly, "Yessir." By all the precepts he had learned, to idle in a huge camp like this, clearly conspicuous from the air or even from orbit, was foolhardy. Bonfires at night, smoke plumes by day, regular arrays of tents--all these mechs knew well. Cybers, too, presumably. He walked by the Bishop slit trenches, already fragrant, and tested the grab-pole running along one side for strength. More than once, when a boy, he had squatted beside a trench without one and lost his balance. This pole was a long alum-ceramic arm from some mechtech, caught in Y-sticks at the ends. It took his full weight as he squatted and did his daily ritual, always performed after breakfast. The Bishops had long since lost their shyness about such matters and did not erect any shelter around the trench; even in the longlost Citadel, privacy had been a minor concern. He walked over the spur of the next low ridge and saw that this Tribe felt differently. Some had fold-up shields, one even with a roof. But farther down the valley he saw a rivulet, gorged with the recent rain, serving first as drinking water and then, downstream, as a sewer. "Plain dumb," Besen said at his elbow. "The river?" he asked. "Yeasay. Already got dysentery in some the Families. Big camp like this, you get a worse sickness, it'll jump aroun' pretty quick." "Any signs yet?" "I heard rumors," she said. "Let me know if you hear more." "Hard gettin' much from 'era." "Howcome?" "They're full of talk 'bout righteousness and how if they follow the true path everything'11 turn out right and so on." "Could be some their Aspects ridin' them a little hard." Besen surveyed the valley as she said, "Yeasay. From the High Arcology time seems like." TIDES OF LIGHT 205 Killeen felt oddly pleased. "Most young people don't care enough about history to remember stuff like that." She turned to study his face. "How can you not? Only way we can make sense of all this." "Sure--if you've got time. We'll be hustlin' pretty hard now." Her eyebrows narrowed. "Forget who we are, what's the point goin' on?" "Right." Killeen was obscurely proud of her quiet vehemence. This Tribe might succumb to His Supremacy, but he was quite sure the Bishops would not. "Besen... I'm glad you're with Toby. He and I aren't getting on well right now," She smiled. "Rough times for us all." "The time when a boy breaks away and makes his own path, well . . ." "I know." "I... I appreciate the help," he finished lamely. "You're not doing so bad," she said, and went back to her labors. Killeen stood regarding the valley and wrestling with his thoughts. In principle he was in a simple situation. A Cap'n followed Tribal orders. But he sensed something deeply dangerous in all this. "Reportin', Cap'n," Joeelyn said formally. He had not heard her approach. "You take care those chips?" "Kicked a lfl ass, looks like it'll be okay." "Good. How're our reserves?" "Not much." She punched her wrist and a graphic-display inventory of edible supplies appeared in Killeen's right eye, available on blink-access. He studied the hills. There had been thick woods in the arroyos. Many were clogged by mudslides. Swaths of trees were already gray and dead. "Bet we'll scavenge the territory around here fast, too. Pick it clean." 'Tll see ff the Families got any food stores." Killeen gestured toward the creek that snaked its way down the dusty valley. "Water'11 be no problem for a while. If something samples that creek downstream, though, it'll know we're here." "Cybers?" Killeen scowled, looking at the sprawl of Families open and 206 Gregory Benford careless in the valley. "Likely. Point is, what we get from fightin' Cybers?" Jocelyn studied his face. Did she suspect anything? he wondered. He had told Shibo as much as he could about his time inside the Cyber. She had agreed that until he understood it better, it was probably a bad idea to relate the story in full to others. To the Family's questions he had let on, without actually lying, that he had somehow stowed away on the body of a Cyber and then escaped from the subterranean nest when a chance came. He could scarcely explain the colliding sensations that had assaulted him inside the Cyber's body. Those memories now provoked shudders of disgust in him. Images from them shot through his sleep. He had intentionally worked hard the day before in hopes that fatigue would grant him oblivion in sleep. But the brooding, shifting dreams had troubled him again. This morning's fire had roused him from a terrifying sensation of suffocating in spongy air that swarmed into his lungs whenever he tried to draw a clean breath. To be yanked into the real world, even one with a raging fire to be put out, had been a relief. "We have any choice?" Jocelyn asked, her eyes concerned. Killeen wondered if he seemed odd to the Family; certainly Jocelyn was acting a little awkward and formal with him. Shibo, too, had been careful with him since his return, as if he were both fragile and unreliable. Well, Killeen reflected, maybe he was. "Prob'ly not. Looks like Cybers're mostly interested in guttin' this planet, though, not usin' its surface." He gestured above, where a thin skirt of clouds partly obscured a distant gray mottling. Patches of Cyber construction arced in polar orbits low on the horizon. The long arc of the cosmic string was a faint, pale yellow scratch across the sky. Something turned at the limits of his vision. He focused on it but saw only a thin trace image moving in equatorial orbit. Cybers owned space but for some reason did not use sky assault against them. Why? Jocelyn said, "They suck the core dry, take all its metal, we'll have nothin' but scrap left. That'll kill all the plants, and prob'ly US, tOO." Killeen listened to Arthur a quick moment and said, "My Aspects say there won't be any big change in temperature for a while. Quakes are the big problem." "His Supremacy says--" TIDES OF LIGHT 207 "Look, a man who thinks he's God can't be trusted much." "I think we should believe in him." "Believe him, or in him?" Jocelyn said warily, "I've watched him several more days than you have. He was most gracious. After all, we were people who suddenly dropped from the sky and placed demands on his Families--food, shelter. He helped us get away from the shuttles, before the Cybers tracked them. He is a natural commander!" "Look, 'member how Fanny was? That's leadership. This guy--" "He is using new methods," Jocelyn said adamantly. "These are terrible times, the old ways don't work." "They're all we've got." "Well then, by our mutual laws, as Elder he should have appointed a new Cap'n. You were gone, prob'ly dead. So if he'd stuck by the laws, you wouldn't be Cap'n now." Ah, he thought. "Who would?" She hesitated, then said, "His Supremacy asked me and I took on settling into camp. Negotiated with other Families." "You're to be commended. That's all for now," Killeen said, giving her a clipped salute. He pointedly turned his back to survey the valley again. His Ling Aspect broke in on his thoughts: That officer likes the taste of command. My experience is that even dangerous times do not slake that thirst. Killeen kicked a stone, enjoying the satisfying thunk as it bounded down the slope. EIGHT His Supremacy's tent was sultry with sweet incense and tangy sweat. The fifteen Cap'ns arrayed in a crescent before the broad black desk stood stiffly at attention, as ordered. A layer of blue smoke hung over their heads. The cloying smell caught in Kil-leen's throat, making him cough. His Supremacy frowned at the sound and repeated his command. "All Families will commit the same strength in this attack. We strike simultaneously. We all risk, we all triumph." Killeen thought, And if we lose, nobody'll be positioned for rear guard, nobody'll cover our ass. But he did not dare say it. "We shall follow our same, victorious tactics--the way of right action that has brought us so far. Following the assault, we must destroy as many of the Cyber buildings as we can." Killeen said, before caution could intervene, "I am most sorry, but I do not know the proper tactic." His Supremacy turned almost lazily to gaze directly into Kil-leen's eyes. Until now the swarthy, compact man had delivered his speech with his eyes fixed on the blue haze, as though secrets lurked high in the tent. "I had imagined that you would have learned the revolutionary developments in battle I have brought about." "I've seen your weapons. Quite extensive, some I've never heard about, but--" "Cap'n of the Bishops--a Suit unfamiliar to me as yet, but one I am willing to allow into my company of the devout--I understand your ignorance. When I foretold the arrival of your Family, I said the help which would fall from heaven would demand shaping. I and my officers are willing to fashion you to my higher ends, rest assured." "Well, sir, ! appreciate that. My Family will need--" "Perhaps you have not noticed that no one, in addressing me, uses the slight and paltry honorific 'sir.'" 208 TIDES OF LIGHT 209 Killeen made the gesture he had seen the other Cap'ns usea bow, while stepping back and casting his hands down at the floor. It seemed to imply total acceptance. His Supremacy nodded, looking almost bored. "You practiced the frontal assault, on whatever world sent you?" "On Snowglade, yeasay--but hardly ever, 'cause mechplexes got their perimeters bracketed. Pick you off fast . . ." It took an effort to conclude, "Your Supremacy." "I devised a devastating new way to use the frontal attack. It involves designating one Family as prime warriors, those who expose themselves early, to draw fire. A second party then surprises the enemy by springing forth from concealment. Then the main body assaults the nest." "That second party--how do they stay hidden... Supremacy?" "By slipping into the tunnels of the vile Cyber nests." Killeen frowned and said nothing. But the short man in his brilliant uniform looked reproachfully at him and said, "You have much to learn here, Cap'n. My revelation, which yielded this splendid method, assured me of our victories. It is not as though we proceed forward in shadow and uncertainty." Killeen nodded, not knowing what he could say. "I foresee our triumph, carried on the wings of God, and my shoulders. You see, Cap'n of the Bishops, I have ascended to the panoply of Gods. As the representative of the Essential Will of nature, I am necessarily Divine in my own right." His Supremacy explained this as if he were talking to a bright but ignorant child. Killeen had questions to ask but something in the curiously blank eyes of His Supremacy kept him silent. His Supremacy nodded as if satisfied and then shouted suddenly, "Sound the convocation! I must prepare the Families for the next step in their destiny!" Cap'ns and underofficers scurried to alert their Families. A rank of armed men and women fell to, their full running gear gleaming from a fresh polish. They clanked and wheezed as they escorted His Supremacy outside, dwaffing him in their sheathed shock boots. Killeen sent a quick summons to Jocelyn, Shibo, and Cermo. The assembly was already nearly complete in the valley outside, their Bishops positioned in rectangular ranks to the right flank of the formation. The brief address by His Supremacy to his Cap'ns had barely followed what Killeen knew of Tribal forms. Most of it 210 Gregory Benford he had found incomprehensible. Now His Supremacy would address the entire Tribe. The Tribe comprised all the surviving Families of this portion of New Bishop. No one spoke of the other Tribes which had lived on this world. Apparently mech cities had lately begun using humans in their conflicts. Though there had been incidents of that on Snowglade, Killeen's Family lore held that competition among mechs was more like pruning unwanted branches from a fruitful plant. Here, though, mechs warred with one another. Had the Cybers timed their invasion to take advantage of that? Killeen walked down onto the valley floor beside the Cap'n of the Treys. Afternoon sunlight broke in patches through the cloud cover. He searched for the cosmic string but it was invisible. If it began spinning and preparing to suck again from the core, Killeen intended to get his Family to fiat ground, no matter what the Tribe did. It seemed like a long time since the Treys' Cap'n had led him away from His Supremacy's tent, past the transfixing burial ceremony. Killeen mentioned that to her and the Cap'n replied, "Had a few more since. Cybers're operatin' over the next mountain range---what's left of it. Couple Cybers nailed some Sebens, left the bodies with those mite eggs buried in their guts." "Cybers could plant somethin' more in the bodies, too," Kil-leen said delicately. Lines furrowed the Cap'n's already weathered, resigned face. "Like what?" "Tracers. Find us, usin' 'cm." She shook her head. "They don't care enough. Just shoot our people when they get in the way. Not like mechs--least not yet." "You worked for mechs." "Sure--only way we'd survive." "Where I came from couldn't trust mechs that much." "They got crazy. Started bustin' up each other." Killeen said cautiously, "That question I asked back there. ·· I didn't understand all he said." "Just integrate your people's electromag-tags, hailing codes, stuff like that." "But look, there's planning--" "We go in separately, once the team's penetrated into the tunnels." "What about supporting fire?" "Manage it yourself. Each Family backs up its own." TIDES OF LIGHT 211 Killeen said skeptically, "Seems it'd be better if--" The Cap'n of the Treys gave him a tired, sardonic look. "I kinda like it this way. His Supremacy says do it this way, fine. That way I can pull my Family out fast, if things go bad." "But coordination--" "Look, this plan's the word of God." The Cap'n said this in a voice that was suddenly fiat, factual. Killeen opened his mouth to reply with a cutting jibe and saw that behind them walked three officers. When he glanced over his shoulder they seemed to be taking an interest in what he would say. He shut his mouth and nodded woodenly. He reached the Bishop formation just before His Supremacy began speaking. The words came to them over general comm, broadcast by linked capacities of a triangle of orificers assembled just below His Supremacy on a small knoll. Even though Killeen had been told that the Tribe numbered well over two thousand, the sight of so many people turned out in ranks, nearly crossing the valley with their columns, was impressive. He had not seen so many since a grand holiday at the Citadel, when he had been a boy younger than Toby was now. Then the occasion had been festive; now a solemn, grim air pervaded the comm. Hoisted Family flags fluttered and snapped in the wind, patched and sunbleached. His Supremacy began with a convoluted history of their valiant battles, so filled with names and honorifics that Killeen could make no sense of it. Certainly it told him nothing of how the Families had fought, and Killeen began to suspect that His Supremacy in fact cared little for the essential details of maneuver and command. This emerged soon, as the man waved his hands wildly and described the evils of their enemies, his face congested with rage. The Cybers did not accidentally resemble demons from the pit, noand soon they would return there, banished. "Rebuke and scorn, do they face! Defeat and castigation!" His Supremacy drew himself up and, even though Killeen kept a cool and skeptical part of himself withdrawn, the force of the man's ardor began to penetrate. "Death comes to us all! But it cannot sting. The grave has no victory! It is where we are rewarded." The vast crowd stirred as more long, rolling sentences washed over them. Killeen felt himself moved by the rhythmic, chantlike sweep. For the first time he understood how His Supremacy had 212 Gregory Benford held together a Tribe that had suffered shattering defeats and now faced an incomprehensible enemy of casual viciousness. "--at whose coming, to judge the All that Is, I shall stand upon the right hand--" The very air seemed to flicker with new intensity, hot filaments running on the breeze. "--render the things of metal and flesh into base matter! Shatter these minions of history's last battle against us! For we arise from the natural substances of the universe, and are at one with it, and enjoyeth its fruits without artifice or corruption of spirit. We are the product of God's own evolution. Monsters shall not fall from the sky and have these holy rewards, not if we hallow the ancients' names." Distant rumblings, as if mountains rubbed a coarse sky. " for after the final liberating battle we shall go faring forth. We shall call to the most holy and majestic Skysower and be fed and brought forth!" Illuminations shot through the clouds. Something silvery stirred high up. "--to deliver us from the evil of this place. These devourers of worlds will fall, as the mechs fell before them. Believe in me---" A cyclonic churn parted the banks of mottled clouds. Killeen felt the crowd begin to notice. "---on Earth... as it is . . . in heaven!" Striations of blue descended, curving along long arcs. Traceries frenzied the air. A rush of heat beat down from a sky that seemed emptied. Yet Killeen's sensorium quivered with pale, swift intricacy. "Thy kingdom come. Thy will be done. Malevolence focused by supreme will, we entreat you--" A gathering presence loomed in Killeen's sensorium--yet the air showed only translucent, skittering feelers of luminescence. Killeen remembered suddenly seeing such immense flickerings before. They had lit the distant skies the night after the cyborg released him. "What--what?" His Supremacy croaked. His rhythm broken, he gaped at the display above. And a voice Killeen knew came fluttering, at first almost lost in wind-whisperings: I seek a particular human. Give sign if you can perceive this. I speak on magnetic wings, and bring tidings from the very center of this realm. TIDES OF LIGHT 213 His Supremacy's voice boomed, full of undisguised surprise and joy. "I am here! I have brought your word by sword and daring--" No, you are not the one. I am enjoined to convey this only to the target human. My feet are mired in plasma, while these arms extend even unto your bitter-cold zones. Find me the one named Killeen. I speak for his father. NINE A tide of rustling disquiet swept across the valley. The ranks of the assembled Families wavered. Feet shuffled nervously, stirring dust that rose like a visible answer. Heads leaned back, trying to make out the shadowed filigree that danced featherlight across the sky. "What?" His Supremacy's voice was weak and strained, compared with the full, resonant power that came hammering down from the fretted air. "It is . . . God? God speaks in this manner?" I seek a being of the class I perceive is gathered here. I have searched this world far beyond my obligation to do so, and found fair few of you small things. Such low forms are usually numerous, but you are rare among these sheltered enclaves I have examined--these rude, chilly planets of uninteresting, slow matter. "I speak for all humanity here," His Supremacy cried. In Killeen's sensorium the human voice seemed awash in a lapping fretwork of smoothed waves. The massive swells were gridworks that bulged and slid. He remembered the mathematically generated ocean he had sailed in the grip of the Mantis's mind. Are you the one I seek? You emit a pungent reek, simfiar to his, I see. But your essence is shaped with less angularity, and colored in the deeper hues of frying gases. No, you are not that one. Be gone. His Supremacy's mouth twisted with dark rage. "You are not God! You come from the Cybers. You must! Say it! Be gone with you, foul demon!" Killeen held himself back, unsure. This was the very voice that had called to him years before, on Snowglade. It had advised him 214 TIDES OF LIGHT 215 to not rebuild the Bishop Citadel, and to seek the Argo. After the Bishops had found Argo buried under a weathered hillside, Kil-leen had expected further contact with the voice, more orders--but nothing had come in the two years of Argo's voyaging. He longed to answer it. But here? The voice would be heard by all, and might reveal what Killeen should do next. He tried to guess what His Supremacy would make of it, especially since the man's red face had already knotted with frustration. The act of receiving the message might in turn make it impossible for Killeen to act upon it, if His Supremacy could somehow turn the information to his own ends. So many of you small things, each with a different aroma and shape. Vexing! Creation is diverse, but trivially so--what need can there be for this variety, these endlessly multiplied shadings and nuances? It is not as though you mites are works of true craft, after all. It simply makes my task more difficult. "Flee, foul agent!--or we will crush you!" His Supremacy put all his considerable throaty power into the jeering shout. You venture to clash with me? To crush a being made of the most tenacious fields? My magnetic skirts could sweep you to dust, little worrisome grub. The discharge of my merest idle thought would wreak charring violence through a thousand such as you. But no matter--I cannot be bothered to fathom the mire of vile scents and squashed angles that make up your fledgling race. I cannot rummage through a legion of such, all to deliver a message of muddled meanings. I go. The roiling seethe began to ebb from the heavens. The pres- sure in Killeen's sensorium trickled away. "No! Wait!" He leaped in the air, arms flung up as if to grab the retracting lines of blue flux high above them. "I'm Killeen! Here!" The lacy pattern of radiance paused and rippled. Killeen watched it shoot fresh feelers downward, following the arcing magnetic field lines of the planet. So you are. I sense your flat odor and slanted self. Good--I tire of this pursuit, this obligation. I received 216 Gregory Benford this injunction from a power which sits farther in toward the Eater than do even I. Though my head can reach up into the realm of cool, sluggish worlds such as this, my many feet stand upon a crisply ordered plane of storm-cut plasma, the accretion disk that hotly feeds the appetite of the Eater. From far inside my tossed realm comes this frame of questions which I now ask. Killeen watched His Supremacy as these words poured down. The man's anger seemed bottled up, making his eyes bulge and lips protrude. His jaw waggled to the side, back and forth. But he gave no orders. Killeen stepped clear of his Family so his senso-rium would be as clean as he could make it. "Tell me--last time, you said somethin' calling itself my father was there. What--" The first is a question. How is Toby? Any doubts Killeen had harbored about the meaning of that strange sentence, years before, now vanished. Who but Abraham would ask first about his grandson? "He's fine--growin' like a weed. Standin' right here beside me. See if you can pick up his--" I perceive a weaker aura, yes, somewhat similar to yours. I shall relay it backward, down magnetic lines which spiral into the Center. It shall be refracted into the tangle of geometries where something darkly awaits. There is a spray of antimatter near my footpoint, arising from some artificial means, and thus I cannot guarantee precise transmissions of such flimsy data as your minute auras. "My father's there with you? Tell him we need--" Not here with me, no; all I ken is the assertion that he lived farther in, whirling somewhere in time-racked eddies. "Lived? Does he live still now?" Killeen's voice tightened. Forms such as yourself seem to lurk there, for purposes not revealed to me. I cannot tell if that particular unit persists. The presence there of such inconsequential, prim- TIDES OF LIGHT 217 itive entities is a greater mystery than anything in your messages, little mind, but I shall not trouble you with issues you cannot comprehend. Attend you, then: The next message is Apply the Argo ship's codes to the Legacies. Killeen shouted, "Legacies? But we've lost--" Silence, small mind. "Our ship is gone!" Unconcerned, the electromagnetic entity above stirred as though restless. It cast auroras of shimmering green into the nearby clouds, pressing them back so that the whole vault of the sky opened. The high cirrus banks yawned, as if to bite the somber sky beyond. The messages I am enjoined to deliver are not simple statements, but rather microscopic intelligencesfragments of the mind that sent them. Thus I must wait for this speck to conjure up some reply to you. It now says, Then you are lost. "But that's--" His Supremacy shouted, "Cap'n of the Bishops! I command you to desist. Converse with this agent of corruption will confuse all our Tribe and bring error to us all." Killeen glanced at His Supremacy and waved him away, trying to think. His father-- "I warn you!" His Supremacy's voice gained menace. "Dealing with--" "Cermo! Perimeter star!" The Bishops broke rank and reformed into a well-spaced, outer-directed phalanx. The air sang as their sensoria focused outward, crisping the tangled fields of the other Families. Killeen said levelly, "I'll brook no interference. This is no devil or God-killer. Leave us be!" "I command--" But His Supremacy broke off the sentence as he felt the impact of the massed, merged Bishop field. Weapons came down from shoulders, clicked on, pointed at primary targets--beginning with His Supremacy. "We Bishops require a moment. Hear me! I invoke the ancient rules, the first and most revered among them being Family privacy." 218 GregoW Benford The valley buzzed with unease. The other Families made no move. His Supremacy clenched his fists but only watched as Killeen turned his sensorium back skyward. I was not to deliver these portents until you were free of the grasp of mechanical intelligences. That was why I did not speak to you on your ship. It is inhabited by mechanical forms which should not receive the key to the Legacies. "Argo's got mechs aboard?" Killeen had known some small forms still evaded capture 'after the successful human mutiny on Snowglade, but he had thought they were powerless and insignificant. Mechanicals are pervasive. They are the dust that hangs between the suns. There was almost a note of sympathy in the brooding voice that pressed through Killeen's sensorium. "Look, is there any way my father can help us? We're trapped here. Some other lifeform's ripping the whole planet apart. No way we can get free, unless somethin' powerful as you aids us." I am a messenger, not fl savior. "Tell my father, if he's still alive. Send us help!" The small mind I can interrogate sends wails of remorse, if that is any comfort to you. But nothing else. My powers are not at its disposal, in any ease. The colorful traceries began to fade. "Don't leave us here!" Farewell. "No!" But it was gone. Killeen slumped to the ground with sudden fatigue. A heavy depression settled into him like a cloud and he panted as if he had been running. Color seeped from the world. Shibo tugged him up. Hands supported him, Toby put an arm TIDES OF LIGHT 219 around his shoulders and brought Killeen forward. The Bishops still held their defensive star formation. The air was tense as the other Families studied them, hands hovering not far from weapons. Shibo said, "It will return. Don't give up." Killeen gazed around at the bleak, dusty plain and the ranks of ragged humanity that filled it. "Right. Right," he said automatically, without believing the words. His Supremacy's voice boomed, "We have frightened it, be sure of that. The being fled our show of solidarity before it!" Killeen shook his head and said nothing, He expected instant retribution from His Supremacy but the swarthy man merely glared. An empty, glazed look came into his eyes. His Supremacy turned from the Bishops and began intoning more of the ancient litany. Killeen made a sign and the Bishops relaxed from the star formation, making straight ranks again. But the edgy tension on the plain, though muted, did not go away. Beside Killeen, Toby whispered, "That guy won't forget." Besen added, "Maybe that sky thing scared him. Sure did me." "Hard, searin' a man who's already God," Shibo said wryly. Killeen listened to the rest of the service numbly, the words passing like raindrops sliding on a windowpane. When the ceremony was finished he led the Bishops from the plain. They stepped smartly, though their eyes were hollow and distracted. He registered the bitter whisperings from the other Families. Some called taunts and threats. He let it all slip by. He was remembering his father's face. As they passed the clump of officers around His Supremacy, the man gave Killeen a pinched, assessing look, eyes narrow and dark. "We will speak to you later, Cap'n," was all he said. Then he turned away sharply and stalked off. Killeen's Grey Aspect said: Yon Supremacy... has a lean and hungry look. Such men are dangerous... as the ancients said. Killeen nodded, but compared to what the Bishops had just lost, the opinions of mere men seemed quite trivial. PART FIVE -- SKYSOWER ONE Twilight seeped through grimy clouds, casting pale blades along the hillside where Family Bishop retreated. Killeen stopped and looked back. The tail guard had just reached the foothills of this slumped ridge and would stop there to defend their rear. "Hold till we clear the summit," he sent to Cermo. --Yeasay,-- Cermo replied at minimal comm level. They were keeping their transmissions few and weak, to avoid detection by Cybers in pursuit. --Running low on ammo.-- Killeen did not answer because there was nothing he could do. There was no more ammunition with the main body of the Family, where he was. Given the Cybers' ability to attack from any direction, there was no point in reinforcing either the advance guard or the rear party. Cermo had been forced to use arms and energy-store to pick off the small, tubular things that were trailing the Family. These dog-sized creatures seemed to be miniature Cybers, with reddish carapaces and aluminum-sheathed legs. Unarmed, they had followed the Family ever since the disaster at the magnetic generating stations. And they had proved smart, too; they hung back and scattered when Cermo sent people to pick them off, delaying the Family still further. Even one of the cyborged insects could give away their position, and there were thousands of hiding spots in the jumble of the valley they had just left. He walked up the steep hillside. His feet were blistered and he favored his left, hobbling slightly. Some water had gotten into his thigh sleeves and had dribbled down into his webbing socks. All the boot- and compressor-shock tech in the 221 222 Gregory Benford world could not keep pressure off the sore, inflamed tissue of his heels. The water had come from geysers bursting suddenly from a sandy canyon. They had been erossing it at full speed after the battle. There had been no time to stop and check, and now dozens of Family limped along with the same ailment, --I've found Joeelyn's beeper,-- Shibo sent. She was already over the summit, leading the advance guard. Killeen sent a quick trill note as acknowledgment, hoping that would be less a telltale than a human voice if the Cybers picked up the transmission. The message brought a glimmer of cheer. Joeelyn led the Family's other party, cut off during the battle. Their fallback plan of retreat was working, then; she had found a way along parallel ridgelines and passed through the low canyons beyond, leaving a signifier, as planned. That meant they hadn't been forced to skirt around any Cybers, which in turn implied that perhaps the aliens were not following the Bishops at all, Slim evidence, but Killeen grimly allowed himself that hope. At this point, hope was a vital as energy. But then Shibo sent, --More dead,-- and Killeen's mood darkened. He cut in his reserves of power and bounded up the last long shelf of shattered rock before the summit. A red sunset cut momentarily through the smoky cloud deck, casting stark shadows in the rutted arroyos beyond. He reached the top, panting. He expanded his sensorium momentarily and picked up Shibo's green tracer. Closeupped he saw her dispersing her party to the flanks, where they took up defensive positions. Killeen boosted off on full power and made his way down the steep slope in a series of jumps. His compressors wheezed and he let his calves take most of the shock, but his feet howled in pain. Strangely filigreed foliage cloaked the arroyos. He slowed to get through it. Spindly trees formed a green canopy over him as he passed Family members in the shadows. The tough, warped trunks still dung to the ruptured soil and already had begun to correct their slant, turning to seek the sky along new verticals. Though there were wide swaths cut in the willowy, silent forest by hillslides and fresh, earring streams, life seemed able to hang on tenaciously. Sharp paw prints testified to the survival of large animals, though Killeen seldom saw these except at great dis-tanees. They were wary of mechs and Cybers and men alike. He found Shibo sitting at the base of a rise, staring upward. TIDES OF LIGHT 223 He followed her gaze and saw a body hanging from a large, gnarled tree. "Any of ours?" "Naysay," she answered. "Looks like a Jack." Several Family members followed them as they approached the tree. The woman's gaunt body swayed on fiberweave ropes, expertly trussed. Her entire chest and stomach bulged with one of the glassy, opaque blisters Killeen had seen before. This one was oozing milky fluid from its peak. "Looks 'bout ready. It'll pop soon," Shibo said. "Right. How long ago did Jocelyn come by here?" Killeen asked. "I figure couple hours. Her beeper was pretty played out." "Where was it?" ' "Down where I was sitting." "So either she left it here so we'd see this . . ." "Or somethin' left this by the beeper." "Yeasay--after she'd gone on." Shibo peered at him, the blades of bone beneath her cheeks seeming to stretch her browned skin taut and shinv. "WhichP" she asked uncertainly. ' ' Killeen tried to figure how a Cyber might think. "Why'd Jocelyn point out this? More likely she'd steer us away." Shibo nodded. "So some Cyber found her beeper and left this." Killeen stood back and watched ants swarming over the face of the body.as it turned slowly in the wind. "Wonder if it's s'posed to scare us. "See that?" Shibo pointed. The hands and feet were pierced. From the blood), wounds protruded green stalks ending in fully opened yellow blossoms. The flowers seemed to grow out of the woman. Killeen felt a sick chill spread through him, remembering the grotesque sculptures of the Mantis. The same horribly rendered theme. "Whv'd a Cyber do that?" "Combined plant and animal," Shibo said. "Some kind of message?" "Why'd it do that?" "Thing 'bout aliens is, they're alien." He spat on the ground in exasperation. Why did both Mantis and Cyber make this "art" warping humans and plants? A man nearby moved toward the body and extended his knife to cut the ropes. 224 Gregory Benford "No!" Killeen knocked down the man's hand. 'Ts just fixin'--" "Don't touch it." ,, "--get it down, poke the thing that's livin' inside it. "It's prob'ly tagged. You cut it down, alarms go off, Cybers come running. The man looked outraged. "You let it grow in there, come out, it'll be one more Cyber!" Shibo said, "Naysay. They grow their lfl helpers in us, not themselves." The man blinked and then a pale, washed-out expression stole over him and he turned away. Killeen looked down the rise to the forest, where Bishops were straggling in from the long retreat. They slumped down, not even bothering to lean against trees, and lay with their heads resting on their carrypacks. "We're 'bout played out," he said reflectively. "Can't stop here," Shibo said. "Cybers know this place." Killeen nodded. "Might come back." He wondered if Cybers found it any more difficult to move and seek at night. Probably not, since he remembered their natural optical senses worked best in the infrared. Which meant that the gathering gloom gave Family Bishop no advantage here. He walked to the middle of the gathering crowd and sat, his legs gratefully ceasing their aches. The quakes had shaken most of the odd, triangular leaves to the floor of the forest, providing a deliciously soft loam for rest. Approaching Bishops' bootsteps made no noise whatever, and the ebbing twilight suffused the scene in a soothing, serene light. His feet screamed for release, but he did not dare take off his boots for fear that he would not be able to get them back on when his feet swelled. He was tempted to expand his sensorium and get a quick head count, but the hanging body had made him wary of even the slightest electromagnetic tracer. And in any case, he knew the rough dimensions of their loss. Family Bishop had been the outer flanking element in the assault, a relatively less dangerous position affording a clear escape route. They had gone in after the forward units sprang from their concealment in the Cyber tunnels. The battle had played out on the plain beneath the magnetic generator buildings. Those units had appeared directly among the Cybers. Killeen had witnessed the fate of those brave Families. The assault ratio must have been at least one Family per Cyber. The TIDES OF LIGHT 225 first rush had brought down two Cybers and things had looked good. Then men and women began to fall on the plain as though blown over by a sudden soundless wind. Killeen had not been able to pick up any signatures of microwave or optical or even kinetic-kill weapons. People fell in midstride, as though picked up and slammed into the ground by an invisible giant. The rush came to a sudden halt. Families regrouped behind the fallen, smoking Cybers. Even there some weapon picked them off one at a time. They tried a rush toward the magnetic generators that loomed above like mud-colored, rectangular hills--and fell by the dozens, their strangled eries twisting through the comm. The Bishops answered the blaring attack signal of His Supremacy. More Families poured over the distant hills. They spread out and moved in jerky dashes between the covering shelter of arroyos and dumps of trees and boulders. The battlefield was a gray seabland left by some recent magma-spewing vent which had obliterated the life there. Whether this was by accident or design Killeen could not tell. The Cybers had already bored tunnels in the barely cooled lake of lava. Cracks in the crusty scab gave some shelter as the Tribe descended and brought withering fire to bear on the four remaining Cybers. Had they been meehs, the directed bursts would have sheared away legs and burned out antennae. Here, nothing happened. The Cybers paused, as though reassessing the situation, and then went on picking off the darting human targets, as if nothing more bothersome than a summer's rain fell upon them. Killeen had been running at the middle of the Family. He saw the first Family members fall and ordered everyone down. They had poured a torrent of fire on the nearest Cyber, and succeeded in blowing away several appendages. But even the natural, warty skin repelled all shots. This Killeen could not believe until he tried three successive bolts straight into the exposed midsection of the thing. Only after all three failed, fading away to mere luminous blue traceries in the air, did he notice the slight shimmer that hung over the Cyber, and hear the crackle of ionizing air in his sensorium. That was when he called retreat. His Supremacy had immediately broken into Killeen's eomm line and cursed him, demanding another full assault. Killeen had hesitated for a long moment, while Bishops died all around him. The chaos of the rest of the 226 Gregory Benford battlefield had stormed against his sensorium, blinding him with its agonized calls and screamed pleas. He had to resist the press of centuries of Family tradition, the absolute rule that said an Elder of the Tribe must be obeyed, especially in the split-second tumult of battle. Killeen had paused, agonizing, and that was the moment when he saw Loren, a boy Toby's age, blown apart. The boy simply went to pieces. Something had struck him in the chest and made a bloody flower of him. Even though Loren was down in the apparent shelter of a lava crack, the burnished rock failed to stop whatever the Cybers used. He called retreat then. Similar orders seemed to echo faintly in his comm, coming from other Cap'ns, but he could not be sure. He had provided some covering fire for the main body of Bishops, but harshly commanded that no one try to recover any fallen bodies. They had lost eleven getting off the plain, and still more working their way through the arroyos and over the ridgeline. He had barely stopped the retreat from turning into a rout. And all the while, he had ignored the mad, rattling curses of His Supremacy. The only blessing in all this was that the children, pregnant women, and older Family members were all with the supply train. That was an improvement over their clashes with mechs on Snowglade. The abilities of the Cybers more than made up for that, though. Killeen let himself wonder for a moment about the next time he saw His Supremacy. Would the man order him hoisted up on a spit, like the suffering remnants of people he had seen at the Tribal camp? There was a fair chance of it, Nonetheless, Family Bishop had to make for the designated rendezvous point. Without the Tribe the Family would fare badly in the open countryside; they simply knew too little about this world to survive for long. For a moment Killeen weighed his own personal fate against the needs of the Family. He had seen quite enough of His Supremacy's tactics already. They were ruinous used against Cybers, and probably not highly effective against mechs, either. His Supremacy's victories had come with mech allies, after all. And 'after Killeen's insubordination on the battlefield, His Supremacy would certainly put the Bishops in the thick of things in the future, where he could keep better control of them--whether or not Killeen still lived to lead them. He sighed, and Shibo lying beside him cast a wise, pensive TIDES OF LIGHT 227 look. She knew what he was stewing about, yet said nothing. He took out a chaw and bit into its dense, sugary grains. Cermo came in with the rear guard. Killeen scowled at him, his usual signal that he was not in the mood to talk. He needed to think. On balance, he had to lead them to the rendezvous. It was to be at a mountaintop, apparently a site having to do with one of the locals' revered religious symbols. There they could meet the supply train. Then, if they decided to leave the crazed leadership of His Supremacy, they could slip away with full packs and bellies. That was worth risking his personal fate; in the end, no true Cap'n could decide otherwise. His Arthur Aspect observed: One should expect religious fervor, even rabid fundamentalism, in the face of such calamity as these people have endured. Be mindful that their ardor reflects an underlying fear they can barely contain. They have been rooted from their homes-- "So were we," Killeen muttered. Yes, but we have dwelled for years in the comfort of Argo. "We didn't turn crazy, not even in the worse times on Snowglade." What about Hatchet? Wasn't he unbalanced? Killeen remembered the closed, tight look to Hatchet's face. "Naysay--just plain mean. Thought he could strike a deal with meehs, when all the time they were usin' him, planning a zoo for us all." ' I won't belabor such distinctions. But do notice that the lribe also experienced apparent victories over the mechs when the intercity conflicts gave them an advantage. lhe crushing advent of the Cybers followed, however. Plus the disemboweling of their planet. Their strong reaction, their need for a perfect leader who embodies their hopes, who tells them that he speaks for God--such an effect is quite within the bounds of human responses. "You makin' excuses? This guy says he's God." 228 Gregory Benford I merely point out that the Tribe can still be effective, and it may not be best for the Family to leave it. Irritably Killeen called up his Ling Aspect and asked, "What you say?" A smart Captain plays to his superiors' foibles. "Foibles?" A slight frailty in character. Staff discipfine is essential, and I cannot fault a commander who disciplines a Captain-- Killeen jammed the small voice back into its recess and stood up. They should move on before the light gave out completely. The rest had made his feet more sensitive. He would have to march awhile before some numbness returned to them. Lined faces watched him with interest. One in particular, that of the woman Telamud, seemed to blaze with energy. She got up and walked stiffly, legs straight. Eyes open wide and blinking, she looked around. Experimentally she rocked to the side and then flexed her knees, as if trying out her calf-shocks. She walked again, tongue flicking out to taste the air, breathing rapidly. Some others had noticed by this time. A man stood and asked her if she felt all right. Killeen wondered if she had a sudden fever. Telamud looked around as if she had never seen any of them before. She began to shake. Killeen feared she was going into Aspect storm, her riding intelligences overwhelming her. She shook harder, a low gurgling coming out of her open mouth. Then she fell, completely limp. Telamud's friends examined her, slapped her, tried to bring her around. The woman came back slowly, groggy and ashen. She could say nothing, but she seemed able to walk all right. As Killeen looked around, drops began to patter through the decks of leaves and branches above. It was a pale green rain, alien and cold, curtains of it moving like filmy lace among the trees. The Family lay sprawled as though dead. Some had already taken food from their packs, as though settling down for the night. "Heysay, rain," someone said drowsily. Another answered, "Never thought I'd hate rain. Never got enough on Snowglade. But now..." TIDES OF LIGHT 229 "Water above, water below," Killeen said. "More in my blisters than's comin' out that sky." A man called, "It'll keep the Cybers in, I'll bet." Killeen shook his head. This futile logic had no basis, but the fatigue in the man's voice was deep. He called up his inventory of old tales and said, "You 'member Jesus? The Great Cap'n? Well, I'm greater, 'cause I'm walkin' on more water than he did." The small joke got a laugh, and he cajoled a few to their feet. They were too tired to resist very much, but Killeen knew he could not get much more out of them before their reserves would be gone. Then he would face real rebellion. "C'mon," he called. "Step proud! Double rations t'night." Their mood lightened a little and the column moved off slowly into the gathering murk. Quath pursued the Noughts with a strangely mixed glee. She enjoyed the mad dashes she could perform, racing from one fleeing band of panicked Noughts to the next, chopping and blasting and cutting them. It was a consummation of her plan, and a great joy. Yet vagrant impulses shot through her. She felt glancing pain as the Noughts died. She suffered a momentary trembling fever as they fled in fear. This unsettled her, slowed her arms fractionally, veered her aim. So Beq'qdahl cried, Quath replied, hoping none of the podia noticed how shaken she was. came the joint cry of the armed podia. Quath joined their rush. Up ragged ridgelines, through gray meeh ruins and gutted green forests, and down onto the smashed steppes of this frae-tured place, they harried the stupid, witless Noughts. Quath's adroit plan had worked. Her captured Nought, when released in the area where the largest packs of Noughts were thought to prowl, immediately sought out its fellows. A tiny device attached to the Nought gave a locating signal several times a day. Quath had tracked them and had guessed their intention of again attacking some of the magnetic field stations which controlled the movements of the Cosmic Circle. And now the trap she had laid for them had sprung, catching thousands of the mites. As Quath made haste through a meeh factory, searching for hiding Noughts, the Tukar'ramin's voice sprang fullblown into her aura. *You are a true fierce and canny sort,* she said. *I have observed your a&nirable scheme unfolding. Be careful that you do not risk yourself in these brute encounters, however.* 230 TIDES OF LIGHT 231 Quath replied. *I can bring you glad news, too. The second of the encoded slabs, which you extracted from the Nought ship, is now decoded as well as can be done. It is truly valuable.* Quath felt Beq'qdahl, who was clambering up a nearby slope, seethe with amber-shot jealousy. She pretended not to notice. *The Illuminates. * Quath's subminds babbled in a crossfire of astonishment. *They have deftly picked their way through the thicket of compressed meaning in those slabs.* *These two slabs bear directly upon large matters.* *Yes, across the span of suns. I have received instructions from all those Illuminates within light-travel time of this system. Two are here, overseeing our orbital constructions. Even now they debate among themselves.* Quath blurted. *Quath--* *The answers we all believe--the Summation--the Illuminates themselves formulated. That wisdom is ancient indeed. Now they do not delve into such matters. They ponder how to accomplish our grand purpose. Remember what I revealed to you before, about your own nature?* Puzzled, Quath paused to reflect. At the same time she plowed through a stand of twisted trees, their bark stripped (eaten by Noughts? she wondered). She searched for targets. But Beq'qdahl had already bagged the two Noughts Quath had been trailing, and now loudly trumpeted her puny victory out of ego-need. Quath turned and raced down a talus slope. *You approach this subject with hesitation?* *The fateful cast of genes. We incorporated facets of that ancient race; they surface perpetually in us.* 232 Gregory Benford *You cannot be purely anything, Quath. That is the legacy of that lost species--to see each aspect of life as mitigated.* *No matter. Your pain, your indecision, your questing after higher answers--that is your trial and labor and destiny.* *Certainty is the lot of those who do not ask questions. Such are nearly all the podia. We have mastered the material world, we ken its workings. But we do not puzzle at the questions you do, Quath. * Quath shouted in a strange lonely anger. *As a Philosoph you should now know that the traits long ago genetically implanted will manifest themselves in you in ways that are unpredictable and disturbing. Further, they shall increase with age. You may display the inborn traits of ancient beings, or a combination of podia nature and theirs.* *There are other, perhaps even grander issues, Quath. Of such matters I bring news. The slabs you brought to me contain enough information for the Illuminates to contemplate a daring adventure, something the podia have never dared brave: a voyage to the very center of the galaxy.* Quath clambered through a mire of muck and ripped soil. Great quakes had torn these mountains savagely. *The slabs tell of a time when organic beings--the ones who wedded their genes to ours, perhaps--ventured close to the black hole at the very center. There may be a way in, free of meeh interference. It will require all our resources, however.* Quath stopped beside a ravine. In the forest beyond were the humans she was tracking. The telltale she had planted flashed for a microsecond; her own Nought was among this company. But she could not think of the hunt now. *That may indeed be necessary.* Something in the Tukar'ramin's tone made Quath inquire, *One hopes. The meehs disguise their activities in the inner few light-years. For millennia the Illuminates have wondered at their incessant collecting of pulsars, their veiled experiments. We TIDES OF LIGHT 233 can scarcely hope to extinguish such beings if we do not know their deepest, perhaps most dangerous abilities.* *You have something we must possess.* *Your Nought. * *I sensed your small passenger while you were still in the Hive. * *Know that I fathom your crosscurrents and dark broodings, Quath. We have not had a Philosoph in the Hive for a great while. I decided to let you follow your inner compass.* *Perhaps you kept it as a pet; podia have done such before. It is no crime. Indeed, your secret keeping of this mite is ample evidence of the mysterious wisdom that comes, often unbidden, to a Philosoph. Care for your pet well.* *Yes?* *What?* Alarm shot through the Tukar'ramin's projected aura. *The Illuminates themselves now need it! It was a principal on the ship that brought them here--a vessel we must have.* *Find it!* With that command the Tukar'ramin's aura blew away as though a breeze had taken it. Quath had the sense of the Tukar'ramin's hurrying to convey this information to some distant place. She should have felt some elation at this sudden turn. The slabs she and Beq'qdahl had found now proved more important than any fabulous dream. Her Nought was somehow a key because of its ship. Quath's transgression hiding the Nought and lying by omission to the Tukar'ramin--had been lightly passed over. Yet she felt somber and vexed as she quick-stepped toward the forest ahead. If the Illuminates did not know how to answer Quath's questions, what authority in all the podia could? Was it possible that the terrible vision of an utterly empty and meaningless universe was unquestioned, even at the highest levels? 234 Gregory Benford Restless, Quath east forward with her aura, hoping to pick up some pinprick taste of her Nought. Finding it would not be easy if she relied on the few quick flashes its telltale emitted in a day. She had slipped it into the crude equipment it wore, elemental augmentations like a crude parody of the podia's sleek lags. She had never thought that she would need to find that particular Nought again, only the pack it joined. What an irritant! She caught an electro-savor of Noughts spread through the dense, leafy mass ahead. Here in the open it was difficult to taste whether one of them was hers. She amped the signals--and gasped. Ugly horizontals and verticals everywhere. Unchanging, muted light. And mixed in with these blunt perceptions came a torrent of strong surges. Silent colorations of fatigue and pain. Bitter red smells of fear. Yellows of shame. Rasping pride. Banging, loud confusion. Acrid envy, livid malice, and incomprehensible muddy longings. All seething, unknown, under an oily smear of senses. It was difficult to believe that these Noughts were so unconscious! Cryptic semisentience floated through these minds. They suffered continually from forking senses. Their entire thought-train was constantly interrupted for messages detailing their surroundings, their hungers, their incessant sexual signaling (even when exhausted!)--their tumbled, vivid, small worlds. Quath gingerly focused her aura down to a needlepoint and thrust it toward one particular Nought who lay several hills ahead. Was this hers? She could not tell, awash in the scattershot jostling of quick, coarse perceptions. In this sticky swamp she could not even separate its subminds. Carefully she held its muscles rigid, made it stand up from where it crouched. Did this feel familiar? One of its upper limbs was pressing a soft thing against its face. No, into the face. An awful salty burst told her that this was a mouth, perhaps its principal one. Certainly it enjoyed an enormously augmented tasting system, for the food cast piercing rivulets of lava-hot bile all over the interior of the mouth-pouch. Its fellows were staring at the Nought. She perceived that they would find alarming the act of spitting the food out onto the ground, where it could perhaps burn the foliage. These Noughts were gaunt; wasting of food would arouse suspicion. She must not TIDES OF LIGHT 235 frighten them before she found her own Nought, or they might all flee in a panic. Quath forced the thing to swallow the stuff, just to get the taste away. What could this primitive form do? She had not entered her own Nought in this way; she was getting better at it. Curiosity egged her on. She made it stand on one foot, then another. The sensation of bipedal instability was strangely exhilarating. She made a pod take a step, caught the body as it began to fall, and then brought the other leg up to join the first. This sensation of courting disaster, falling and catching oneself, carried a delicious excitement. She stepped again, and again. The legs carried the impacts of walking upward and she quickly learned to absorb these with the cumbersome knees. A single knobby columnar spine felt as though it rode on a cushioned pediment of hips and buttocks. Worse, it ached at the lower back. The muscles there were firmly knotted, as though this was a constant condition. What poor design! And they were so unimaginative that they simply tolerated such irksome pains! She rotated the head and saw a surprising proportion of what she knew had to lie outside the Nought--but missing the fine-grained texture Quath knew, and overlaid vith freightings of emotion. This Nought could scarcely see anything without immediately reacting to it. Passing a low bush with tiny red berries brought gushing forth a hard hunger. The shaded sky above demanded to be searched for threats. A moist breeze crept into its primary nostrils and visions of rain sounded warnings. A nearby face excited memories of happier times, laughter, a warm fire-- But Quath saw that this approaching face emitted sounds which disturbed this host-Nought. The face gave quick signals of alarm. A wrinkling just below the top hairline. Its single mouth parted and lips slightly reddened, bringing teeth further into view. A narrowing of the space between the hair-hedges above the eyes. Apparently Quath was not managing this Nought well, despite her exciting discovery of two-podded walking. She thought she had done that quite expertly. How well could such a rudimentary construction perambulate, after all? This nearing Nought said something incomprehensible. Its primary message lay in the timbre of the speech, rising higher as the crude acoustic stutterings came faster. Quath did not want to frighten away this pack before she had a chance to explore it. And 236 Gregory Benford there was some deeper element about them that she could not fathom. Even clotted subminds should have appeared by now. They must be oddly integrated. She put aside the matter and decided to leave the Nought. No need to alarm its fellows, after all. She disconnected smoothly. In an instant she was back inside her own electro-aura. Now rain came sweeping toward her, warming and oddly pleasurable. It reminded her of the tantalizing food-streams of the Hive. She basked in the soft caress of wind and air. Then she wearily crept forward. This business of finding her particular Nought might prove difficult. She regretted not giving it a steady, bright telltale. She had feared that even a dull-witted being would eventually notice. Very well; she crept on through the splashing torrent. THREE It was sunset again before they scaled the last foothills and straggled across the breast of the mountain. Killeen watched a ruddy sun sink beyond the next peak in the chain that marched up from the south. He had been slow to adjust his senses to this planet and to realize that it had milder seasons than Snowglade. Its lesser gravity and shorter days threw off his rhythms. The effect told on them all, he thought, as he watched the Bishop rear guard struggle up the slope of dark granite. A chilly wind had come up after the rainstorm of the night before, making marching harder. Once water got into their leggings, nothing worked quite right until they had a chance to stop and work on metal-shaping. But there had been no time for that. Killeen had cajoled and ordered and joshed, keeping the Bishops moving across silted mud and wrecked forests. He looked back now, searching for Cyber pursuit. His feet yearned to be set free of his boots, and he compromised by sitting on a boulder and releasing the pressure-catches of his shocks. The relief would have made him sigh, but Cermo was passing nearby and Killeen's sense of discipline kept his lips closed. The land had been ribbed and ridged anew by the quakes. A river below was busily digging a fresh channel, having been tossed from its old one. Geology seemed to have hastened its pace, as if in fear of more disasters. The rain had clogged innumerable new streams with mud, and they spread like hands with snaky fingers across the plains, feeding brown lakes. Drowned stands of spindly trees poked from the waters, the slanted sun catching their doomed topknots. We are near the equator, so at least we have not suffered the cooling effects occasioned by the cosmic string. It seems to have stripped away some of the atmosphere, so there is less insulation against the cold of space. 237 238 Gregory Benford "Thought the land fallin' would heat things up," he answered his Arthur Aspect. The loss of air has a larger immediate effect. Deep heat must diffuse out from the interior. However, we can soon expect another excavation from the core. Note how the string pulses with more energy. Killeen peered up into the darkening sky and saw the razor-sharp curve against the mottled colors of the interstellar clouds. It had not moved in the sky all day, which meant that the Cybers were rotating it with the planet, If it began to spin they would have to prepare for quakes or worse. Only for dwellers in cities or Citadels are quakes a threat. In the open your greatest risk would be landslides, and I expect most loose soil has already been shaken free. "Maybe, 'less this whole mountain decides it's better off in the valley." He heard gravel scattering down the slope nearby, as if in forewarning, and turned to find Shibo coming from the advance party. "Tribe pickets up ahead," she reported. They had been keeping corem silence since emerging onto the mountain face, because line-of-sight reeeivers could pick them up at a great distance. It meant greatly slower information flow, but Killeen felt too conspicuous here already. Every pebble could be a Cyber telltale, waiting for a foot to step on it or merely set down nearby. "Police up the column," he ordered. "Let 'era see us march in all formed up, gear in place." He was proud of the Bishops as they passed through the Tribal lines, headed for the crown of the mountain. The Families were spread out on the jutting slabs of silver-flecked granite below the summit, but Killeen did not stop to pitch camp. He marched the Bishops straight into the center, where the large tent was already erected and billowing in the cold winds. Killeen gestured to his lieutenants to flank him and did not slow their step until they reached the broad clearing at the very peak of the mountain, where the tent flapped loudly. His Supremacy emerged to meet them. Standing beside his ott:icers, he gazed stony-faced with empty, expressionless eyes as Killeen gave him the traditional salute. TIDES OF LIGHT 239 "You withdrew without my order," the man said abruptly, without returning the salute "I felt my Family would be overrun," Killeen said formally. "Who could outrun those who turn tail so quickly?" "We took large losses. Eight--" "All Families sustained such casualties," His Supremacy said. Then he repeated it loudly, toiling out each word. People heard and came running. Killeen watched as the Bishops were engulfed by the Tribe's greater numbers. There was going to be a show. "That is the way . . . we must follow . . . if we are to defeat these monsters." His Supremacy boomed out the long sentence with relish, a clarion call. An exalted expression transfixed his face with passion as he turned to Killeen. "Other Families have not bellyached about their dead. They simply bury their heroes and carry on, obeying." "We buried no one," Killeen said cautiously. "They were left on the field." "Ha! The Niners brought out over a dozen dead." "How many'd they lose doing it?" A rustle from the gathering crowd. His Supremacy scowled. "We do not count those losses as different. All fell in the noble cause." "I'd rather get hit on the attack, not haulin' bodies around." "So I'm sure you would, Cap'n. I have noticed that you have little respect for our time-honored methods. Nor do you have any sense of your transgressions." Killeen started to reply and held back. This was to be a public humiliation. Or worse. He tried to see a way to mollify the short man whose face had a transfixed, glassy quality. "Further, I have noticed that you have verged on disrespect toward My Holiness. I have until this moment been kind enough to ascribe this lapse to your origins around a foreign star." Killeen could not resist agreeing. "Yeasay, that might be it." His Supremacy's eyes lost their odd blankness. A dark look narrowed them to menacing slits. "Perhaps you think that God's rules do not apply to foreign Families?" Killeen's effort to catch his tart reply made his jaw go tense. Then he said slowly, "Of course not. Your tongue is different from ours. I have trouble speaking in it, maybe my meaning gets garbled. We humans been separated a long time, 'member. How . . ." He clenched his jaw again, then went on. "How could 240 Gregory Benford anybody possibly imagine that I lack respect for His Supremacy? For the greatest mind in the history of our race?" The short, swarthy man nodded as though this last lavish compliment were simple fact. Killeen was relieved to see that fiatout flattery did not bring forth the slightest suspicion. Such talk was probably a steady daily diet for this man who thought he was God Himself. "You have a strange manner of showing your reverence, Cap'n. The battle was going well." "They swatted us like flies." "Every battle costs us--that is the glory of it! Only by great sacrifice can we win great victories. That is the point which eluded the shortsighted Elders and Cap'ns before me, and which only Divine intervention, in the form of myself, has countered." "I see, Your Supremacy." "It is our fierceness, our sacred rage, our Divine fearlessness of mortal wounds and even of death, that places us above the monsters and demons vhich curse our motherworld!" This brought a shout of agreement from the Tribe. Hoteyed, grinning, the mob was mesmerized. Their nostrils flared with anticipation. Killeen joined in their cheering tardily and so did his lieutenants. But His Supremacy noticed this and abruptly held his hands up, silencing the crowd. "I see a slowness in you, Cap'n. A reluctance to follow the commandments of My Holy Self." "Naysay, I--" His Supremacy's eyes flashed. "Naysay?" "Well, I--" "The God of Sacred Rage does not like this word naqsay. Especially from a Cap'n who runs. I think you speak it far too much. Knees!" Officers instantly and expertly struck the back of Killeen's knees so that he dropped forward to the ground. Someone pinned his hands behind his back, lifting them so that he bowed involuntarily. He looked up at the pendants that swayed from His Supremacy's broad, scarlet belt. One was a tiny carved human head, grinning. Another seemed to be a fragment of a mech carapace fashioned to resemble a long stalk from which a large seed sprouted. "You realize that bodies left on the field are used by Cybers?" "Yeasay." Killeen could not trust himself to say more; sarcasm crept in too easily. "They infest our heroic dead with eggs. Demon eggs!" TIDES OF LIGHT 241 "Yeasay." "Yet, knowing this foul fact, you chose to disobey." "Ah, I thought only 'bout my Family's safety." "And how will you feel when you see demons crawling the hills, demons born of your abandoned dead?" Killeen could think of nothing to say to this, so he simply bowed his head. "A portion of my godliness urges that you be erased from our cause. I could order you to the spit, to abide there until the corrupt fluids have drained from you." The crowd murmured with animal anticipation. Killeen saw Toby begin to edge a hand closer to his rifle. Killeen shook his head slightly. His son reluctantly let his hand drop. Killeen caught Shibo's eye and saw there something he could not deflect. She stood still and compressed in a way he knew well. "We Bishops," he said hurriedly, "we hunger for your cause." "Fiercely? Despite the sky demon we all witnessed?" "A deep hunger. Yeasay, yeasay." He made himself shout, "Show us the righteousness." Catcalls and jeers came from the crowd. A puzzled expression swept over His Supremacy as his eyes went blank. His lips trembled and he gazed up as though seeking celestial advice. The mob rustled. A chilly wind swept across the mountaintop. Finally His Supremacy said, "Yet generosity is sometimes wise. Mercy can flow from me as well as punishment, Cap'n." The crowd groaned with disappointment. "Still, I cannot allow a Family to suffer the guidance of such a Cap'n." Killeen opened his mouth, closed it. The man's moods flickered so fast Killeen could not keep up. "So! I shall appoint a new Cap'n of the Bishops. In time of trial and this is surely such---I retain that right. You"--he pointed at Jocelyn--"you will be the new Cap'n. Step forward!" Jocelyn took a pace forward and saluted smartly. Hands released Killeen and helped him to his feet. "I expect instant obedience in all things." "Yessir!" "We begin planning immediately for our next battle, a great struggle which shall turn the tide against the legions of monsters. And this time the Bishops shall lead." "Very good, Your Supremacy," Jocelyn said. "We are honored." 242 Gregory Benford "Prepare, Bishops!" His Supremacy called. "And tonight, celebrate with your holy exalted Tribal fellows the victories to come!" He waved her away. She stepped back, bowing. The crowd yelled halfheartedly and began to break up. Bishops glanced at one another uneasily. Jocelyn came to where Killeen stood, still unmoving. Only when she came to attention next to him did he realize that he should return to the ranks. Mutely he swiveled and went. Behind him His Supremacy went on, announcing the celebration of some religious event. The idea of carrying on a festival that evening, after the withering losses every Family had taken, gave Killeen a bitter taste. Family members, shocked by the abrupt change in Cap'ns, stared at him as he passed their sharply squared-out squads. Some in the formation gave him hidden signs of salute and others nodded in respect. The world seemed crisp and fresh to him as he just kept walking on blistered feet. FOUR Quath hurried up a steep raw cliff. She should not expose herself so, but she needed to search these mountain passes quickly for her Nought. She had thought she was following it closely, but then she had come upon a large pack and had to slip away to avoid detection. The Tukar'ramin agreed that she should avoid alarming the Nought packs until she was sure of snaring the right Nought, the one who knew the workings of the Nought ship from antiquity. To be certain her Nought was not caught in the ambushes that her fellow podia were springing on the fleeing stragglers, the Tukar'ra-min had called off all attacks. Now all attention turned to Quath's search. But where was the Nought? Its telltale had not reported on time. Probably it was damaged. This complication irritated Quath. She cast her electro-aura outward and caught fragrances of Nought lacing the senso-air of the mountains. They were congregating here, yes. What an opportunity! The podia could annihilate these pests by the thousands, once Quath had her catch safely encased. This vantage, scrabbling up the rough face of canted rock, gave her an umbrella coverage of the jumbled, sharp peaks of the entire range. She quelled the simmering panic among her subminds that height brought on. Only her sure grip saved her from succumbing to her deep fear of heights. Strangely, here at the planet's equator the effect of the Syphoning had thrust tortured crust still higher. It had compressed the basaltic underpinnings, splitting great seams and poking them into the underbelly rock of the range. Far away she saw a cone spitting sooty gouts into air already laden with churned dust. Calamity had cut broad swaths through the forests and plateau brambles. Mech mines had caved in. Their railways were smashed and buried. 243 244 Gregory Benford All good, but the rubble gave pests myriad hiding places. Quath clambered with six legs onto a high notch in the mountain. The main gathering of Noughts was one peak farther away, and she hoped they were as dull-sensed as they had appeared to be in the battle, or else they might detect her here. *Quath!* came the Tukar'ramin's call. 'I bring grave word.* Quath broke her communications silence in alarm. *No, far worse. There is conflict among the Illuminates.* Chaos reigned in Quath. *Yes.* 'I cannot fathom it myself, young podder, and I am far more skilled than you. This is the first time I have ever been privy to any Illuminate proceedings. To tap into a small fraction of the flow is to sense vast, sliding conjectures as tides in one's very soul. Do not ask me to describe it, for I cannot. Conflict rages among them like the smashing of suns in my mind's sky. I--I am still recover- ing my teetering equilibrium.* Quath said, though she did not. The Tukar'ramin's signals carried a sucking undercurrent of doubt and gray fear. *Some Illuminates do not want any foray into Galactic Center. They wax fiercely.* Quath trembled at her audacity to question as great a being as the Tukar'ramin about the far grander majesties of the Illuminates. *They sense a larger design behind this. A mech artifice, perhaps, to draw us into the Center.* Quath was careful to couch her objection in terms of the Tukar'ramin's own dictates. 'I had been so told, and until this moment I had never doubted. You are a Philosoph, Quath--you cannot know the won- derful shelter that we unmitigated intelligences know * Quath had a thin glimmering of what the Tukar'ramin felt. To have that certainty shattered by the spectacle of the Illuminates' differing among themselves must be a terrifying experience. Quath felt sympathy for the Tukar'ramin--and abruptly felt how far she had come from the Quath of her simple Hive days. To feel anything but TIDES OF LIGHT 245 unblemished awe for the Tukar'ramin would have been incomprehensible only days ago. *Other Illuminates think it is our true historic destiny to use these trifling Noughts, who by pernicious accident carry a key to the inner region.* The Tukar'ramin's muted carrier frequencies ran somber, muddled, tossed with flecks of pale doubt. *They differ. They have studied all these events and some feel that the Noughts were sent here as part of a larger work.* *A concept we do not fully understand. Some mechs do things for inexplicable reasons. They term it "art." Such works seemingly have no use.* Quath said practically. *Not necessarily. Some Illuminates feel the Noughts came in the ancient craft as an aid in stabilizing the meeh city conflicts.* *Perhaps. Like us, the meehs use a hierarchical system of command. The entities controlling this world before our arrival were low on the mech ladder of being. This was a mere tendril, an operation at the periphery of meeh interest.* Quath suppressed her momentary shock at this news. All along she had supposed their efforts here were of great import, driving terror into meehs everywhere. *In such eases, control must be delegated to the local level, and liberal use must be made of the stimulus of competition among subunits. * Quath sent undertones of confusion. *Efficiencies arise out of carefully regulated conflict. Note how much more diligent were your own strivings, small one, when you were stimulated by your rivalry with your sister, Beq'qdahl.* How little had escaped Tukar'ramin's attention! Had she engineered every detail of Quath's life? *This use of inter-unit striving is nearly universal. The meehs had a unified design for this world. But individual meeh cities and complexes here were allowed---even encouraged--to compete for resources, for challenging roles. Even the eelIs of all living things act in such a manner, jostling each other, seeking nutrients and higher tasks. Delicate chemical balances keep the process under control. When it goes well, the whole organism flourishes.* Quath recalled the plentiful, livid 246 Gregory Benford signs of inter-city battle on the planet's surface. Such scars did not look at all "well-regulated." *Indeed. With mechs, as living things, there is a danger to such a process. These tensions can spill over into greedy excess. It is known as cancer. A wild burgeoning of ego--of blind aggression by a part against the greater whole. The mid-level mech minds on this world began striving in deadly earnest. They employed new, vicious weapons against each other.* Quath experienced a leap of understanding.  She detected a rumble of satisfaction coming from Tukar'ramin, accompanied by something else . . . a hint, perhaps, of respect? *Indeed, young one. Your nimbleness of mind is pleasing. Noughts had long infested the interstices of mech culture as no more than irritants, occasionally employed for small purposes by lesser mech entities--more often, seen as pests to be squashed underfoot. Until the cancer began. Then they proved powerfully useful to one of the warring sides. The result was catastrophic. Their alliance weakened mech power in this system.* *Just so. It is why the Illuminates risked sending our expedition, with the precious Great String, to this place so near the fringes of mech power.* Quath felt she was beginning to sense some of the scope of this tale. It was vast, intimidating. *Certainly. But the cancer spread so rapidly, and our might descended upon this system so quickly, that we were able to establish ourselves before they could act to eradicate the cancer. With the string at our disposal, we defeated all expeditions sent to "cure" this wayward mech colony. And the Illuminates estimated that economics would prevent any truly massive counterstrike. This outpost was too unimportant to merit any such major undertaking. * *Nevertheless. Mechs elsewhere may have sought to send aid to their brothers here in more subtle forms, using sneaky tactics to slip medicine under our cordon of guard.* Quath felt a burst of insight. *That is what is believed by some of the Illuminates--those TIDES OF LIGHT 247 who see the vessel as a deadly missile, sent by our enemies, carrying agents harmful to our cause. It is why I received orders to sear them. It is why, at first, I sent you and your sister after them, to destroy them one and all.* Tukar'ramin paused, then resumed in lower tones. *But now other Illuminates contend that these strange new Noughts are special in yet another way. That theirs is a destiny linked somehow with ours. It is all so very confusing. Evidence on their ship points in both directions at once. There is a clear sign of mech design in their flight profile and in shipboard traces. Yet those ancient slabs you found have caused many Illuminates to believe that there is much more involved.* Quath's subminds whirled with the complexity of the choices. It reminded her of the queer conflicting emotions she had felt while hunting the Noughts out on the hardscrabble planet surface. She detected an echo of her own confusion resonating openly from Tukar'ramin, and found that more disturbing than anything else. *This is a crisis unlike any in my long life, little Quath. I obey a majority of those Illuminates who are within range to hear and judge on these matters. Since this mission itself was a venturesome one, that majority consists of several who believe in daring, in doing, in taking swift advantage of the opportunities hinted at in the ancient slabs.* Tukar'ramin shook her great form, rejecting the question before it was spoken. *What I know is how. The rnde laws of matter and light, of blunt mechanics and silky thermodynamic flows.* *I do not know why. That is not the strength of our race, as you must realize by now, little Philosoph.* *Of course. You did too, once. But I have observed the genes of the old, dead race emerge in you, gathering, reaching out. You will know better what to do in this grave whirl of chaos.* *Yes. Then we are doomed. Only our single-minded ferocity has given us sway over this world and others.* 248 Gregory Benford Quath said with absolute certainty. *Then let us decide this matter before the howling storm of doubt besets us! Find your Nought and let us be done with it.* Quath trumpeted a brave song-answer, clarion-clear and sharp. The blaring sound was ceremonial. Yet it was oddly gripping--even now, when she knew the falsity of all such gestures before the immense questions surrounding the podia, encircling all life. Newly resolute, she lumbered up a fissured scarp. She found a crevice near the brow of the peak, as close as she could approach the Nought gathering without revealing herself. Deftly she probed the night. She brushed against a faint reek of mechthought. It was clotted with pain and mired in agonized confusion. Probably, she thought, the last of its kind in this area. It seemed to be nearby, perhaps watching the Noughts as well. Its typical jangling and zigzag patterns were somehow immersed in Nought caterwauling, making it hard to find. Deal with it later, then. She probed again. Voices, pale hungers, timid musics--and abruptly her electro-aura drew her into the field of a Nought. Its essence resembled that of her own Nought, but Quath was unsure if it was identical. A tender-skinned thing this was, excitable, with spotty aches distributed through its body. It had the same stubby but clever hands, knobby spine, the surprisingly long legs with impossibly small pods to balance them on. It radiated feeling-tones that rattled the air with their timbre, and Quath suddenly understood. This one had the same flavor as her own Nought, because it had the same sex. How shockingly strange, to render the sexes so differently. Why? This one was taller, heavier, with 1.8 times the ratio of muscle mass to body mass than the last Nought she had entered. Was that the intention--specialization of function through altered bodies? No, she sensed immediately that these differences descended from the natural origins of the Nought. What selection pressure would force such divergences among the sexes? What advantage could it possibly have? On the contrary, Quath could see immediate conflicts in such an arrangement. She had simply never suspected that the strong Nought flavors meant sexual differences --indeed, seemed to salt the very air between them. So she had mistaken this Nought for her own because it, too, was muskily male. TIDES OF LIGHT 249 She held its muscles semirigid, as it seemed to want to do. With some effort she made the unnecessarily complicated apparatus of bones and interlocked muscles contract and stretch, successfully bringing a tool toward the face. Smells wafted up into cavities in the head, where recognition-flares called warm welcoming cries. She let the semiautomatic systems of the Nought bring the food into the primary mouth. She allowed it to chew. Sense-sounds exploded in Quath's electro-aura, which she understood were the sensations of taste that this creature enjoyed. The savor of masticating food swam through it, building notes upon submel-odies, making a small symphony of gratifying song. Three others of its kind were gathered near. A primitive naked oxidation bristled yellow-hot at the center of their little group. The Nought basked in its infrared emissions. Acoustic patterns played through the Nought's head. Quath saw that this was their only means of communicating at short range. Had they kept this as a nostalgic tribute to their early forms? Or--startling thought--were they still this elemental? Quath tried to sample the subminds of this Nought but found a mire. Where were the kernels of subsidiary intelligence? The interior bramble was too confusing to sort out now. She turned to more practical matters. The Nought could say nothing without Quath's taking more control. What was discourse like in this ancient acoustic mode? Gingerly she released the mouth. Curved the lips. Curled the fat, soft tongue that--now that Quath concentrated on controlling it--seemed to swell to fill the entire mouth. "Food good," the Nought said. Quath made sure the words carried a simple meaning. Less chance of error that way. The two words had bloomed naturally in the Nought's mind, streaming up from the concept-swamp. Quath had inspected them carefully as the Nought's nervous system began to transmit the instructions to the mouth to emit the sounds. Two words, very nearly the simplest possible message. A good start. They complied with the language's rudimentary grammatical rules, which were astonishingly one-dimensional, with hardly any methods of adding shadings of meaning in parallel dimensions of discourse. It was almost like speaking to a grooming mite in the Hive. But this experiment seemed to bring disturbed features bloom- 250 Gregory Benford ing in the faces of the other Noughts. She decided to cover this mistake, whatever it was. "Mouth feels wrong," the Nought's mind reported saying. Was something wrong with Quath's control? The other Noughts displayed widened eyes, slightly opened mouths, and more of their curious, archaic white teeth. "Fire is good," she made the Nought say. Perhaps slightly complicating the sentence would settle the problem. She took special care to make the lips and tongue do their appointed jobs well. Among its companions Quath saw more sliding of muscles and tendons beneath the sallow skin. These simple signals conveyed tension but she did not know how to read them accurately. Small furrowings deepened near the eyes. Mouth muscles struck lopsided positions. Yes, a lack of symmetry was probably supposed to communicate concern. Or anger, possibly including threats? It was all so confusing. And the), babbled at her, the acoustics coming in such a mixture of modes that Quath could not tell if they were speaking the same language as this Nought she had entered. "I do not feel so good," Quath made the Nought say. She elevated it to its precarious two feet and walked it away. The others did not follow immediately. Good. Quath did not want to provoke these simple beings into suspecting vhat was happening. The rattle of acoustic complexity that pursued her confirmed Quath's suspicions. Each of these things spoke a kind of idiosyncratic self-language. Their mouths were so inelegantly and inexpertly made that each minor slide and hitch of muscle and cartilage rendered words differently. How inefficient! Each word would have to be separately filed and tagged in the quick-mind, associated with a remembered word from some individual, and then in turn integrated with the other words in their primitive linear sequences--all in order to catch the meaning. That would tie up enormous submind space. No wonder they had never advanced beyond a one-dimensional model of language! They started at the beginning of a word sequence and had to march helplessly past every single sound group, before comprehending the whole. Yet that was essential, given the endless trouble they would have to go to in order to filter out and translate the infinite variety of pronunciation that came flooding into their TIDES OF LIGHT 251 knobby little ears. What conceivable purpose could there be to allowing this unending variation? Whatever the reason, the Noughts were still concerned. One of them rose and called after Quath's possessed Nought. Quath decided to vacate this being rather than try to repair the situation. But when she tried to let go of the small mind, her connections would not sever. She yanked. Nothing. Harder. Still she could not free herseltq. Some dim perception was trying to leak up from her subminds into foreground consciousness. No time for that. She had to get free before the Noughts understood. They might then damage this Nought in their tiny anger. If Quath was still present, the trauma might surge back along her own electro-aura and do her injury. She needed something to jar herself loose from the curiously sticky, hampering aura of the Nought. She made the hands slide over the body, seeking some useful tool. Ah, there. Then she had a very good idea. She swiftly carried it out. FIVE As a simple Family member Killeen immediately joined in the jobs essential to setting up camp. The Tribal supply train had brought meager provisions partway up the granite slopes and each Family had to haul their portion to their campground. The wind was coming up stronger and colder with nightfall. His Supremacy's tent dominated the broad stone crown of the mountain and his staff was erecting some sort of altar in front of it. Killeen and Shibo pitched their small tent in a narrow athwart the gathering wind. Toby and Besen were nearby. They all divided the skimpy food supply and figured how to cook the strangely spiced ingredients. Much of the Tribal supply had been stolen from mech stores. The stuff was gooey and lime green; Killeen guessed that it had been foodstuff that fed and lubricated the partly organic mech components. Spices had been added to make it barely edible. A thin reward for a day of hard marching. When Bishops protested, Tribal officers said mysteriously that there would be more to eat later that night. Small fires already dotted the mountainside with flickering orange dabs. Killeen didn't like this and started telling his people to stop. "What're you doing?" Jocelyn asked at his elbow. Without thinking Killeen said, "This high up, anything can get an IR on these fires from down below. They'll stand out against the sky." "His Supremacy's allowed fires tonight. Celebration coming." "I still think--" "You're not Cap'n anymore," Jocelyn said sternly. "I--well, look, we both know namin' Cap'n is a Family affair. That lunatic doesn't have power over--" "He's Elder. You heard him, he invoked emergency power, And you'll do as you're told." Jocelyn folded her arms and smiled coldly. 252 TIDES OF LIGHT 253 From her look, Killeen suspected that Jocelyn had already willingly accepted some of the special "priestly" Aspect chips His Supremacy had offered him upon his arrival. They were to be in exchange for what the leader had termed "irrelevant" Aspects from more recent times. The carrying of Aspeets was so personal, by ancient tradition, that even the messianic Elder could do no more than "strongly advise" this swap. Killeen had managed to politely decline. Conversations with other Cap'ns had convinced him that those chips reinforced the fanaticism of His Supremacy's followers. Was Joce]yn even now hearing new, forceful voices, urging her to zeal and obedience? If so, how long before such Aspects were installed into every member of Family Bishop? How many, then, would have the force of will to retain independent thought? It was rare, by all appearances, among the locals. When he simply looked at her Jocelyn said angrily, "And I'll thank you to deliver up the tactical systems chips." This was at least reasonable. A Cap'n carried those into battle. "You want 'era now?" "I'11 send a techtype to pop 'cm." KiIleen watched her go, feeling a churning in his gut. A demotion from command can have serious psychological consequences .... He savagely suppressed Ling, before the ancient starship captain could pronounce eulogy over his unsatisfactory tenure in command. Killeen had other ghosts to do that for him. Sitting on a rock, waiting for the tech-boy to arrive and strip him of his last prerogatives, Killeen moodily recalled the other Bishop Cap'ns he had known. Fanny--so sure and capable--who died in his arms. Old Sal--who retired in honor and grace to make way for one apparently born for leadership . . . Abraham. Yes, Abraham himself. Whose smile was relaxed. Whose laughter was earthy and infectious. Whose confidence was unshak-able. Who led Family Bishop through times of grit and grinding poverty, skillfully foiling the tricks of the mech exterminators, showing them how to hold back the encroaching desert, guiding the Family's labors until their Citadel was the flower of Snowglade. Abraham had drawn little notice from mech civilization, leading precise, efficient raids which took from the mechs no more than needed. He had taken just enough to maintain a level which---'ff 254 Gregory Benford inestimably lower even than the High Citadels of Arthur's time--nevertheless afforded dignity and grace. One in which even luxury was not unknown. Killeen recalled never missing a full, aromatic bath on his birthday. Not while his father was alive. Unfair. The Calamity had been such an unfair end to Abraham and all he built. For they had done nothing, nothing unusual, to draw such overpowering attention from the mechs! And yet titanic forces came down to crush them. Why? Why? The question had tortured Killeen for years. Things happened on that day which Killeen still did not understand. Sensations ··· bizarre colors in the sky. Swift clouds and flickerings he had never seen before or since. It had been as if all nature had joined with the mechs in their assault. Yet Abraham had fought on. Never flagging. Resonating encouragement. No one lost confidence in him, even at the last, as he held the rear guard firm, allowing Lieutenant Fanny a narrow chance to guide survivors away into scabrous exile. No one ever lost confidence in father. The words echoed inside him. Even in defeat, he was all a man should be. Miserable, Killeen allowed his head to slump down into his hands. He smelled acrid smoke, and knew that it was not from today's struggles. Rather, it was from that day long ago. The day when he should have died at his father's side. His sensorium had inadvertently called up the scent association. Why.. · do you persist.. · in thinking that he died? Killeen's head snapped up, partly in surprise that his Grey Aspect would rise up, unsummoned, to make a personal observation. He blinked. · . . The magnetic entity said... He shook his head. "I believe what I saw. I saw a bolt take away what was left of the Citadel. A flash, an' it was gone. Abraham is dead. An' soon so will we be." Killeen realized he had muttered aloud. He glanced around and saw Toby looking at him across the way. For his son's sake he made an effort to straighten his posture. He tried to wear an expression more serene than he felt, and had partly succeeded by the time a skinny boy with instruments and cold hands came to take away his command chips. He sat still, making no motion as TIDES OF LIGHT 255 the tech snapped open the back of his neck and removed bits of sensoria that had become as familiar as the nerves of his hands. A numbness settled in where each had been. He was in a good position to watch when Jocelyn came up the hill with a punishment detail and a Bishop man, Ahmed. They bound the man's hands and Jocelyn flogged him. From the techtype Killeen learned that Ahmed had made some disparaging remark to a member of the Sebens and His Supremacy had overheard. Normally such a thing would be passed over. Matters were not going to go easily for Bishops, that was clear. Killeen watched silently as Jocelyn whipped Ahmed. He recalled how agonizing he had found such matters on Argo. It was no easier to watch now, but at least he did not have to feel responsible. He had been vaguely planning to strike some deal with Joce-lyn, since he knew she would have trouble leading a Family which had already suffered so much. Changing Cap'ns was unwise amid disaster, and their situation transcended any difficulty he could remember, even the worst days on Snowglade. He now saw in her glinting eyes and set mouth a woman who had waited for just such a moment, and would not be talked into sharing the smallest speck of authority. He wondered for an instant whether he 'would have done the same if their situations were reversed. It didn't matter. In that moment he felt the weight of the Cap'ncy lift from him, cutting through the shock and sorrow of loss. He could be just another Bishop again. He could pay more attention to Toby and Shibo and perhaps escape the catastrophe he felt closer and closer now, a dark presence lying in wait in this blighted place. The cold-handed boy was finished. With genuine relief Killeen got up and walked away. Shibo and Toby cooked the green stuff over a crackling fire. It tasted far better than it had any right to, a sign of how tired and hungry they all were. Killeen let his feet soak in a warm, briny bath, hoping to drain his blisters. The pleasure of it alone was worth the trouble. This water-rich world had its compensations. His years aboard Argo had softened more than merely his feet. He thought wistfully of the comforts of the ship, the rich and exotic foods, the simple but crucial matters of warmth and light. He studied the haggard faces around the fire. How quickly they all had been cast down from the skies, forced back to the desperate 256 Gregory Benford existence they had known on Snowglade. Shibo had kept them together, but their dreams were shattered forever. There was no way to avoid discussing the battle and at first they kept their tones almost dispassionate. Their voices were low, somber, carrying the accumulated gravity of memories too fresh to be digested. First they analyzed the Cyber defense, a relatively neutral subject. Besen said, "If they know where main attack's comin' from, they can block shots." Toby said, "Then let's fire from different directions at the same time." "Hard," Shibo said. "Their screens move fast." "Still, we can try it," Besen said. Killeen was glad to see that Toby and Besen had figured their way through the lessons to be learned without prompting. They were growing up fast. Besen particularly would make a good lieutenant in a while. She was decisive. And Toby was improving under her influence. Killeen remembered how a boy was first entranced with sex, and then somehow started to learn from it. He felt a quiet satisfaction that Toby was coming out of the awkward teenage muddle. Both he and Besen had shrugged off the horror of the battle well. But then Toby said quietly, "Who started the runnin'?" and Shibo looked at Killeen, "Like most times, panic started in the rear," he said evenly. "Howcome?" Besen asked. "People back there got a better view, can see what's happenin'." She said pensively, "You'd think it'd come in the front." Shibo said, "The rear units think nobody's watching them." "Nobody at the front broke," Killeen said. Toby blinked. "You mean Loren wasn't turnin' tail?" "Naysay," Killeen said softly. "He was cuttin' left, tryin' for a better angle on a Cyber." Relief washed over Toby's face. "Good. Rumor was he'd dropped his beam-shooter, cut, and run." "Naysay. Cyber killed him outright while he was in what looked like good cover." Besen and Toby both sighed, their faces losing some of their pinched sorrow. Killeen understood then that the seemingly small issue of Loren's behavior in the moments before he died had loomed as large for them as his death itself. The curious and yet utterly human morality of the battlefield shielded them from the TIDES OF LIGHT 257 full brunt of their grief; they clung to the hope that good conduct meant a good death. He envied them that common defense of the young. It would not last long. Killeen sat immersed in his own gray thoughts until Toby abruptly said, "Fudd gud." Killeen glanced at him, thinking that the boy had his mouth full. "Mauf fills rung." Killeen gave him a quizzical glance, suspecting a joke. Shibo and Besen seemed more concerned. "Fir hiss gud." Spasms flitted across Toby's face like storm clouds scudding. Toby got up unsteadily, eyes veering around. "Ah donut fill so gud." On ramrod-straight legs the boy took awkward steps away from the fire. Killeen called, "You better lie down. This chow--" Toby fished forth his belt knife. It was a prized possession, the blade of worn but flexible blue steel, fully as long as the boy's foot. Toby's mouth worked as he peered down at the blade as though he was studying his reflection. Then he took two stiff steps to a thick tree with rough bark that slanted out from the ravine wall. Without a pause Toby drew back the knife with his right hand and placed his left hand on the tree, palm down. Killeen saw what was going to happen a long, slowmotion instant before it did. He leaped forward, a shout beginning in his throat. Toby slammed the blade down into his hand, pinning it to the hilt in the tree. By the time Killeen reached him Toby was screaming with all the force of his lungs. When the air ran out the boy gasped and then started screaming again. Blood flecked his cheeks and hair. A thin red trickle began running down the tree, following the crevices in the crusty bark. Toby's right hand now yanked back on the handle of the knife but without effect. He screamed hoarsely and gasped, gulping in air, and screamed again forlornly, this time, hopelessly. "Let go!" Killeen shouted. He grabbed Toby's right hand, which was trying to wrench the knife out. The blade was driven halfway into the bark, "Let me take it, son. I'll get it." Through a glazed, crazy sheen in his eyes Toby seemed to 258 Gregory Benford recognize his father. He opened his mouth to gasp and began screaming again. "You're twisting it!" Killeen shouted. Toby's yanking at the handle had rotated it, cutting the hand more. The trickle of crimson thickened. It reached the ground and began to spread into a pool. Killeen cried to Shibo, "Hold him." She and Besen quickly slipped arms around Toby, who had started to rock back and forth on his feet, screaming and gasping. The wail roughened and Killeen could hear his son rasping his throat raw. He carefully pried Toby's fingers from the handle. "Griefl Griefl" Shibo cried, an ancient mournful curse. "Toby--how, what--" Besen began, then burst into frightened tears. Sobs escaped from Toby's strained throat. His mouth contorted but he could not speak. Killeen braced himself. He concentrated and with one movement pulled the knife cleanly from the tree. Toby collapsed. The women lowered him to the dusty gravel nearby, avoiding the puddle of brown-crusted blood. Killeen threw the knife aside and found his carrypack a short distance away. He found some organiform cloth tucked in a pocket and cut it into slices with his own knife. Toby was thrashing under the women's hands, moaning, gulping, shouting incoherently. Other Bishops came running. Killeen made a tourniquet and bound up the hand while the women continued to hold Toby down. Then Shibo untied it and did the job again, better. Toby gasped fast and shallowly, face ashen. "Son--son," Killeen said. The boy stared up at the night, where ruddy light seeped from distant molecular clouds between the stars. "Son, what...?" Besen had stopped crying while the three of them worked on the hand and now she started again, sobbing softly. Killeen's mouth was dry and he could not get the coppery tang of blood out of his nostrils. "I . . . Somethin' . . . Had an idea. Do that." Toby got the words out between chapped, white lips. "Your idea?" Shibo asked. "I... dunno." "What was it like?" TIDES OF LIGHT 259 "A big... Slick. Shiny, almost." "What did it look like?" Besen asked, choking back her tears. "I ... Big, pressin' in on me. Look ...?" Toby frowned, staring into space. "Oh, why, why--" Besen began. Killeen held up a hand to cut her off. He nodded to Toby. "Yeasay, son. What did it look like?" "Looked so . . , so shiny. And . . . no face. No face at all." SIX The jut and tumble of these ragged mountains snagged Quath as she fled. Sharp stone teeth nipped at her. She stumbled several times, barely catching herself. Fresh outcroppings had flowered into spreading black fans, liberated by the last quake. They rasped on her undercarriage. Her minds rattled with percussive confusion and her only reaction was to move, run, escape. It had been a near thing. She had almost been caught and pinned, drawn into the Nought mind she had invaded. Yet that was impossible. Hers was a well-ordered, multiple mind, capable of calling up enormous volumes of knowledge, of marshaling mental resources in a microsecond, of overwhelming with layered mass any simple, linear Nought mind. When she had carried her own Nought inside herself she had merely verged on its mind. Preoccupied, she had made only glancing contact. Occupying her second Nought had been equally simple. And, she now saw, each time some unsuspected barrier had fallen. All her wrenchings and lacerating blows had not gained her freedom from this latest, apparently minor intelligence. Trying to extricate herself, she had found her self-aura immersed in a swampy, sucking underlayer. It was cloying and thick, a muddy sludge of clotted, unconscious impulses, memories, gnarled subsystems. Here was where this Nought truly lived. Quath had sensed its raw, sticky pull in a jolting instant of profound surprise. The mind's upper layers were mild and obliging, like cool, smooth corridors beneath the linear engagements of the conscious--while far below, in chambers walled and ramified with bony purpose, lurked a complex, ropy labyrinth of strange power. Or minds. Quath was not even sure the Nought was a single intelligence. Its highest echelons had seemed to be more like a passive stage than a directing entity. There, on a broad, level area above 260 TIDES OF LIGHT 261 the syrupy seethe, factions of the undermind warred. An abyss yawned. Instincts spoke quietly, effectively, never falling silent. Emotions flared prickly hot--heckling, yearning, always calling the higher intelligence away from its deliberations. Zesty hormones surged---not to carry wedges of information or holistic images, as in Quath, but to flood the bloodstream with urgent demands. Organs far from the brain answered these chemical heralds, pumping other hormones into the thumping flow, adding alkaline voices to the babble. Ideas rose like crystalline towers from this swamp, glimmering coolly--but soon were spattered with the aromatic chemical murk, blood on glass. These elements merged and wrestled, struggling armies rushing together in flurries, fermenting, spinning away into wild skirmishes. Lurid splashes festooned the brittle ramparts of analytical thought. A churning mire lapped hungrily at the stern bulwarks of reason, eroding worn salients even as fresh ones were built. Yet somehow this interior battle did not yield mere confusion and scattered indecision. Somehow a single coherent view emerged, holding the vital, fervent factions in check. Its actions sampled of all the myriad influences, letting none dominate for long. Quath marveled at the sheer energy behind the incessant clashings, and at the same time felt a mixture of recognition laced by repulsion. This Nought's inner landscape was far more complex than it should be. No wonder it had not attained the technological sophistication of the podia!--it labored forward in a howling storm, its every sharp perception blunted by fraying winds of passion. But by the same stroke, it had a curious way of skating on the surface of these choppy, alchemical crosscurrents. Some balance and uncanny steadiness came from that. It was much like the way they walked falling forward, then rescuing themselves by catching the plunge with the other leg. This yielded a rocking cadence that echoed the precarious nature of the being itself. Not a single mind . . . and not multiple, interlocking intelligences, such as Quath. She should inform the Tukar'ramin, she knew. This discovery came as a complete surprise, with implications Quath could not fathom. But for now she was unable to think clearly. Her smaller 262 Gregory Benford minds urged different courses, yelping and squirming. She silenced them and imposed a stony resolve: keep far enough away from the Noughts to escape detection. She had to learn more of what they were. Cobwebs of the Nought mind still clung to Quath. They brushed across her field of vision, shimmering traceries of doubt. The very air elamored with skeptic winds. In rattled confusion Quath stumbled on. SEVEN Killeen was sleeping deeply when the first hard jolt rolled through the mountain. He came awake at once and rolled out of the tent, coming to his feet as Shibo followed him out. A second shock knocked him down. Jarred, his optieals took a moment to adjust. His eyes auto-marieally eyeled through to their most sensitive mode, because he had left them set for night vision. But this made the landscape glare as if under a noonday sun. Brilliance cascaded down, bleaching out colors and shadows. The entire bowl of the sky glowed with rich gold. The Syphon. The cosmic string was again revolving, sucking the rich ore from the planet's center. Imploding rock far below sent immense waves. He felt through his feet the slow, rippling surge of colossal movements thousands of kilometers below. "Out!" he called on comm. "Leave the ravines. Get into the open!" He and Shibo had slept in their full boot rigs. They swept up their packs and were headed out of the arroyo when he saw that Toby and Besen were sitting, pulling on their boots. "Belay that!" he called. The ground wavered beneath him, making it hard to stand. "gun barefoot." Toby looked up at his father vaguely, still half-asleep. They had given him what pitifully few medical measures the Family still had against the pain and infection of his wound. Killeen scooped up Toby's pack and Shibo got Besen's. "Come on!" she yelled. A rock as big as a man came thundering down the ravine. It rolled straight through two tents above them. It thumped hollowly and rushed by. Edges smashed off, showering them with shards as it lumbered past. It took their tents with it. They ran up the slope until they reached the scree. Killeen helped Toby stumble along the parts where recently settled dust 263 264 Gregory Benford made slippery going. The boy was still groggy and cradled his left hand. Killeen kept an eye out for the stones clattering down and steered Toby away from them. The sky's steady glow made it easy to dodge the debris and boulders that rumbled past them. Not everyone was as quick or as lucky; surprised eries of pain came from the ravine below. They stopped when they got onto a flat, open slab of rock. The tall granite buttress and angular crest above seemed already scoured of loose stone. "lally here!" Killeen called on comm. --Shut up!-- Jocelyn shouted furiously. --Bishops! Home on my point]-- "Joeelyn, it's clear over this way," Killeen said. --Bear on me! Don't rally to Killeen!-- The ground shook and rolled and trembled endlessly. Bishops crawled and ran up the flanks of the saddleback, fleeing the ravines which funneled rockslides. Killeen said no more on comm. Jocelyn was clinging to a chimney slope nearby. It looked safe as long as the shoulder range above didn't slide. Few Bishops joined her. Most made their way to the ground below Killeen. The quakes eased slowly. Joeelyn's area held. Mter a while she inched down the slope and led her small party across the saddleback. She came onto the open slab where by now over a hundred Bishops had spread out so they could easily dodge the tumbling rocks. "You're undermining my Cap'ncy," Jocelyn said, panting, as she approached. Killeen shook his head, not trusting himself to say anything. From downslope came crashes and shouts. A deep, slow rumbling swept up the mountain, as though the whole planet were breathing in painful gasps. --Assemble! Assemble!-- came the harsh call of His Supremacy. "Let's go!" Jocelyn cried to the Bishops. "Safer stay here," Killeen said. "You'll do as His Supremacy orders!" Joeelyn snapped. Toby and Besen had gotten their boots and packs in shape. The four of them set off across a granite plain scarred by rockslides. The tremors muted somewhat, as though the gnawing at the center of this world had ceased. Killeen studied the shimmering curtain of gold overhead but could see no sign of the extruded core metal. Something dark moved high up, a mere scratch against the glow, but nothing more. When they arrived at the next broad rock shoulder His Su- TIDES OF LIGHT 265 premaey was already speaking to the Families that were raggedly assembling before him. "This is yet another attempt by the demons and devils released upon us, a failed attempt to make us disperse, to miss our conjunction with our sole remaining thread of hope. The Skysower shall arrive soon, my Aspects calculate. Prepare!" The other Families began to gather gnarled branches and bushes for a large fire. They stumbled and fell as the ground shook, but they kept on. Killeen and the others stared in disbelief. Then His Supremacy cried, "Behold! The moment is upon us!" Killeen looked up. A thin band hung above the mountain, visible only as a black segment against the glow. It moved. The nearly straight line slowly shortened and grew wider. Killeen had the sense that he was looking along the length of something far larger than it appeared. The band curved slightly with an almost languid grace. The gossamer glow behind it added to the perception that the band was moving rapidly, sweeping across the sky like a black finger that turned adroitly, serenely. Killeen thought that it looked absurdly like a stick thrown so high that, twirl as it might, it would never come down. Then the sound of it came. At first Killeen thought he was hearing a deep bass note that came up through the soles of his boots, but then he realized that the slow, gravid sound came pressing down from the sky. It boomed, a single note that frayed into a chorus of shifting overtones, plunging deeper and deeper into frequencies that he felt rather than heard, wavelengths resonant with the entire length of him, so that he listened with his whole body. It was like the beating of great waves from space itself, driven by tides of light to hammer against the small pebbles of planets and stars, washing over them in rivulets. Something came climbing down the sky. The slow, rolling notes brought long-reverberating fears. The rock below them had betrayed its ageold promise of solidity and now the strange dark ribbon above opened its own chasm of doubt. Killeen vondered if the thing could be some Cyber device, like the cosmic string. If so, there was no escape. Clearly it was headed down toward them here on the bald, exposed crown of the mountain. He sensed the immensity of the thing without being able to see any detail in it. Then he began to hear strumming notes that hung in the air. They rose like the sound of wind streaming through tall trees, as 266 Gregory Benford though a gale swept the huge thing above, as though it were made of wood and leaf. His Supremacy was shouting something, religious phrases that ran together and made little sense to Killeen. "Behold, a sower went forth to sow. And to those c sen it was given to know the mysteries of the kingdom of heaven, brought by the sower. And to all things mechanical it was not given!" He saw suddenly that the ribbon above, expanding gradually, was slowly curving down to point its long, tapered end directly at the ground. At them. Now that it drew closer, Killeen could make out details lit by the skyglow. Great sinews like cables stretched down, interrupted by knobby bulges, like the vertebrae of an immense spine. It groaned. The thing rushed down the sky at them, emitting vast twangings. Taut strands split the air with great hard cracks. A symphony of snappings and protracted pops sounded, building to a torrent of noise-- --and something smacked into the rock near them. It smashed open, showering Killeen with aromatic juice that caught in his beard. He jerked back, but the smell was pleasant, sweet, cloying. Another slammed into the mountain, then another. They pelted the whole mountainside. Families shouted with glee, not terror, as more of the big, oblong shapes rained down on them. Killeen dimly realized that he had not felt fear as the band rushed toward them. Somehow he had quickly sensed that this was not a Cyber machine, not a threat. Pops and cracks still rained down, but ebbing now, as he saw the long thin line, slightly curved, drawing away again. It had seemed to come nearly straight down, spearing through the sky as though to point a finger of accusation--or beckoning?--at the huddled humanity upon the mountaintop. Wonderingly, he walked over to the nearest fallen object. The egg shape had split, spattering moisture everywhere. Small gray spheres were mixed in with the juice. Killeen scooped some up and smelled a light sweetness. Without thinking, his normal caution swept away, he bit into one. A pleasant, oily taste flooded his mouth. "No! No!" A Trey rushed up to him. "Save for the cooking." Killeen watched as the man gathered up the split pod and staggered off with it, scarcely able to carry the weight. Everywhere on the mountainside people ran to collect them. Others TIDES OF LIGHT 267 stoked the growing fires. Some already spitted the pods on sticks and began roasting them over dancing flames. Killeen let himself be caught up in the jubilation. The Tribe, worn down by its long retreat and short of food, needed a celebration. Without questioning why, he knew that this manna brought literally from heaven was good, healthy. The thick, heady aroma of the roast promised delights to the nose and mouth. Even the continuing shocks that surged through the mountain did not bother him. He watched the dark blade that had cut the sky recede farther, making the sky shudder, curving slightly as it rose. It had spent only a long moment at its farthest stretch, hovering over the mountain summit as though to deliver a benediction--which it had. EIGHT Through the cold mountain night Quath felt a massive presence descending. She had taken shelter in a fissure beyond where the Noughts lurked. From this vantage she could pick up their effusions and leakage radiation. They plainly thought their small bubbles of electric perception, damped to the minimum, could elude the podia. Quath penetrated the tiny, wan spheres with ease, inspecting the fitful firefly radiances that simmered there. But she could extract little of use to her this way. Certainly she learned nothing that went beyond her scorching revelations while actually encased in the Nought. Rivulets of Nought thought slipped through the chilly air and snagged in Quath's electro-aura, flapping like tiny flags in the perception-breeze. And the telltale she had planted on her Nought was silent. Still she was reluctant to approach the mountaintop. Another incident might alert them fully, scattering them and making Quath's quest harder. Then she had felt the first high, tenuous note sounding down from far to the west. The high treble skated on the air, pursued by booming bass notes. They rolled like steady thunder. The source came down and forward at a speed that Quath thought at first must be an illusion. Stuttered Doppler images came too fast for her. Old fears welled up. The podia had come from ground-grubbing origins. Heights brought acute, squeezing panic to them. That was why they did not hunt for enemies from the air, no matter how efficient such searching could be. It had taken millennia for the podia to be able to tolerate the keening sense of falling that came in orbit. Only genetic alterations had made space travel possible for them . . . though it did not erase the persistent terror that flight over the nearby landscape brought, with its gripping images of precipitous possible falls. Quath and the others managed to loft for short 268 TIDES OF LIGHT 269 distances only by turning control over to a submind, reducing the task to distant mechanical motions. But this thing!--it plunged as though oblivious to the ram pressure of air. A ship? No--the dark line spanned a quadrant of the sky. A falling chunk of the podia's construction? Impossible--its browns and greens were unlike the enormous gray labyrinths they built. Down it came. Quath broke her aura-silence and called to the Tukar'ramin. The swelling intelligence came at once, flickering in the crisp air. *I understand your panic. Had I not been concerned with more grave and pressing matters, I would have warned you.* Quath asked, trying to seem composed. *No. It will not touch the ground at all.* *Attempt no such foolishness. Here.* In Quath's aura burst a flowering electrical kernel of knowledge, fat and sputtering. Data impacted, data rampant. She swallowed it, converting the spinning ball of inductive currents into readable hormones. Scents and aromas bloomed, packed with stunning detail. *It comes unfiltered from the Illuminates.* The honor of receiving such a holy kernel stunned Quath. She tentatively tasted. An astonishing central fact swept over her like an icy stream: The thing above was alive. Its history had been buried in a musty vault of supposedly minor knowledge, Quath was shocked to find. Certainly none of the podia had spoken much of this thing. Yet, as she unpeeled the layers of hormonal implications, the crux became ever more impressive. Quath cried, as the history of the thing poured through her, her subminds dissecting the myriad nuances. *We did not consider it vital,* the Tukar'ramin replied. *It is a curious object, granted. It may he of use to us in the future.* Quath felt dismayed shock at the Tukar'ramin's bland unconcern. Then her eharaeterologieal submind took hold and reminded her that she was, after all, only a recently augmented member of the Hive. Her great advancement, the revelations about her Philosoph components--these still did not mean she 270 Gregory Benford could blithely question the Tukar'ramin's judgment. She sored the strangely cool presence--the very voice of the Illuminates. Above, the thing came down through thunderclaps and vortex night. It had started as a seedbeast, far out at the rim of this solar system. It was then a thin bar of slow life struggling in bitter cold. Threads trailed from it, holding a gossamer mirror far larger than the bar. Wan sunlight reflected from the mica mirror, focusing on the living nucleus, warming it enough to keep a tepid, persistent flow of fluids. In hovering dark far beyond the target star the bar waited and watched. Passing molecular clouds brushed it with dust, and this grimy meal was enough--barely--to help repair the occasional damage from cosmic rays. Filigrees of muscle fiber kept its mirror aligned and formed the rigging for later growth. Even so far from the star, sunlight's pressure inflated the large but flimsy structure. A slight spin supplied aligning tension, through crisscrossing spars. The wan but focused starlight fell upon photoreceptors, which converted the energy into chemical forms. The seedbeast did not need to move quickly, so this feeble flow of power was enough to send it on its hunt. No mind sailed in this bitterly cold, black chunk. None was needed... yet. The filmy mirror played another role. As the bed of photore-ceptors grew through the decades, the image formed by the mirror broadened. Occasionally contractile fibers twitched. Weightless, the mirror canted to the side and curved into an artfully skewed paraboloid. Slow oscillations marched across the field of sewn mica. Leisurely, undulating images of the star rippled away to the edges, sending long waves through the rigging. The shimmering surfaces cupped dim radiance, compressed it. Momentarily this gave the receptors a sweeping image of the space near the approaching sun. For a very long time there was little of note in the expanded imageonly the background mottling and lazy luminescent splashes in the molecular clouds. Against this wash of light the prey of the seedbeast would be pale indeed. But at least the beast found a suspect pinprick of light. Was it a ball of ice? Ancient instincts came sluggishly into play. TIDES OF LIGHT 271 Specialized photoreceptors grew, able to analyze narrow slivers of the spectrum that came froln the far, dim dot. One sensed the ionized fragments of hydrogen and oxygen. Another patrolled the thicket of spectral spikes, searching for carbon dioxide, ammonia, traces of even more complex though fragile forms. Success would not come on the first try, nor even on the tenth. Not only did the seedbeast demand of the distant prey a filmy, evaporating hint of ices; the precometary head had to move in an orbit which the seedbeast could reach. At last one target daub of light fulfilled all the ancient genetically programmed demands, and the seedbeast set forth. A long stern chase began. Celestial mechanics, ballistics, decision-making--all these complex interactions occurred at the gravid pace allowed by sunlight's constant pressure. Great sails grew and unfurled from the beast. Snagging the photon wind, the thing tacked and warped. Centuries passed. The tiny image of the prey waxed and waned as the elliptical pursuit followed the smooth demands of gravity. The prey swelled ahead, became a tumbling, irregular chunk of dust and ice. Now came a critical juncture: contact. Data accumulated in cells and fibers designed for just this one special task. Angular momentum, torques, vectors--all abstractions reduced finally to molecular templates, groupings of ions and membranes. Achingly slow, the beast made calculations that are second nature to any being which negotiates movement. But it could expend its limitless time to minimize even the most tiny of risks. Slender fibers extended. They found purchase on the slowly revolving ice mountain, each grappler seizing its chosen point at the same moment. The beast swung into a gravid gavotte, spooling out stays and guy threads. The slight centripetal acceleration activated long-dormant chemical and biological processes. Something akin to hunger stirred in the cold bar. Its sail, mirrored by countless mica-thin cells, reflected the distant star's glow onto the prey. This patient lance of sunlight blew away a fog of sublimed ice. The beast tugged at its shrouds to avoid being thrust askew by the gas, but kept the precise focus. A shaft deepened. At random spots inside, residual radioactivity had melted the water ice, forming small pockets of liquid. The seedbeast extended down a hollow tendril. The first suck of delicious liquid into the reed-thin stalk brought 272 Gregory Benford to the seedbeast a heady joy--if a conglomerate of reproducing but insensate cells can know so complex a response. More tendrils bridged the gap. They moored the beast to the iceball and provided ribbed support for further growth of the sail. The glinting, silvery foil sent lancing sunlight into the bore-hole, exploding the chemical wealth into fog. Food! Riches! Many centuries of waiting were rewarded. Thin, transparent films captured the billowing gas. Eager cells absorbed it. Nutrients flowed out to the seedbeast's core body. Spring came after a winter unimaginably long. Finally the conical hole was deep enough into the ice to ensure protection from meteorites and even most cosmic rays. The bar tugged at new contractile fibers. Its nest was safely bored. Gingerly, it migrated. Care informed every move. Painfully tentative tugs at its contractile strands brought the dense, dark axial bar safely down into the pit. Here it would reside forever. The descent of the central axis, now swelling enormously, inaugurated fresh responses. The beast grew crusty nodules that sprouted into pale, slender roots. Deep molecular configurations came into play. Though it had nothing resembling true intention, the beast began preparing for its next great adventure: the fall sunward. No intelligence guided it yet. The rough bark and dark browns of the body sheltered complex genetic blueprints, but no mind. Boots poked and pried through the ice. Complex membranes wriggled, the waste heat of their exploring melting a path. Then they sucked out the thin liquid-building more tissue, forcing open crevices. A fraction of the slow wealth worked back to the central body, where more minute blueprints unrolled in their molecular majesty. Mining roots sought rare elements to build more complex structures. Ever-larger sails grew. The iceball that might have become a mere comet felt patient, cautious probings. The beast could take unhurried care, lest it find some unexpected danger. Fans of emerald green crept over the grimy surface ice. In a century the tumbling ice mountain resembled a barnacled ship, overgrown with mottled, crusty plants that knew no constraint of gravity. Sap flowed easily in wide cellulose channels. Contractions brought warming fluid to stalks that fell into shadow. This spreading, leathery forest occasionally heaved and rocked with sluggish energy. It extended great trunks high into the blackness above. Trees of thick brown butted against one another TIDES OF LIGHT 273 in competition for the sun. Leaves sprouted, wrinkled and lime green. Only the ever-swelling sails could stop the woody spears' outward thrust. When a trunk shadowed the sails, a signal worked its way down through the tendrils. In the offending tree sap ebbed, growth stopped. The trunks were not simply made. Inside the ice, mining roots sought lodes of carbon. Though the plants above displayed impossibly ornate convolutions and flowerings, this was a minor curlicue compared with the sophisticated complexity that went on at the molecular level of the mining roots. They harvested carbon atoms and towed them into exact alignment, forming its crystal: graphite. Slight imperfections in the match were negotiated by a jostling crowd of donor or acceptor molecules. Great graphite fibers grew with cautious deliberation, flawlessly smooth. Countless other laboring molecules ferried the graphite strands beneath the tree bark. Years passed as they merged, providing structural support far beyond what the gravity-free plant needed. The fibers waited in reserve, for the overgrown ice world was steadily swinging inward, toward the sun. By now the forest had swelled to many times the size of the parent iceball. The star ahead was no longer merely a fierce point of light. Millennia of tacking in the soft breath of photons had brought the comet-beast within range of the planets. The pace quickened aboard. Small, spindly creatures appeared, concocted from freshly activated genetic blueprints. They scampered among the foliage, performing myriad tasks of construction and repair. Some resembled vacuumproof spiders, clambering across great leathery leaves with sticky-padded feet. They could find errors in growth, or damage from piercing meteoroids, beneath the pale light of the distant sun. Following instructions carried in only a few thousand cells, these black-carapaced beasts poked thin fingers into problems. If a puzzle arose beyond their intricately programmed routines, they found the nearest of the coppery seams that laced around the great trunks. These were superconducting threads. Making contact, the spiders could communicate crudely but without signal loss to the core-beast. Electrical energy also flowed through the threads steadily, charging the spiders' internal capacitors and batteries. Though 274 Gregory Benford biologically hardwired for their tasks, the spiders could receive and store more complex instructions for temporary problems. The greater core-beast was simply a larger example of such methods; complex and resourceful, it was nonetheless not yet an autonomous intelligence. The moment came for more powerful maneuvers. This registered in the core-beast and brought forth a response that a witness might have found to be evidence of high originality. Silicates began to collect on the one surface spot left bare by the plants. Spiders and crusty fungus together fashioned ceramic nozzles and tanks, linked by clay-lined tubing. Carefully hoarded oxygen and hydrogen combined in the combustion chamber. An electrolytic spark began a steady contained explosion. The comet-beast moved sunward again. Still, its destination was not the fiery inner realm. Its hoard of ice would have sublimed there, disemboweling the beast. The sun could never be a close friend. Instead, it followed a gradual inward spiral. In time the heat generated in the crude rocket engine threatened to warm the comet too much. When melting began, the beast switched to smaller pulpy bulbs, grown like parasitic sacs far up the towering trees. These combined hydrogen peroxide and the enzyme cata-lase, venting their caustic steam safely away from the precious ice reserve. It pursued a particularly rich asteroid which the solar mirrors had picked out. Cellulose bags grew near the photoreeeptors and filled with water. These thick lenses gave sharp images which the comet-beast used to dock itself adroitly alongside its newest prey. Breaking up the tumbling, carbon-rich mountain took more than a century of unfiagging labor. Larger spiders came forth, summoned by deeper instructions. They ripped minerals from the asteroid with jackhammer ferocity. Crawling mites urged on the slow, steady manufacture of immense graphite threads. From silvery silicates the myriad spider swarms made a re-fleeting screen. Swung on contractile fibers, this fended off the occasional solar storms of high-energy protons that came sleeting into the comet-forest. The beast continued to spiral inward. Pro-teeting the more delicate growths and preventing ice losses became its primary concern. The beast grew now by combination. Graphite threads en-twined with living tissue along a single axis. What had begun as a thin bar now replicated that form on a huge scale. TIDES/OF LIGHT 275 The skinny, iron-gray thing grew slowly as meticulous spiders helped the weaving. Gradually the asteroid dwindled. The bar became immense. It was thickest at its middle, where the core-beast now lived inside. Even cosmic rays could not reach through the protective ice and iron to damage the genetic master code. Then chemical vapors poured again from low-thrust ceramic chambers. And a new trick was turned: electromagnetic drive. Induction coils surged with currents, propelling iron slugs out through a barrel. This mass-driver shed matter that the beast did not need, banging away like a sluggish machine gun. The assembly began another voyage, this one much less costly in energy. Still, it needed many orbits to complete the efficient loop to the next asteroid. Centuries passed as the ever-lengthening bar consumed more of the stony little worlds. Solar furnaces made of the silvery reflecting films smelted, alloyed, and vacuum-formed exotic, strong girders for the bar. But the central art was the incessant spooling out of graphite threads to join those already lying along the great bar. Many thousands of years passed before the final stage in the great beast's growth to maturity began. The last, most complex gene sites deep within the original biological substrate began to replicate themselves. Intelligence is, finally, in the eye of the beholder. The actions which followed would have seemed to observers to be obvious evidence of problem-solving and creativity on a scale, and at such speed, as to completely prove the guidance of a considerable mind. Perhaps the cells that directed the vast bar-beast still farther sunward were, by now, a mind. Here distinctions turn on definitions, not data. The beast had decided on its final destination long before: a planet with abundant liquid water. The beast was immensely long by now, grown to a third of the target planet's radius. To the eye of an inhabitant of the planet, though, it was very nearly invisible--because the vast brown-black construction was only slightly thicker than the original comet-beast. Indeed, a dab of ice still clung to the exact center of the immense cable. Caution dictated that the beast always have a reserve. Still, as the planet swelled from a dot to a disk, more mirrors deployed behind it--a precaution against defense by possible in- 276 Gregory Benford habitants. None rose to meet the beast. Mechs had not yet come to the world, and the lesser life which dwelled there probably did not give even passing attention to the slim, dark line in the night sky. Still, a few small asteroids did pass momentarily across the face of the planet. Ever cautious, the beast focused its great mirrors. The offending motes fused into slag. The beast always erred on the side of prudence. Still, its greatest risk now yawned. With grave deliberation, mass-drivers began to fire all along its length. They slowly flung away the last reserves of useless slag, subtracting orbital angular momentum. This planet did not have a moon, so the beast could not undergo repeated flyby encounters to lose its momentum. Instead, decades of careful navigation brought it closer to the world. The grand moment came at last. The nub end of the bar-beast swept up the first atoms of the atmosphere. This sent complex signals through the superconducting threads that wrapped the bar. Something like elation triggered more rapid molecular transitions. It tasted the tenuous air. This was wealth of a new sort: mild gases, water vapor, ozone. Especially broad leaves captured minute amounts and pooled them in great veins. Samples reached the core-beast and were judged good. The land below lay ripe with life. This was the long-ordained paradise the beast sought. Now it began on the full task of its maturity. The great bar began to spin. *As you witness,* the Tukar'ramin interrupted Quath's meditation, *the Illuminates know much of such objects.* Quath had absorbed the yawning history of the beast in a glimmering fragment of a moment, faster than an eyeblink. The massive thing still plunged down the sky, framed against the glow of the revolving Cosmic Circle. *No, the Circle orbits much farther out. Your signal carries overcurrents of alarm, Quath. Why?* · Surely you err.* The Tukar'ramin's tone was suddenly cool. Quath said diplomatically, Their conversation had proceeded through several microseconds as Quath peered upward in awe. · Not at all,* the Tukar'ramin said condescendingly. *Such structures are a minor element in the greater equation of this world. I have news for you--* Quath repeated this timeworn homily while her overmind swirled with smoldering, long-suppressed impulses. The Tukar'ramin's aeousto-magnetie profile took on tints and flavors Quath had never felt before. *There is holy conflict. Even the Illuminates are divided, and struggle against one another. 278 Gregory Benford Mordant hues conveyed the gravity of this revelation. 'I do not understand what is happening. Some of the podia of our own Hive do not respond to my commands. They are carrying out purposes I do not know.* Quath said sharply, *Some of the Illuminates feel we should not pursue this aim, should not venture toward Galactic Center as yet. Certainly, they say, we should not do so using the unreliable knowledge gained from a lowly Nought craft. * *Yes, I gather so. * Sadness and disbelief resonated through the Tukar'ramin's rich spectrum. *Many, and everywhere.* *That we do not have. Find it! But beware others of your Hivesthey act now for agencies I do not fathom.* Quath said sternly. But her bravado was a cover for her own churning inner world. She stared upward at the massive presence and murmured to herself, The fragile air filled with glorious notes. NINE Killeen woke in a puffy languor. He rolled over and found himself beside Shibo. She snuggled spoon fashion against him and he let the moment of lazy pleasure take him. It was a while before the restive minds of his Aspects nibbled at his sweet indolence, bringing forward the questions which he had put aside the night before. The seed-fruit, that was it. Its aromatic wealth had swarmed up into him, canceling all the vexing voices, smothering his long-trained instincts of vigilance and nervous caution. Partway through the celebration Shibo had said to him, "Good for you. For us all." When he had only mildly agreed, she had laughed merrily and pushed his face down into a moist husk of seed-fruit. The rogue banquet had spun on for hours. The fruit baked and fumed over the Families' fires. Songs had rolled over the moun-tainside. Spontaneous, mournful dirges for the newfallen dead had risen from the firesides. The chants roiled with rage and then swerved into bursts of bawdy energy. As the bountiful seed-fruit had its effects, the songs turned to soft, low ballads of the old-times. These Families had their former great ages, their sites made sacred by work and sacrifice, their Citadels and lush fields now lost and smashed. Yet they carried on singing into the teeth of fresh defeats. There had been alcohol, too. The precious small flasks that some carried were much like those the Families of Snowglade had so lovingly fashioned and ornamented. Killeen had made himself pass the fruit-flavored brandy each time it came by him, even though his mouth watered at the heady smell of it. That way lay a steep slope. His Supremacy had gathered the Families finally, as the general celebration-and-wake subsided into addled fatigue and drunk- 279 280 Gregory Benford enness. Killeen had half-listened to the man's shouted words, hoping they would explain what had happened this night. His Supremacy spoke of the Skysower, and such it was: The seeds came down on each descent. Beligious jargon obscured His Supremaey's rhythmic incantations. Bolling phrases described the Skysower as the source of humanity's connection to all natural forces. The Tribe felt itself somehow part of Skysower's life cycle. The small but commanding man spoke of returning the bountiful gifts with the ripeness of the infinitely fertile soil. The signature of life was its webbed unions, threading All into One. There was much loud, vague talk of the Skysower as the Tribe's living link to the time of the Chandeliers, as God's sovereign messenger, as the one living being no meeh could destroy. Eating its seeds was a religious act, a holy communion with the high sources of life's dominion. "The blood and body of vaster realms was here delivered unto us," His Supremacy had yelled, his eyes rolling and face streaming with glistening sweat. "Take! Eat! And prepare!--for tomorrow's march. For victories to come!" This news of more planned battles had quieted the Families, damped their aimless celebration. His Supremacy again used the device of lighting up his own skeleton. In the cloudy night the effect was more eerie than in a tent. Killeen had wondered why anyone would keep electrical tech which had so little everyday use. Maybe it came along with some larger craft. Still, Killeen had seen no such human abilities on Snowglade. The Mantis had displayed similar skills when Killeen was embedded temporarily in its sensorium. Humanity here must have used such craft in the past, perhaps as a tradition to augment leadership. He had to admit that the articulating, luminous bones had a strangely commanding presence. Other Tribes, he reminded himself, were sometimes as distant as true aliens. Killeen also had great respect for their way of dealing with the unending funereal air that enveloped their retreat. His Supremacy's closing, gravelly chant: Sower, sorrower, Giver, griever spoke of a long and mournful history that incorporated the Skysower into the fortunes of humanity. TIDES OF LIGHT 281 These Families had their casualties in order, including the men and women who simply stared into the distance and had to be told what to do next. They kept the wounded in the care of the old and the young, all those who could not fight eloistered at the center of the Family formation. All this, too, resembled the tactics handed down through time-honored practice on Snowglade, habits that ran marrow-dark, blood-deep. He lay in the morning's sharp, chilly air and stared up into the scudding, dusty clouds raised by the quakes. The cosmic string had stopped during the celebration. The mountain still creaked and rumbled, as though trying to shrug off the human mites upon its brow. Between gusting, grimy clouds he caught glimpses of the pale blue above and searched for a thin, swift line. Nothing. The puzzle of the Skysower vexed him still. He summoned his Grey Aspect and the scratchy voice took a long while in replying. I believe . . . must be . . . pinwheels, they were called... by our historians. Living cables . . . grown in interplanetary space ... even between the stars ... or in molecular clouds. "How they live in space?" The ancient woman's voice carried a quality of wonder and regret. Legend ... all lost ... do not know why were made. Some partial texts ... appear to imply . .. evolved from asteroid harvesters... or some say from... comet-steering craft... must then date from . . . at least... Age of the Chandeliers . . . or even before. "What's it doin' here?" Forages for planet surface ... lays seeds ... this is its reproducing phase . . . must have access to biowealth . . . not enough in comets... or so was believed by historians. This was long before... era of my... foremothers . . . Abruptly there bloomed in Killeen's left eye a chart of the Skysower's orbit. He tasted Arthur's skill in this, but the voice remained Grey's. 282 Gregory Benford TIDES OF LIGHT 283 ,O ol o "Comes dean down through the whole atmosphere?" Killeen could seamely believe these frames from a stopmotion simulation. I must say I find this information more than a bit doubtful. Grey must be addled. Consider the engineering difficulties of such a project! The strength of materials required! Further, no planet is a perfect sphere. Bulges would attract any such orbiting cable, causing it to drift in longitude and latitude. Moreover, there must be severe torsional vibrations induced by its passage through the atmosphere. And how can such a dynamical system overcome the drag of the atmosphere? No--it would crash to the ground in short order. "How you explain what we saw, then?" I am formulating a model at this moment. It will require work, of course. "Look, just do the ealc'lations, yeasay?" After a pause Arthur's nettled voice said: I cannot disprove these vague memories, of course, but I feel called upon to point out that the speed of such a thing would be more than a kilometer per second when it entered the atmosphere. Such-- "Yeasay, that'd make those booms we heard." You miss my point. How could a plant withstand such forces? I find it impossible to believe-- Killeen let the faint, often garbled and heavily accented voiee of Grey come through. Many historians ... even those ofPnTe Chandeliers ... thought the same. But we knew that... starfarers spoke of them . . . pinwheeling over worlds of grass and forest . . . beneath far suns... "What for?" Concept of motivation ... in biology ... complex. Life seeks to reproduce . . . to fill as much . . . of its environment... as it can. "But this thing, it lives in space." Could fill... whole galaxy... in time... "Seems like meehs'd be better at that. They can take vacuum and cold." True ... and perhaps in reply to that ... somehow ... someone . . . made biological materials . . . could survive cosmic rays... drift among stars... spread. "Who?" Historians of... Chandeliers . . . spoke of earliest humans at Galactic Center ... of the Great Times. Thought ... perhaps... pinwheels made then . . . "They could do that . . . I mean, humanity?" We were ... so grand ... not like my own age ... of pitiful ... crude ... Arcologies ... that were no larger than this mountain... mere tiny things... compared with the Chandeliers .... "Uh . . . I suppose." Killeen tried to imagine a city as big as the great slabs of rock that spread so far around him. If those were what Grey considered small, trivial constructions . . . "The Chandeliers, sure, they were the best we ever did, so" Oh no, never... there were grander works . . . far grander · . . before... in the Great Times.. · Killeen wondered whether he should believe the disconnected rememberings of the little Aspect. Maybe Grey was just repeating 284 Gregory Benford old stories. Humanity had subsisted for a long time now on little more than scavenged food and glorious lies. He shook his head and started to get up, his joints protesting. Time to look after his duties. Then the singular fact hit him once morthat he was no longer Cap'n. Simultaneously he felt elation at the burden lifted and depression at his reduced role in the Family. In all, he decided, they came out even. Which meant he could forget Family business for a moment. He got up without waking Shibo and went to see how Toby's wounded hand was doing. TEN Quath lay in wait for the approaching podia. They came up through a long, rumpled valley in which dust haze settled like a dull gray blanket. Stands of the curious spindly trees obscured their approach, but Quath could see them plainly by the pulsing, pale electro-auras they could not help but emit as they communicated. Here on the lower flanks of the mountain the land was turned and crumpled. All the humans had retreated to higher ground. An ominous quiet prevailed all down the range of tossed rock. The shards of broken hills gave countless hiding places for enemies. Were there already podia out there, sent by the Illuminate factions? The Tukar'ramin had warned that some were coming. Then her signal had fallen behind the curtain of static. she called sharply. The party was still at a great distance, but she was cautious. Quath tasted spiked emissions and recognized their familiar signature. Quath brought her high-resolution sensors to bear. Quath felt sudden tightness as her subminds understood the implications of Beq'qdahl's seemingly innocuous words. The Tukar'ramin was out of contact. A wall of hot static had descended between Quath and the great Hive to the south. 285 286 Gregory Benford TIDES OF LIGHT 287 Quath said joshingly, Beq'qdahl's shimmering voice-tastes took on a hedged air. Quath said stiffly. Beq'qdahl made a flavor of dry mirth. Beq'qdahl was either boasting for the benefit of the podia around her or being erafry beneath her air of idle arrogance. Quath said, Quath said pointedly. Quath countered. Beq'qdahl sent a spike of wry amusement. Quath made her decision. The squat outlines of the podia moved quickly. They seemed to flow around the outcroppings and faults that marred the valley floor. Quath had a good vantage to see them. She found Beq'qdahl and sighted in on her old friend and rival. Quath cried. Try as she might, she could not keep wavering tones from undercutting her stern carrier wave. Did Beq'qdahl's hormone-tinge carry irritation, or the darker musk of crafty guile? Quath hoped this ruse would deflect them. This was only a partial lie. Quath felt her Nought's faint, strumming flavor atop the mountain even now. In truth, she could not get the heady, enticing scent of it to leave her now--a disturbing fact. But she needed time to locate the Nought precisely. Then she had to devise a way to capture it without provoking a struggle that might kill the Nought instead. Beq'qdahl said mildly. One of Beq'qdahl's companions cut in, Quath's proboscis clacked angrily at this insult, and found the offending one in her target array. the companion added. Quath gave them back quick, raucous contempt. Beq'qdahl suddenly sent a sharp, bile-laced taunt: Quath aimed at Beq'qdahl, began to charge her capac- itors . . . and found a curious reluctance steal over her. Quath said simply, The podia spread into an attacking fan formation. Beq'qdahl called wildly. Quath tried to fire at Beq'qdahl's approaching image . . . and could not. She swiveled her antennae. The companion who had shouted welled up in her sights. She sent a crisp bolt into the target. Its upper carapace blew to tumbling fragments. Beq'qdahl did not even cry out in dismay. She ducked into a hollow, as though she had expected conflict all along. Quath lost sight of all the podia as they dodged and ran and threw out conflicting aura-clues. She resisted the desire to fire at momentarily exposed targets. They could triangulate her that way. If she kept her silence, though, she could hold them off. They could not reach her here, she knew, across so much exposed ground. Taunts came to her as they realized their predicament: Sphincter-sharer[ Orifice for all[ Their insulting warblings dwindled as she relegated them to a submind. If they slipped and said anything revealing, this smaller facet would alert the full Quath-self. 288 Gregory Benford Now she had one great goal. The urgency of it surged through her like the sudden, biting, inexplicable sandstorms of the ancient podia homeworld. Something primordial seized her imagination, a fevered desire that went far beyond her duty to the Tukar'ramin or even to the distant, mysterious Illuminates. Quath had to seek the Nought. ELEVEN "Family Bishop will carry out the flank attack," His Supremacy said dramatically. The morning sun seemed to press against the tattered walls of the large tent. There would be heat in this day down the slopes of the mountain, but up here the tent still held the cold of the night. The Cap'ns and underofficers of the assembled Tribal Families stood at parade rest before His Supremacy, who paced back and forth. Killeen remembered the huge desk which His Supremacy had lounged behind the first time Killeen saw him. No doubt it had been abandoned by the baggage train. Even the commandeered mech transports had trouble getting up the mountainside, and no team of men could have pushed the desk so far uphill. Still less likely was the possibility that anyone could be induced to try. "I shall direct the main body, of course. After the Bishops have diverted the enemy, I shall strike the final, mortal blow." The man stopped, stamped his feet, and looked searchingly at his officers. "Understood?" Jocelyn, standing beside Killeen, said, "We Bishops are honored at being given first chance at the enemy." His Supremacy's face, which had been compressed with concentration, smoothed. "You are being accorded an opportunity to make up for your regrettable performance in the most recent action." "Rest assured we'll do well," Jocelyn answered, bowing her head slightly. His Supremacy's eyes showed pleasure at this. Then the eyes went blank as a rapt look came over him. "This is the opportunity we have awaited. The foul Cyber demons are concentrated in the broad valley to the east, as our scouts have shown. With their attention directed down the valley, they will certainly bunch up as they move to attack the Bishops. At that moment we can mass our fire. Once we make a breach, all the Tribe can flow through it. 289 290 Gregory Benford The Bishops can then disengage and join us in the next valley, beyond the eastern ridge." The Cap'n of the Sebens said, "How we know we can hit 'em hard enough? Could be plenty Cybers there, and we'd-" "The more the better," His Supremacy said vehemently. "They will be dense on the ground and vulnerable to directed fire. We can hit them even more easily from the mountain as we come down." "Yeasay!" another Cap'n called. "More we hit them, fewer we have to fight through later." The entire tent rocked with the shouted assent of the other officers. His Supremacy nodded, rewarding them with a thin smile. "We do not know their numbers, but we know our cause is holy. We shall win through!" Killeen could not stop himself from saying, "There're twenty-eight." Complete silence. His Supremacy's eyebrows arched. "Oh? You have patrolled the valley?" "Naysay. But I . . . I can tell how many there are." "You see through Divine revelation?" His Supremacy seemed to be asking a genuine question, as though this was a plausible source of knowledge. Killeen caught a significant look from the sharp-nosed woman who was Cap'n of the Sebens. She shook her head very slightly. "No, I've gotten a good count by watchin' the valley." Killeen saw now the fixed look in His Supremacy's eyes and guessed its cause. Of coursethe man believed himself God, and so any other person who claimed a direct line to the infinite would be a rival. Killeen thought of the men and women spitted and left in the sun. Perhaps some of them had claimed a special role, to their misfortune. "Very good. But I should think that even a person of your little experience and lack of battlefield skills could see the error in your statement. You count only the enemy who reveal themselves. We know that the demons often burrow below ground, as doctrine says they must, since they are agents of the underworld. Therefore, you have counted only a fraction of them." "Ah, yeasay, Your Supremacy," Killeen said. "I apologize for this officer's outburst," Jocelyn put in. "We understand," His Supremacy said grandly. "Be assured, Supremacy, that we Bishops shall carry the fight hard and sure," Jocelyn added firmly. TIDES OF LIGHT 291 "Very good. There is no need to stay here, caged in by these demons. Skysower will not soon return to this mountaintop, my computational Aspects tell me. It spreads its sacred wealth around the girdle of our globe, a hundred descents in a single day. Our nourishment complete, we now fulfill our exalted mission." The man lectured as though speaking to children, his eyes focused up into the tent top. "Supremacy, we wish your battle benediction," the Cap'n of the Niners said in a closing ritual. Killeen kneeled with the rest and received the windy, singsong speech. It contained references to battles lost and cities fallen long ago, all meaningless to him but somehow ringing with the same sad truth that he had heard in the orations at Citadel Bishop as a boy. No matter that this Tribe had clutched at this queer little man in their desperation--their pain was perhaps even greater than those on Snowglade had suffered. Here humanity had enjoyed what it thought was a kind of victory over the mechs, actually destroying cities-only to have the more deadly Cybers arrive and finish the job. To be lifted and then dashed again did double damage. Perhaps this finding refuge in religion, and in one tyrannical Elder, was understandable. As Killeen left the tent he caught the sidelong glances of others and understood what a close call he had survived. His Supremacy brooked no competition. He had felt the urge to tell them of the odd perceptions that shot through him incessantly now. It was like being swallowed whole, gripped in a moist mucous cloud. In lacy filaments he saw shifting dun-colored terrain. Huge Cybers ran quickly through it, their shiny skins sprouting projections. Snatches of percussive talk came in a hollow, staccato language. Killeen knew the valley they would try to cross, knew it in a deep, skin-tingling sense. He could close his eyes even now and feel the taste of Cybers moving through it. But how? He thought he knew. What the answer implied, though, he could not guess. No doubt ff he had spoken of this in the tent the proper interpretation would have been quite clear to His Supremacy. Divine revelation, yes. And by now Killeen would have been groaning out his last on a stake atop this barren mountain. TWELVE Quath knew she should remain fixed in the present, moored in the reality of craggy reaches and massive buttresses. She had to keep watch on the podia Beq'qdahl led in the plains below. They kept slipping nearer. Only Quath's ranging shots kept them at bay. But the tangled world within beckoned .... She had found the one Nought, she was sure of that now. Edging closer, lightly touching the tiny pale spheres of their separate selfhoods, Quath had finally pressed against one who had the tang and bite she recognized. The earlier Nought that she had invaded, yes, she saw the resemblance--but not the same. This property in itself was intriguing, but she had no time to inspect the myriad rivulets of meaning in these sublattices. Quath now saw that with each close encounter she was learning a different pathway into Noughts. Each entrance brought fresh perspectives. And pitfalls. The portals of her own Nought had ushered Quath into a miasma. At first it had been like dusky radiance descending through murky memories, creaky with age. Yellowed filigrees rotted and fell away, lace parted, cobwebs lifted from glinting, brass-hard facts . .. which themselves dissolved like singing dust beneath the rub of remorseless time. Inside the Nought, yes . . . But where? Quath had felt herself walking through a broad courtyard like that which gave onto the Hive's great hall of worship. The walls cast an embroidery of shadow on stones---only the floor was not rock at all, but bones, white skulls, worn red carapaces, skeletal cages of ribs and abdomens. They snapped as she clumped over them, making her way back into a wide, gloomy past. Empty eyesockets seemed to follow her wobbly progress. Whispers and words bubbled from the street of bones. Some were sharp and bitter, ripped from throats which still longed and yearned. She could not understand these twisted, clangorous sounds. Abruptly she saw that they came from the podia past, stitching blood and marrow and desire and history into a tight sound-knot. 292 TIDES OF LIGHT 293 Her solid footing grew flesh-soft. Quath plunged forward helplessly, each frightened step taking her up to the knee in the cloying, mossy past. Suddenly she was falling, falling--and petrifying fear shot through her like red pain. No! her subminds cried. She landed in soft feathers. Here beneath the street of the dead lay a labyrinth of sultry darks. Its angled corridors fanned like fingers into webbed designs. Quath tried to follow. She was running hard now. Though she knew that in some sense she was merely immersed in the falsity of another's electro-aura, she could not extricate herself. It was like the time before, with the Nought who had held her, but far worse. She was not pinned to the sliding experiences of one Nought now, but caught in some swamp of deep desire, some collective mystery. The shambling things came to her, finally. She had heard their feet slapping on the worn, ebony floors, not pursuing but still coming. They loomed up in the dank darkness that seemed to come streaming out of the walls. Pervading and consuming shadows, exhaled by far antiquity. Quath lurched away from them. Whacked hard against a brittle corner. Stumbled on. Though they had only two legs these Noughts were quicker than she expected. They drew closer in the alloyed silence and then she saw their faces and knew it all. she called. The talus slope she slid down sent boulders crashing before her, like heralds announcing the coming of a queen. Her experience had jarred her deeply, but now the world was not muddled as it had been before. A hard-edged clarity pressed toward her out of the congealing, sharp air. 'I feel you weakly.* 'I tried to send reinforcements but they were blocked and ambushed. Beq'qdahl and others have isolated your area. They serve an unwise faction of the Illuminates. They seeks* *Do not dismiss their threat--* *What? How could--* 294 Gregory Benford *Impossible. Little Noughts could not have--* *You delved into them?* 'I . . . I see. This is even stranger than I had imagined.* *From the beginning I sensed complex elements beneath the surface chatter of their minds. I was curious. That fact, and the arrival of more Noughts in a ship---it all aroused my slumbering suspicions. * Quath had thought that there could be no more surprises in this day, but a lancing thought came to her. *Yes. If there were any uncovered aspects of these supposed Noughts, I knew you were the best of the podia to seek it out.* *No. Your ability lies in the formulating of questions--and those cannot be assigned.* *Anxiety is your lot.* *This you must discover. The genes express themselves in many ways. * Quath felt empty, adrift. *Quath, I master great weighty arrays of information, and have a bounty of technical skills far transcending yours--but I do not and cannot have the queer talent you manifest.* 'I can venture no answer.* *You. * Quath said with sudden conviction. THIRTEEN It was at this moment, Killeen thought, when he could see the fight but was not yet in the middle of it, that fear rushed up into his throat and clamped it shut. No matter that he had flung himself into a hundred conflicts before--all the old sensations returned. Fear of injury. Of death. Here, to be hurt badly was the same as dying, but slower--carried in the baggage train, suffering lurches and slow bleeds. More acutely, Killeen felt the piercing fear of failure. To falter now would render pointless everything they had attempted. If they lost, their long pursuit of a shelter for humanity, any shelter, was vanquished and would never return. He knew how to loosen the tight grip that choked his breathing. Once engaged, training and instinct would take over. But as his eyes searched the dry broken plain, flickering through the spectrum, there was still some trifling chance to back out. The rational side of him plead for a reason, any reason, to halt, to reconsider. After all, he had been left here by Cap'n Jocelyn, in charge of the reserves. Yesterday she had rightly claimed the overlay chips which gave a Cap'n a complete view of all Family movements. And a few moments before she had taken the reserves under her own direct command. Cermo's advance was stalled below. Jocelyn evidently wanted to break the impasse by quickly throwing more into the head of the attack. She had led them off to the right, down a narrow ravine which afforded good cover from the prickly, long-range shots of the Cybers. She had pointedly left Killeen nothing to do. Very well. He could join in the attack as the Family plunged down the long slopes of the mountain, into the confusing welter of foothills. Or he could simply stay here. So said the thin, hoars. cry of judgment. If he fell back he could provide cover for the Bishops in the Tribal baggage train. That, too, was a vital role .... He had not felt this way in years. It was momentarily, darkly delicious to skirt responsibility, take the easy way. Safer, too. 295 296 Gregory Benford He sighed. He was a different man now. Not wiser, maybe, but aware of how he would feel if he carried out such a fantasy. Wistfully he aimed downslope. He could never hang back while those he loved fought. He found a fleeting Cyber target and fired. No sign of a hit, but that did not matter. His training carried him forward, running and dodging now, and he let it. Family Bishop was spread over the entire belly of the mountain. They moved down through the forests of spindly trees that thronged the slopes. Slanted afternoon sunlight cast confusing shadows. His Supremacy had insisted on launching the action even though not many daylight hours remained; his Divine judgment had, of course, prevailed over his officers' advice. Killeen had watched the valley beyond from a group of fat boulders above the tree line. As he entered the woods he glanced up through the curious umbrellalike arches of the trees and searched the sky. No sign of any craft. That was a relief. Cybers seemed never to copy the mech advantage in the air. "Cermo! Bear left. You can bring enfilading fire down through that notch in the hill." --Yeasay,-- Cermo answered on comm. --Taking some IR bursts here. Nobody hurt.-- "No point getting blinded. Damp down." --Already have,-- Cermo replied primly. Killeen reminded himself to let the officers have free rein. Jocelyn was Cap'n, even though Cermo and Shibo gave her only grudging acceptance. In the heat of the fight, the officers would probably still react to his suggestions as though they were commands. He ran through the thick forest with a long, loping stride. Rich loam absorbed his footfalls. The dense woods seemed to listen for the battle with a hushed expectancy. Fresh power reserves for his leggings gave him a buoyancy that carried him downslope quickly, not even bothering to seek cover. The only useful information they had learned from the previous, disastrous battle was that Cybers still devoted a lot of their energies to microwave pulses. Mechs saw the world principally in the microwave and perhaps the Cybers thought humans did, too. Or else, he reminded himself, they thought so little of their human opponents that they did not bother to refit their weaponry. He broke from cover above the foothills as hoarse calls resounded through the comm. Jocelyn cried, --Form the star!-- to TIDES OF LIGHT 297 the main body. He saw her moving quickly across a barren scarp. The reserves were mere scampering dots at this range. Turning to his left, he watched Cermo's party firing steadily through the notch in a steep hillside. Landslides had opened jagged opportunities in this terrain and Cermo was skilled at making use of them. But Cybers could do the same, he noted, as a distant figure crumpled. Killeen blinked three times and into his left eye jumped an electromag amplification. A crackling blue swarm was fading around the fallen Family member, signature of a microwave halo strike. --Dad!-The shrill quality in Toby's voice forked sudden fear into Killeen. Could the fallen figure be--but no, Toby's signifier flick- ered in an arroyo farther east. "Yeasay," Killeen answered. --Shibo's cut off downslope.--"Where?" --Can't tell. Cybers've thrown up some static screen.--Killeen scanned for Shibo and found no answering color-coded trace. The center of his expanded sensorium was a gray sheet. "Hold still." He set off at full tilt, damping his sensorium to the absolute minimum as he plunged downslope. Amid the brush and stubby trees insects sang merrily, oblivious to the stinging death that arced through the air. Toby was crouched at the rim of a narrow gully. As Killeen landed on loose gravel, a microwave burst reached down toward them, then dissipated into a hiss. "Down there." Toby pointed. "See? Heat waves." But the rippling images on the next hillside had a fuzzy quality unlike the effect of refracting air. "False image," Killeen said. "Hard tellin' where the Cyber is." "Wish we knew more 'bout their tricks." Killeen looked at Toby's bandaged hand. Jocelyn had decided the boy could stay back from the skirmish line, carrying reserve ammunition in his pack. "How's it feel?" "Not bad. Glad it wasn't my right hand. Couldn't shoot then." "Keep back, you won't need shoot today." Toby bit his lip soberly. "You think so?" On Snowglade Killeen would have given his son an optimistic, offhand remark. Here . . . "We're point party for the whole Tribe on this one. Be hard to pull back, once the Cybers are on us." 298 Gregory Benford "I figured the same." "One good thing 'bout not bein' Cap'n, I can move around less." Toby grinned. "Almost as good as a bum hand." "Bum Cap'n, yeasay." Killeen put his hand on Toby's shoulder. "Look, stick close. We'll cover for each other." Toby nodded silently, his eyes always following the scan-plane of his own sensorium. "Wish I knew where that Cyber is." "Let's circle 'round." They used standard fire-and-maneuver. One loosed a quick, gaudy infrared pulse while the other sprinted in the cover provided by the afterimage effect. They covered ground rapidly this way, leaving the last stands of umbrella-topped trees. Tangled scrub in the foothills beyond offered a thousand pockets for human concealment, but few spots big enough to hide a Cyber. Toby went dashing freely from cranny to cranny, Killeen noted, far faster than his father could. There was also a certain unthinking bravado in his son's manner, despite the Snowglade years Toby had spent on the run. "Getting somethin' over left," Toby called. Killeen cut through some brambles and reached his son, puffing hard. Through a swampy clearing he saw a large form moving in the trees beyond. "Don't shoot yet." "You figure one Cyber's puttin' out this whole screen?" "Could be." But the creature seemed to be staying as well camouflaged as it could. It did not fire, even when a distant Bishop momentarily appeared in the open, charging downhill. "What's it doin'? Listenin'?" Killeen whispered, "Or looking for somethin'." "What?" "Maybe wants His Supremacy for supper." Toby laughed. Killeen settled down and watched the Cyber clamber up a far rock shelf. The gray slice in Killeen's sensorium narrowed and thinned. He watched telltale Bishop spikes work their way through the surrounding hills, headed for the valley. It was a plausible-looking excursion, designed to draw the Cybers in force. But how long could they go without being cut off and systematically hunted down? He handed Toby a sugar-rich lump saved from breakfast and got up. "Let's go left from here. Keep low--no high jumps." "Yeasay. Besen's with Shibo, y'know." A crisp buzz snapped by Killeen. Both of them dropped fiat. TIDES OF LIGHT 299 "Damn!" Killeen spat out dirt. "Somethin' close by." Toby fired a burst toward the last place they had seen the Cyber. "Looks like we do it the hard way," Toby said. They crawled away, banging into rocks with their heavy leggings and shank shields. Killeen stopped and examined his shoulder padding. With a small thrill he found a neat brown burn-hole through it. The laser pulse had not severed any important control systems. To his surprise he felt no fear, only exhilaration. "Squeeze down your seusorium," Killeen said tightly. They cut through a draw half-filled with fresh slumped soil and pebbles, evidence of the latest quakes. The Cyber was on the far side. It was a tubular sheath of glistening, moist skin that seemed to be sweating. Insets of brushed metal and tan ceramic made a patchwork across the crusty brown hide. Toby shot it first, burning its hind antenna. Killeen knew they had only an instant before retaliation. Into his mind flashed a sudden understanding of the Cyber's underlayers, a picture sharp and sure and unbidden. He snatched at a projectile from his precious hoard and clicked it into place on its stubby launch rod. He aimed at a middle bulge in the shiny carapace and snapped off the shot without thinking. The small, birdlike cylinder blew away a small hatch--seemingly insignificant, but Killeen knew the master controls for its transmitters ran close to the skin there. Abruptly the gray screen vanished from his sensorium. "Come on," Killeen said, not waiting to see what the Cyber would do. As they slipped away it went into what looked like spasms, effervescing a yellow electrostain. Killeen sensed the thing was immobilized and did not question how he knew. Shibo's telltale winked, not far away. They scrambled through two patches of scrub and rushed up a fractured face of dark strata. Besen was guarding her party's flank and could have tripped Toby as he came charging forward. Shibo was approaching from the other direction, calling orders as she ran. Killeen found himself panting so hard he could not speak, and just gazed inquiringly at her. "Starting take hits," she said calmly, but Killeen could see the small signs of worry in her thin, drawn lips. "We knocked out two already!" Besen said cheerily. "Great, great," Toby said, gazing cautiously around. "We got one." "Cybers don't stay down, though," Shibo said. 300 Gregory Benford TIDES OF LIGHT 301 "Repair themselves?" Killeen asked, though somehow he already knew the answer. "Yeasay, and quick," Shibo said. Toby said, "Mechs did that sometimes. Mantis--" "Not this fast," Shibo said. "Makin' ground?" Killeen asked. "Some." "This's all too easy," Killeen said. Shibo studied his face. "You mean howcome we're hitting them this time." "And they miss us, too." "Something's here." "Yeasay." "Your Cyber?" "Feels like. Can't say how." She shook her head. "Don't understand." "Me either." They all peered between two boulders at the valley floor below. Cermo's party was pouring down through the last rank of foothills before the dusty plain. Jocelyn was maneuvering the reserves through a maze of arroyos that gave good shelter. The star formation was ragged but moving. Her tack would take the reserves into the vanguard once they emerged from the thick scrub. Killeen could just barely recognize the distant figures with his highest telescope setting. "We got Cybers in among us now," Toby said, and told the women about the screen-thrower they had hit. Shibo nodded. An IR burst crackled nearby. "Won't be long before Jocelyn hits the plain." "See any Cybers comin'?" Besen asked. Her round face held a slight grin that occasionally, for no visible reason, broadened into a sunny smile. No one answered for a long moment as they surveyed the valley's dun-colored jumble sprawling to the horizon. Runoff from the mountain range was cutting a broad new river down the center, fed by several white-water tributaries. Shattered mech factories covered the once-flat valley floor. Broken walls stood like snaggled teeth, casting pointed shadows in the late afternoon sun. Evidently Cybers had fought a large battle here before, because mech carapaces littered the ground. Burnt-out mech carcasses of every class were beginning to rust. Killeen reflected uneasily that the Cybers probably knew this terrain quite well. Killeen found himself uneasy also at the eager way Besen longed for combat. The years aboard Argo had perhaps given him a sentimental coating that would take a while to wear off. Family Bishop was again a grimly practical band of foragers. He would have to get used to that. "Spotted two," Shibo said. She sent the image into the arrays of the others. Fuzzy forms rippled and danced among the fractured terrain near the broad, muddy river. "They're messing with our sensofia some way." Toby said, "I get just darts and splashes." "Where?" Killeen asked. "Spread all 'cross the valley. Movin' slow but I can't get a fix on 'cm." Toby fiddled irritably with the controls on his collar tab. Killeen saw the same fitful hints. If each momentary flicker was a Cyber, and not some ruse, the enemy was closing in and there were a lot of them. "Let's get down there," Shibo said. She sent a call to her party, which was spread across the nearby hills. Faint calls over corem told Killeen how matters were going below, even without expanding his sensorium. Halfhearted shouts and the ragged pang-pang-pang of Family microwave volleys implied uncertainty, confusion. As he moved and searched for targets Killeen automatically kept the running tally that anyone, once a commander, never neglected. How many casualties so far? Were their skirmishing lines moving uniformly? Was a salient vulnerable to a flanking attack? Was the star formation closed up, distances between parties short enough for mutual support? Did tactical alignments fit the terrain? Did the constantly shifting fields of fire leave any opening to the enemy? The elusive Cybers were harder to judge. How steady was their fire? Were they holding off?. Clearly the flitting forms were advancing down the valley, trying to cut off the salient under Cermo's command. For some reason, a firm and unhurried approach was far more intimidating than attackers at a run. But the Cybers' pace was furtive, odd, seemingly running at angles to what Killeen expected. Still, the Bishops were drawing the main force away from the Tribal attack point for the breakout. Up from the fractured valley crisp bolts came echoing. Joce-lyn's vanguard was spilling down onto the plain. A fault line ran 302 Gregory Benford TIDES OF LIGHT 303 straight through the floor of the valley and already streams had converged on the cleft. Waterfalls crashed down from steep jutting ramparts, cutting at the freshly exposed strata. The newly formed river was a muddy finger pointing at the horizon. Against this image Killeen saw the ghostly, wavering dabs of momentary fog-thin light that might be Cybers. "Time for the Tribe to make their run," he said. Shibo nodded. "Cybers comin' fast." Their cmnms suddenly sprang to life: general call. Jocelyn cried, --Shibo! I've hailed His Supremacy three times. I get no answer.-- "Sure you're getting through?" Shibo said. --Must be. I can pick up his carrier.--"You give 'em the start-down code?" --Course. Cybers closing in.-- Killeen said worriedly, "She's pretty exposed down there." "Let's go," Shibo said. "We're serving as flank guard here," Killeen said, trying to keep his voice neutral. Shibo licked her lips. "Won't need flank enfilade if they're overrun." "We can provide covering fire when they pull back." Shibo's mouth compressed. "Let's go." They all followed her down through the remaining foothills. Killeen agreed with Shibo's decision when he saw the fire that raked the Bishop skirmish line. The Cybers used few projectiles, so the battle appeared mostly as lancing signatures in the IR or UV or microwave. The bursts struck Bishops and knocked out their systems, sometimes flooding inside powerfully enough to kill. Cermo was taking a lot of hits and Jocelyn had bogged down already. For the first time Killeen was genuinely glad he did not wear the Cap'n's emblem. --Can you hear anything from the Tribe.9--- Jocelyn sent again. "No," Shibo replied. Killeen swore softly. "Combat without comm's always a mess." Shibo popped the release on her comm. "Supremacy! Hear me?" To Killeen's surprise the man's calm voice immediately replied, --Yes. I have been following the situation.-- "Then why in hell aren't your Families breaking into the valley?" she demanded. --The Cyber demons are far stronger than I believed. I think it unwise to commit my main body until their full strength is known.-- "Full--!" Shibo gaped in astonishment. "We're getting cut up down here!" --Regrettable, yes. But I must know more.-- "We can't hold 'em long," she said. --Dusk is falling. I think I shall move only under sufficient cover of darkness.-- Shibo shot a glance at Killeen. "Pull back," he said. "Joeelyn!" Shibo called. "You hear that?" --I, I caught some. I can't believe . . .- "Better believe it. He'll make his move when he wants, never mind what we planned." Shibo's face was a glazed mask of anger. --What . . . what can we do?-- Joeelyn's voice was ragged with fatigue. Toby broke in, "Dad? Three Cybers." Killeen followed Toby's indices in his sensorium. Three flickering images were hardening into substantial forms. The pale ghosts descended the hills just behind their position. "Damn," Killeen said. Shibo took this in instantly and said, "They've got the high ground here. Closing fast." Joeelyn sent, --If we retreat we'll have to fight uphill in the dark.-- Cybers saw best in the infrared. As the land cooled, human body heat would stand out against the background. They had planned to be across the valley by nightfall, holding positions on the far mountain range. Then the Cybers would have no convenient moving targets. Instead, they would have had to attack upslope against a dosely ordered line. --Let's make a stand in the valley,-- Joeelyn sent sharply. Shibo frowned and looked at Killeen. "Why?" --His Supremacy must make his break soon. We will be in a good position, can link up.-- Killeen said, "Assuming he means that." --Why shouldn't he?--- Joeelyn demanded hotly. "Could be 'cause he's saerifiein' us. We're foreign. We've already given him trouble. Killin' us otTll take the Cybers time." Shibo nodded slowly. Besen and Toby looked stiff and grim. --I, I don't know if I agree with that.-- Joeelyn's dear, commanding tone had slipped into hesitation. 304 Gregory Benford Toby said, "Dad, looks like two more Cybers've worked 'round behind us." Killeen checked and saw the trap closing. "Jocelyn better be right. We got no choice now." "Not much time," Besen said. Her face was drawn, her eyes large. Shibo threw Killeen a despairing glance. He replied. "Start thinkin'. Must be some way out." Without a word they all began running toward the main body. Ahead, Bishops fired and fled and fell. Chapter FOURTEEN Quath knew only one imperative in the clangor of combat: the Nought. Her Nought. The Nought excursion had come down the mountainside at a considerable distance from Quath, surprising her with their speed. Beq'qdahl and her gang had moved to intersect them. Quath had watched them speeding up the broad, jumbled valley below. Her own progress across the high, broken strata was slower. She called out to the Tukar'ramin for help. *Chaos reigns here, Quath'jutt'kkal'thon. Insurrection infests our Hive.* The Tukar'ramin's heavy, somber musks shot power- fully through Quath's electro-aura. *Know that I understand. But I am besieged here in what was once my grand province.* Quath sent desperate lacings of need. 'I can spare no more. I sent help twice but both groups were ambushed. The renegade podia who jump to the command of the divisive faction of the Illuminates--they clog the passages nearby. Such heresy! Such treason!* Quath clambered across gutted mech carcasses, crunching them without taking notice. She did not doubt that the Tukar'ramin was in the right, but prudence alone should be her guide now. *Remain loyal to our injunction! The glorious Illuminates, the leaders of the true Path---they still say the Noughts of the ancient ship must be found.* Quath replied. *You must escape with it. Return to their aged vessel.* 305 306 Gregory Benford *The shuttle landing fields are captured by the renegade podia. They are everywhere!* Quath saw that her view of events had been hopelessly narrow. She had fretted over issues of fate and death, while all around her, no doubt, podia had conspired and schemed. Insurrection against the Tukar'ramin! Worse, the revolt was fueled by division among the Illuminates. The idea still dizzied her. *I barely hold my fastness in the Hive.* This admission rode on a gravid undercurrent of black dismay. *You are better equipped than they. Remember, they outfitted hastily for their slimy task.* *I can render no help, Quath.* This somber hormone-tinged message sobered Quath as she struggled down the mountainside. Noughts already sprang and dashed among the lower foothills. Their agility made them difficult targets. These were swifter and more crafty than the packs she had slain so long ago, in defense of betrayer Beq'qdahl. She saw Beq'qdahl now, a pale fog seeping among some smashed mech buildings. Her defenses were good, then. To delay them Quath would need guile and craft abounding. She stretched a cone of electrointerrogation down among the Noughts. Now that their own small auras pulsed readily, she could enter them more deeply. She did--and recoiled. How could she have missed this? The many flavors of Nought separated into two groups. Not a crude set, like digital/analog or acoustic/magnetic, but an ancient distinction: sex. She had known these Noughts still kept the rudimentary mechanism laid down by simple evolution. She had experienced it earlier, when she entered the male Nought. Now she saw why she had been unable to extricate herself readily from its swampy clutch. To them, sex was an absolute bedrock. It defined them powerfully. Quath's inability to untie these primordial knots in the Nought mind had nearly trapped her. Had they not learned to banish such primitive and blinding forces in the personality? The podia had long ago seen the male as irrelevant, easily supplanted by genetic tailoring. Some were kept in preserves on the homeworld, but only for historical interest. Among the Noughts, though, the sharp tang of sex clouded TIDES OF LIGHT 307 every perception, every judgment. How could they think in such a howling storm? She sifted through the scattershot scents and harmonies of the Nought pack as it went into battle. So many conflicting emotions! And not delegated to subminds, either. Instead, myriad impulses fought and scurried across the open stage of the sole mind. Factions shouted and clashed inside each Nought. Instinct, reason, the whole motley company of hormone-steeped emotions--each breathed in the veils of sex that spiced every fervent moment. What impossible complexity! No wonder they seemed so antic. Their inner worlds were scenes of endless combats. This further clouded her search. Just as she despaired, though, she sniffed her own Nought. Here it was--safe! Her antennae picked up tangs of it below, moving fast. Its aura mingled with another's--the Nought Quath had briefly occupied before. The two of them were circling one of the podia. Quath clattered downhill. If she could get within range The two Noughts were clearly planning on assaulting the hexpodder. Quath was too far away to be sure she could hit the podder without striking the Noughts. Instead, she pried up the musky layers of her own Nought's mind, searching for some inlet. There. Quickly she injected a lump of knowledge about the hexpodder. It would be jarring to the Nought, but perhaps it could assimilate the data. Yes--she watched as the Noughts struck the podder cleanly with disabling shots. Good. She could help them somewhat. But would she be smarter to simply collect it and scurry away? No, there was something else. As she settled into the back recesses of her Nought's electro-aura she felt springy threads of connection. It was linked to others here. The web vibrated and undulated with a curious song of thick emotion and feral, emerald instinct. As the Noughts scampered downslope Quath struggled to understand this new facet. Though each Nought imagined itself quite individual, beneath their consciousness lay thick, sinewy connections. They operated proudly alone yet yearned for union. That was why sex had such heft for them. To disconnect the Nought from the others would do it severe injury. While her orders from the Tukar'ramin were clearly to excise this one Nought, she saw now that this would not work. Noughts did not live by head alone. She had scarcely sensed any of the depth of this Nought when 308 Gregory Benford she had carried it down from orbit. She had ignored its pain of separation from its kind. Now she saw that Nought links, if severed, damaged all. The two Noughts met others. One produced a sharp, eager spike throughout her own Nought's buzzing self. Here was true resonance. Her Nought felt a symphony of urgings heavily laced with the complex musk of sex. No, she could not yank it from these strange moorings. She would have to devise some better way. Meanwhile, booming shots and rattling near-misses caromed through the foothills. Quath ran desperately toward the valley floor, where a battle was beginning. One of Beq'qdahl's gang sighted in on her Nought below. Quath sent a crackling blast into the podder. It tumbled over and began to smoke. Good. This podder was a stranger to Quath, and she was able to brush away the stigma that came welling up from her subminds. But in the valley was Beq'qdahl, and Quath did not know what she could do there. She felt a hard, sinewy knot of conflict arise in her. She tried to force it down into her subminds but they would not accept the bulked fibers. It churned in her like a bleeding pink cyst. Could she truly kill her own kind in defense of a Nought? Quath could not unravel the bristly knot. She ran on. Chapter FIFTEEN As Killeen approached Jocelyn's small command party he checked his pace. It was a bad idea to display haste or anxiety. That would unsteady others. Then it occurred to him that he was thinking like a Cap'n. At the beginning of the battle he had relished his freedom; now it seemed a hollow pleasure. "Reporting," he said simply as he reached Jocelyn. She crouched behind a broken mech-factory wall, listening intently to her comm. Her face was drawn and smudged with dirt, but her eyes danced with nervous energy. She had ordered him down from Shibo's position commanding the hill. Jocelyn gave him a look of harried relief. "Killeen--good." She seemed to have to dredge her words out of some inner struggle. Breathing heavily, she sat down on an overturned mech carapace. Factory debris littered everywhere. "I... I'm afraid His Suprem- acy has decided against the breakout." Killeen said nothing, just nodded. Surprised, Jocelyn asked, "You think it's because we pulled out last time?" "That guy's crazy. Pointless, tryin' figure him out." Jocelyn pursed her lips, obviously gathering her resources. A microwave burst hissed past nearby. Killeen saw that Cybers had moved closer in from the hills, cutting off the cover of undulating terrain. Family Bishop had formed a skirmish line along the river. They maneuvered now among the shattered rock that bordered the deep fault line. Twilight cast long blue fingers from each protrusion now. As Family members fell back from the gullies and dry washes their shadows made them even more prominent targets. He watched a running woman retreat under covering fire from the Family. A UV bolt struck her in the lower back, bathing her in crisp darting fireflies. Dying blue sparks glowed in the gloom. She fell. It was Lanaui, an old friend. Too far away for him to do 309 310 Gregory Benford anything. He strained forward, watching, hoping that the shot had not damaged her major systems. Twangs and booms came as Family hammered away at Cyber targets. Lanaui moved. She rolled over and hobbled to the shelter of a burntout mech transporter. From her gait Killeen could tell her power systems were dead. Now she would have to flee using only normal human strength. A Cyber could run her down easily. "What"--Jocelyn bit her lip--"can we do?" He said carefully, "Can't make the hills, not without cover from the Tribe." "I agree." From her stiffness he saw that she was having trouble yielding enough even to ask advice from him. "Can't keep goin' either." "No." Microwaves rattled through Killeen's sensorium. Nearby Family members ducked, but he just leaned against the smashed factory wall. He was afraid that if he sat down his legs would refuse to get up. "Night comes, we'll stand out by our body IR." Killeen felt an idea percolating somewhere and the only way he knew to get it out was to keep talking, let his subconscious send it floating free. Jocelyn's eyes kept darting as she surveyed the coinbat grids in her eyes. She was having trouble keeping up with the situation as parties of Bishops fell back toward the rough, gullied terrain opened by the recent quakes. "Right. Think maybe we should send the fastest out? Leave the rest, have 'em provide cover?" This violated all Family combat doctrine and she knew it. Her eyes fixed on him for an imploring moment. "They'd just hound us down," Killeen said curtly. No reason to let her know how much this proposal disgusted him. "I ... I guess we're stuck here. If we can hold our lines through the night--" "Never happen. We don't even know if Cybers sleep. Once they got us pinned, they can call in whatever they want." "Then... then..." Since there was no point in making matters worse, he hid his irritation by flicking his sensorium to infrared. It might give him an idea of how Cybers saw their situation. He remembered the time in their Hive, how they automatically interpreted objects as though illumination came from the floor. Yet obviously they had adapted well to the surface. As night thickened, the ground shone more fully, brighter TIDES OF LIGHT 311 than the mottled molecular clouds above. This resembled the Hive lighting and probably gave them some further advantage. The cool, splashing streams were darker than the land now. The forested hills were holding their heat well and glowed like soft green carpets. He turned toward the fault line and saw a slight brightening where apparently lava coursed beneath. As if to confirm his guess, the ground trembled slightly, like a beast shaking off a fly. Beyond the fault cleft he could see the black ribbon that was the new river. It frothed as if excited to be cutting a fresh bed through the valley, running dark and swift. "Wait," he said. "Wait just a minute." He watched the night cautiously. A Cyber had been moving to their left and now it was gone. Was it beyond view, or had it simply tuned to his sensorium so well that he now missed it entirely? He fired a short microwave pulse toward where he thought it might be and then crawled around the shelf of broken rock that sheltered him. Shibo was already moving back to the next line. Killeen ran heavily along the shelf and then angled in toward a gully. Something sang past him as he sprawled down the slope. Dirt jammed in his shin shocks and he had to stop to work it out. By the time he looked up, Shibo had ordered another fallback. --New drill! Toby!-- Shibo called. Killeen saw his son's signifier move back toward the river. The boy was running fast. --Carmen!-- Shibo sent. The woman broke from cover and dashed. She had to leap over the fallen body of a Bishop man who had been hit only minutes before. The man's suit gave no life signs so nobody had tried to retrieve his body. They were leaving everything now, even supplies and ammo. This was the rear guard and it had to stay light and quick. Killeen called to Jocelyn, "We're comin' in soon." --Give us a lfl bit time,-- she answered. "Damn little left," he said. Nearly all of Family Bishop was evacuated. But among the factory walls and gullled land many bodies lay, too many. --Killeen!-- Shibo ordered. He heaved himself up on weary legs and plunged across the dry wash. It was a hard run to the next skirmish line and his eyes 312 Gregory Benford began to cloud with the exertion. Blue dots danced at the edges. The cool air cut in his throat. He tumbled over an outcropping of sharp stones and rolled into the dry wash beyond. He fetched up against a pile of methiness. In the rolling his vision had elieked back to normal human and he lay for a long moment, gasping in total darkness. He switched back to IB. Shibo crouched nearby but she did not even look at him. --Besen!-- she sent. Killeen got up on his knees, his shocks wheezing as loudly as he did. The gritty soil got into everything and he had to clear his suit collar in order to turn his head and watch Besen angling in from a factory ruin. She came into the dry wash at a dead run and was nearly under its edge when something orange struck her helmet. She seemed to fly forward and hit the ground solidly. She did not move. --Toby!-- Shibo sent as though nothing had happened. Killeen reached Besen and tapped in the codes at the back of her neck. Her running numbers all read zero. Toby loped into the gully, moving easily. A microwave bolt hummed harmlessly over his head. He saw Besen. "What--what--" "She's . . ." Killeen could not make himself say it. Shibo sent, --Harper!-Toby knelt beside Besen's body and lifted her arm. She was face down and when he rolled her over they could see a fine web of cracks in her faceplate. They were electrostatic fractures. Through them they saw her eyes, still open. She gazed at them as if about to ask a question, one Killeen knew he could not answer. Harper came running into the dry wash, panting. She squatted down and immediately let loose a UV shot back the way she had come. Shiho sent, --]ocelyn! All in.-- --Hold there,-- ]ocelyn replied. --Nearly got your rig ready.-- Shiho duck-walked over. Toby said numbly, "She can't he. She can't just . . . "Hit her clean," Killeen said, and instantly regretted his bluntness. "No. No." Toby fumbled with her helmet. "Leave her," Shibo said. Toby unlocked the collar ring. He gave it a one-quarter turn and lifted the helmet free. The trailing connectors into Besen's TIDES OF LIGHT 313 neck popped free of their sockets but there was no answering jerk from the body. Her eyes were still open. Toby touched her face. "Besen, listen. Wake up. Come on. Wake up. Besen--" "Take it easy, Toby," Killeen said numbly. People hardly ever came back from a system attack like this. "She's just out, that's all. Just out. We give her a stim, she'll be okay." Toby started rubbing Besen's cheeks. Shibo said, "Cheek her indices." "Just out, is all." With fumbling fingers Toby reached around and rotated Besen's head. He and Killeen had to take off her backpack to get a dear look at her internal monitors. The digital circle at the top of her spine was uniformly blue. Numbers slid through each window, eyeling meaninglessly. Shibo glanced at them and then looked back at the hills where the Cybers were. "Looks bad," she said. "No. No." Toby rubbed her face harder, faster. "She's overloaded, sure. That's all though." "Could give her a stim," Killeen said, reaching for his pack. He had to make the gesture even though it was the last bulb he had. "Chaney, doing it right away," Shibo said. "Systems need reflex time." 'TI1 bring her back," Toby said. "She just needs blood in the head---" "Here." Killeen helped Toby screw the stim bulb to Besen's head. Toby stared into Besen's unblinking eyes. "You got wake up." A microwave bolt whooshed overhead. Shibo said gently, "We have to try her now." Toby licked his lips. His mouth wrenched jaggedly. "If her systems overstim . . ." Killeen put his hand on his boy's shoulder but he could think of nothing to say. Toby's hands trembled over the bulb. "How . . . how can I? If..." "She's yours. You must decide." Toby's face was white. He looked at Killeen for a long moment. Then he took the stim bulb and asked, "What--what setting?" Killeen said, "Better try full. She's pretty far gone." He thought Besen was almost certainly dead but the next moment would 314 Gregory Benford make that plain enough. He would have to get Toby away fast, though, no matter how much the boy wanted to linger over the body. "Okay." Toby clicked the setting all the way over. "Son, I--" Toby triggered the tab. It made a small percussive thump. Besen jerked. Her lips opened. She coughed. Toby lifted her to a sitting position and they all saw the indices stop rolling on her neck. She blinked furiously. They looked at her speechlessly. She coughed again and said, "I. . . what..." Toby embraced her and began crying. Two quick IR pulses raked the air. "Get her walking," Shibo said. Toby and Killeen helped Besen to her feet. She stared at them blankly. --Shibo! Start falling back! Jocelyn sent. Shibo called, "Harper! Cover! Carmen--go!" Toby massaged Besen's neck. "Got to go now. Just a step, that's all. Here, lean on me." Shibo said gently, "Toby, Besen--we have to go now." "What?" His head snapped up. "No, she" "Rest the flanks're folded in," Shibo said. Killeen took Besen's other shoulder. "Come on, we'll get cut Off." "Her pack," Toby said. "Leave it." "No, wait--" Toby reached into the pack. He fiddled with an unseen catch for a moment and then jerked something free. "I gave her this," he said, holding up a chain with a small yellow pendant on it. "Don't... don't want damn Cybers get it." "Yes, take it." Shibo looked at Killeen. "Cover." Killeen lay against the wall of the steep dry wash and fired a quick burst into the night. Shibo and Toby fell back with Besen. Killeen slid back down to Besen's pack and found her weapon. He expended it noisily, throwing several high-energy pulses at every flickering target in his sensorium. Return fire chipped and burned the brow of the wash. He ducked under it and fled, running with a sudden fevered spike of fear. All the way to the riverside he was acutely aware of how big and tempting a target his back was. He slid down the narrow sand embankment of the river and crashed "nto Jocelyn. An IR pulse whispered close by. TIDES OF LIGHT 315 "How many more?" she gasped. Three Bishops were manhandling a big mech part down the slope. Killeen looked around and saw Toby and Shibo getting Besen into an awkward assembly of mech sheetmetal that floated in the water. "None," he said, and started toward the water. "Three's the most for that. No room for you." "You sure?" "Get down that way." "Look, I want--" "Shut up and move." "I--" Killeen shut up. "You're the last, then. Help us with this." Jocelyn was crisp and efficient again. She worked well when following a plan. But there was more to being Cap'n than that. Three large men rolled something forward on its edge. In the infrared it looked to Killeen like a big shell. He grabbed it and helped splash it into the shallows. The water was cuttingly cold at his ankles. He smelled the tint of Cybers nearby. Microwaves spat from the embankment above. Big chunks of rock caught at his feet as he held on to the shell. It bucked and tossed in the frothing current. "Get in," Jocelyn said. Killeen hesitated. Already the team was bringing down another piece of sheetmetal that some crafter had quickly bent into a crude cup shape. The metal had already lost most of its day heat and was so dim he could barely see it. "How many to go?" he asked. "Just us," Jocelyn said. "I'll stay till--" "Go." Jocelyn looked at him squarely, her features blotched by the infrared glow of her face. "I'm Cap'n, I stay till the last." "Yeasay." No point in arguing. Killeen stepped into the shell as Jocelyn held it steady. He lay down awkwardly. The shallow bowl rode only a hand's height above the black water. Jocelyn pushed him off. The river snatched him to itself as though he were a valued bauble. It swept him along, jostling the shell and throwing bitterly cold spray into his face. He tossed over hidden ridges and banged dovn hard. He stayed as low as he could. His infrared image would be submerged in the cold water. Cybers on the shore could easily miss him. Or so went the reasoning. 316 Gregory Benford He waited and clung to the smooth inner shell as the rush and roar of the water rose around him. No shots sang through the air nearby, He wondered how far the torrent would take him. It had not occurred to him until this moment that the Family should have been told how long to stay in their makeshift boats, Now they might disembark anywhere and end up spread far down this unknown river. He lay worrying for a while before he recognized the faint odor of the shell he was riding. It was the used carapace of a mech. He rode down the raging rapids in the hardened skin of his oldest enemy. Chapter SIXTEEN Quath crawled carefully forward. She had nearly exhausted her armaments now. It was time to use care and guile, else the day was lost. The Noughts continued to fall. Against Beq'qdahl's band they would have been squashed long before. But Quath had maneuvered in the gashed landscape and caught the attacking podia from behind. Like an ephemeral gauzy cloud she had danced upon the slopes. The extra outfitting the Tukar'ramin had provided worked and purred and salted the very air with deceptions. When podia fired at her the shots went wide, baking the already tortured soil, But the game was narrowing. The Noughts were backed to the river now and there was little Quath could do for them. She heard Beq'qdahl bray excitedly, Quath tuned to the far mountain, where tiny Nought auras flickered. She had wondered why these distant Noughts did not give battle. One of Beq'qdahl's podders asked, Hope leaped in Quath. But Beq'qdahl answered, Of course. Quath had forgotten that Beq'qdahl did not know which Nought was crucial. Still less did she suspect that in the end, they might all be necessary, how interdependent these seemingly autonomous beings were. Beq'qdahl cried. Quath caught a distant podder with a quick burst of ultraviolet. It lurched, disoriented, and rolled down a hillside, snapping two legs. Good. As she drew closer to her own Nought she caught a tremor of the scorching outrage it--no, he--felt. Not toward the attacking podia, but toward the distant main body of Noughts. These nearby Noughts were webbed together by the gossamer 317 318 Gregory Benford strands Quath could now feel ever more strongly. Their curious tension between self and other gave forth a binding energy. There was true sinew in them. She felt the translucent threads gradually cloaking her own minds. Their touch was cool and oddly comforting. And their smoldering rage arced among them. A marrow-dark anger at their own kind, fueled by betrayal. Quath realized with a start that the bitter scents were akin to the core-hot ire she felt toward Beq'qdahl and the other traitors. Quath's mood rose alkaline in her dry throats. She slipped down a yawning gap freshly torn in the hills. Her Nought was ahead, his mood urgent. Those close to him fought on, wrapped in a haze of burning fatigue. Despair laced bile-yellow through them. Quath saw Beq'qdahl clambering forward in short rushes, using the shelter of the shattered rock and broken mech factories. Gloom descended. Orange flames crept up the cowling of a dead hexpodder nearby. Quath switched to her full normal vision. The soil simmered in crisp pinks. The far mountains cooled faster, fading blue redoubts sinking into the night. A purple-black streamer marked the great fault line. She articulated softly forward. A multipodder appeared briefly and she quickly numbed its microwave dishes with a stinging shot. As she turned, she saw a Nought retreating. Before she could even judge which of the podia might catch the little fleeing form, a sharp bark split the night. Too late. Another Nought wounded or lost. And the web among all the little creatures wrenched and tore violently. This was what they felt in the face of death--if anything, even stronger than Quath's stunned recoiling from the fiat facts of the universe. A deeper sadness, laced with somber mortality. It was worse, she saw, to be small and fragile and still face the great night. Yet these things did. Too late. Too late. Chapter SEVENTEEN Killeen had tried to sleep in the makeshift boat, but the shallow mech carapace spun and slewed and rocked endlessIv. Once he had dozed off, but only because the current had swep him into a slow vortex inlet. He did not know how long he had circled there. At the merest hint of dawn he paddled the bobbing carapace ashore. He waded onto a rocky beach, cold and sore and dizzy with fatigue. Carefully expanding his sensorium, he caught the hazy fog-dots of Cybers. They were far behind him. Spread out, combing the riverbank. But coming fast. He got back into the carapace boat. The current was weaker here. It took him in a jouncing path over boulders that swelled up from the muddy waters like enormous speckled white fish. He went through two rough rapids before he heard the dull bass roar up ahead. It sounded like no battle he had ever heard before. When he asked his Arthur Aspect, the small mind said: I had forgotten that Snowglade had dried out so in your lifetime. I remember that sound from pleasant days of sport on the rivers that once blessed the valley of the great Citadel. It is a waterfall--probably a high one, judging from the amplitude. Arthur drew him a quick sketch. Killeen had always visualized water as a glorious, rare, placid entity. That it could rage and kill seemed a violation of some implicit promise. He quickly stroked against the suddenly gathering current. The shore was near but he swept by like a leaf in a gale. The water humbed his hands. He leaned far out of the awkward boat and stroked with furious energy. The shore inched closer. A roaring was all around him now. Spray hovered just ahead. He looked in that direction but the river seemed to vanish. 319 320 Gregory Benford It was hopeless. The carapace was speeding faster toward the brink. Killeen rolled out of the carapace. The water stung as he sank. His head went under just as he sucked in a breath. His boots struck something solid. He stroked against the current to keep upright. Already he wanted to breathe. The water was a brown wall. Where was shore? Currents had turned him around so much he could not tell. He stepped heavily and found that the riverbottom was steep. He headed upward. Knowing little about water, he saw that his only hope was that the mass of his equipment would keep him from being swept away. He slipped. For an agonizing moment he tumbled. He got his boot on a rock but it rolled out from under. The water was bitterly cold. He pulled himself forward with his arms and then got enough purchase to stand up. The burning in his lungs was worse. He surged forward, hoping he was going the right way. His boot slipped but he fanned his arms against the current and kept upright. Three more steps--and his head broke water. He struggled up the slope and fell on gravel. He sat letting the cold seep away and watched the plume of spray towering nearby. Glassy-smooth water shot by into empty space. Trees and bushes bobbed in the slick, brown surface--and then lurched into oblivion. He walked through the roaring and watched the great white column crash down with dazed fascination. The water had such a quixotic spirit, going from placid muddy flow to harsh, beautiful froth in the space of a heartbeat. He wondered if in some sense it was truly alive, as much entitled to the sovereignty owed to all life as were the plants and small creatures and humanity. Then something pricked at his weak, collapsed sensorium. He started, suddenly afraid that the Cybers had caught up to him already. But noit was a faint voice. A gathering call on Bishop comm. It fell silent but he had gotten a fix. He followed it for a while toward a range of slumped, ruined hills. The jagged stones of shattered strata seemed to snatch at his boots. He stumbled and nearly fell. --This way,-- Shibo sent. He could not use his searching sensorium for fear that Cybers would detect him--if they hadn't already. --Dad!-- Toby's quick spike was enough to give him a fresh directional. TIDES OF LIGHT 321 He ran down a crumpled hill into the seeming shelter of a thick forest. The same umbrella trees stood stately and serene in the faint promise of dawn. Beneath them he felt safer, cloaked in the remnants of life in this battered place. His power reserves ebbed. He slumped against a tree. The woods were silent and brooding, and then without transition Shibo was walking steadily toward him and the weight of the night lifted away, insubstantial. "You . . . you . . ." He could not shape any words that expressed what he felt. Then Toby was there and it was like his return to camp before, the Family enclosing him in an unspoken clasp. He simply let go, sinking to the ground. Time meant nothing. The world was immediate, without past or future. Every tree and bristly bush attained a sharp, stark clarity. Faces loomed, split by immense grins. Crisp light poured through them all, illuminating everything with an even, eternal glow. A mouthful of water drenched his throat in pure coolness. The snap and bite of rations burst in his mouth like explosions of unendurable pleasure. His muscles sang with release. The brush of Shibo's hand, Toby's arm about his neck-these framed each moment, lending a halo of incandescent immediacy. He had no idea how long he spent like that, but the moment came when the ordinary world snapped back solidly. "On your feet," Jocelyn called. She stood among the scattered party of Bishops, looking tired, her jaw set stiffly. "I located His Supremacy. They're headed down, followin' that ridgeline up there." "What about Cybers?" Toby asked. "We'll deal with 'em better ff we got the Tribe with us," Jocelyn said. "Besen can't make good time," Toby insisted. Besen leaned against a tree. Her eyes were hollow and her face was drawn. Jocelyn nodded. "We'll take turns helpin' with the wounded." "Not good for 'em," Toby said. "Wear 'em out." "We got no choice." "Howcome we should hook up again with those sonbitches?" Toby demanded. "'Cause when the Cybers run us down, ! want help." There was no good answer to that. Killeen was proud of the 322 Gregory Benford way Toby had stood up for Besen but he knew Jocelyn had to keep them moving. Nobody said anything as they got up and wearily made ready to march. There was no time for the Family to gather and count the dead or to mourn them. Desperation hung in the dry silence. Killeen discovered that his feet were sore. His boots had kept their water seal intact but his leggings were still damp from the night. It was a simple fact of life in the field that such a discovery quickly banishes whatever joy or pain the previous day brought. Every fresh pain demands its own audience. Every joint protested. As he got up Killeen swore he could hear himself creak. He helped Toby reset the bandage around the boy's hand. They said little. Toby spent all his time caring for Besen, who was dazed and weak. The boy seemed far more energetic and focused than he had been before. Killeen moved down the line cajoling a few Bishops who were simply staring into space. There were always those who could not forget the losses of one battle and carried them into the next. Years on the run had taught Killeen that people would put aside emotional weight when action came first. Their resilience was surprising, even noble. But if they had time to brood, or if someone belabored them about it, they could crack completely. He chided a few onto their feet and got them started. It helped him forget how many faces he did not see in the marching column and never would again. Everyone was low on power now. Some had a little more and they started out strongly, taking long strides and getting out in front. Killeen smiled at that. It was stupid to waste your reserves when you were still fresh. Jocelyn barked at this vanguard and made them take flank and point positions. Sunrise sent yellow blades cutting through the upper cloud decks. Killeen thought of all the activity above the misty overcast--the huge warrens abuilding, the cosmic ring orbiting as it waited to be used again, the Skysower that churned on, planting its seeds. For what? All these immense structures seemed without human implication, as natural and inevitable as the weather--and equally beyond human hope of changing. The Family line straggled out along the slopes as they worked up into the hills. Cermo had taken a tech hit in the waist; no bodily wound, and he could still walk. He fussed with his equipment and got most of his upper shocks working again. Then he went up and down the line, joshing and giving sympathy and TIDES OF LIGHT 323 pulling together Family elements that seemed most discouraged. Jocelyn did the same toward the front of the column. Killeen watched all this with approval, curiously calm. Up ahead lay the Tribe and the supply train. Behind came the Cybers. If they were to survive this day the Family would have to be swift and lucky. Having turned the matter over in his mind for a while, he put it aside. There was nothing more to do but enjoy what was probably his last glimpse of morning. He walked with his arm across Shibo's shoulders, resting on her exoskeleton. It was charging from her solar panels and helped her up the steepening slope. Its catlike purr seemed to waft on the warming air. The slow, lazy sound floated through his mind. It was a long while before he realized it was not sound at all. A dry cool weight rested in the space just behind the nape of his neck. That was the way it felt when he had just taken on a new Aspect--a lumpy wedge tugging at the back of his brain. But this was stronger, as though air had twisted and condensed into a hanging dark syrup. Traceries of half-sensed ideas flapped through the ball of blotchy air. Killeen labored up the gravelly slopes, keeping march speed with the others, saying nothing, his attention sucked toward the presence that seemed to hover like buttery heat. He felt his arms and legs moving as though in thick oil. His lungs contained a patient, gurgling fluid. Air tasted like metallic blood. "It's here," he whispered. Shibo looked at him quizzically. He stumbled, caught himself. The massive, deliberate movements were unmistakable. It was the Cyber who had captured him. And it was behind them. No wonder the Cybers had stuck to them so well, he thought. They undoubtedly had a tracer of some kind planted on him. Nothing complex, just a transponder which could reflect a keyed signal. It could be no thicker than a thumbnail. At the next rest break Killeen inspected his equipment. It would have been put somewhere he was unlikely to see it .... In only a few moments he found the small circle stuck to the inside of his left upper shocks. But it was cracked and pitted, probably from the spills he had taken. When he tried some sounding signals it failed to respond. He tossed it aside and stared off into the rumpled hills. Morning mist rose from the great stands of barrel-trunked trees. Their topmost limbs arced evenly out in the characteristic umbrella 324 Gregory Benford formation. Birds circled and dove among the pale emerald reaches. And the sluggish presence still sat at his neck. The circular transponder had probably failed some time ago. Now the Cyber was following him by sniffing out his sensorium. The thought sent hollow dread through him. But another memory tugged. In the fighting yesterday he had also felt something like this tenuous weight. And it had made clear things that had helped disable and elude Cybers. The blunt presence did not seem hostile. Still, Killeen became more uneasy as he felt the ponderous wedge waiting, expectant. Images like frescoes of the real world slid through his mind, filigree-thin. They dimly recalled his past voyages in the mind of the Mantis. There had been huge caverns of separate experience, volumes that dwarfed Killeen. Now he felt himself on the verge of another plunging gray abyss. The sensation made his heart race but gradually fear left him. He got up wearily, leaning on Shibo, and started into the next stand of trees. Some Family were foraging for food. Small shoots on the bushes were edible, his Ann Aspect told him. The big trees had fungus of deep turquoise circling their lower trunks. A Bishop woman was scraping it off with a laser cutter in one hand, eating with the other. As they went by she gave them some and it was sharp but meaty. Toby and Besen were too far behind. Besen could walk steadily now though there were still dark circles under her eyes and she moved with rickety care. They had gone a few steps when the woman behind cried out. The tree was smoking. She stepped back, cutting off the laser pulses, and the tree trunk began jetting a thin, whitehot flame. Blowtorch intensity threw a sudden, welcome heat. The fierce gout of smokeless flame grew rapidly. The woman stared dumbfounded at the glowing lance. Toby pulled her away. "Run!" he shouted. Killeen tugged Besen uphill. The Bishops took a moment to register the danger. Then they started off at a determined trot, laboring uphill as the flame grew behind them. Cermo was shouting orders. "What... what you think... was?" Shibo asked beside him. The best they could manage uphill was a ragged trot. "Some kind energy resource, maybe," Killeen answered. "Mechs must've grown 'cm." TIDES OF LIGHT 325 "Mechs use biotech?" "Did on Snowglade, some." "Just fact'ry stuff. Replacement parts for their own innards." "Far as we know, yeasay. Here they did better." They stopped at the first shoulder above the broad forest. Toby and Besen struggled up the slope with a wall of billowing smoke behind them. The woman had started a ferocious forest fire. At least it might slow the Cybers, Killeen thought. He tried to see a way to use the flame trees against them when they came up through the forest. The thought gave him a spurt of energy and he overtook the point party, led by Cermo. He was still mulling over the possibilities when they saw a squad of people on the far ridgeline. "Tribe!" Cermo called ahead. "Bishops approach." --That fire'11 show us up good,-- a distant voice answered sardonically. "You bastards left us back there!" Cermo called. --Orders. His Supremacy said was only way.-- Cermo said, "Only way of savin' your asses you mean." --Stuff that. His Supremacy says, you do. Lucky you got out.- To Killeen the Tribe's attitude was bizarre. As the Bishops came up onto the stark ridgeline they found ranks formed in moving defensive perimeters. The Tribe was making good time toward a high, wooded knoll. Though the Tribe greeted the Bishops with some warmth, many showed no sign of guilt over having left their fellows on the battlefield. Bishops muttered angrily. Some of the Tribe were reticent and moved away. The bulk, though, looked at the struggling Bishop remnants with interest but obviously without for a moment considering that a gross breach of ordinary human morality had occurred. "Don't give a damn 'bout us, do they?" Toby said. "It's their faith," Besen said. "His Supremacy says we're expendable, so be it." "None so blind as she who will not see," Shibo said, her voice soft with fatigue. She had helped Besen up the last rise and her power reserves werc gone. Killeen looked at her quizzically and she said, "One my Aspects fed me that. Old saying from Cap'n Jesus. Figure we need all the wisdom we can get." The situation would have been far more tense if the Bishops 326 Gregory Benford had not been so tired. They rested along the ridgeline as more Families marched past in open-arrow formation, wedge flanks far out to guard against Cybers. Oily smoke came rolling up from the spreading fire below. Killeen could see trees catch and spurt out their pencil-thin gouts. Curiously, the trees burned only at regularly spaced points up the trunk. He watched as a tall one caught. The first plume shot out near the base. Then another started farther up the trunk and directly above the first. Soon there were seven whitehot flames evenly spaced along the trunk. The top of the tree began to rock and then it went over, pushed by the thrust of the escaping brilliant gas. He marveled at them in his exhaustion. The forest fire guttered out into sour smoke as the stand of trees was exhausted. Killeen felt in his mind the persistent weight of what he now thought of as his Cyber, but he could not tell if it was getting closer. Smoke layered the valley like smudged glass and made it impossible to see approaching Cybers. He smelled their fog-dabs at the edges of his sensorium, though. They lay in the waxing morning sun and let it take some of the ache out of them. Besen was throwing off her dizziness and even made a joke. It was as if they had all agreed to set aside the press of the world and evoke some vestige of earlier Family times. Shibo contended with a riddle: "What's the best kind pain?" Killeen murmured, "What's this, old Pawn Family saying?" "Yeasay." Shibo was the only surviving Pawn member. "No kind pain's good," Besen said reasonably. "I give up," Toby said. "Can't be real pain, right?" Shibo hinted with a slight smile. "Fake pain?" Toby was puzzled. "Right," Shibo said. "Champagne." It was weak humor but they were weaker and everybody laughed. Nobody had seen champagne since the Citadels and the origin of the term was buried in antiquity. His Grey Aspect tried to tell Killeen something about Family France but he lay back in the warming sun and ignored her. Bishops repeated Shibo's joke and he could hear the tired laughter work its way along the ridgeline. A rest can seem to last a long time when you need it and so Killeen came back from a place far away when the voice said loudly nearby, "So you have rejoined us?" His Supremacy stood with his marching escort talking to Joce- TIDES OF LIGHT 327 lyn. Killeen had not registered any of the conversation until this point, but when he did sudden anger spiked through him. "You left us out there," Jocelyn said flatly. As Killeen got up, His Supremacy said grandly, "I determined that your feint was insufficient." "We lost plenty people!" His Supremacy coughed slightly as a wreath of greasy smoke drifted up from the valley. "In our heroic struggle there are martyrs, of course." "You ran oS" Jocelyn's fists were clenched. "I used your diversion to effect an escape" "You turned tail!" " from our untenable situation. And I expect you to keep a respectful tongue while addressing myself." "We could have withdrawn if you'd told us. Before we reached the valley floor." "As I said--" "I couldn't even raise you on deep comm. You wouldn't--" "That is enough!" His Supremacy's eyes flickered with a strange pale cast. "I demand that you--" "No one demands of God. You will now--" "Some God! You're just a--" His Supremacy made a small gesture with his hand. One of his guards stepped smartly forward and clipped Jocelyn expertly on the side of her head with a pistol, as if he had done the same thing many times. She went down heavily and lay still. "Stake her," His Supremacy said. "She is obviously ridden by the demons she has battled." He gazed out over the ridgeline where Bishops were gathering. A knot of them had formed behind Killeen, who stood absolutely still. "And as well, I see there are others among the Bishops who seem to neglect the holy nature of my office." This was plainly calculated to throw fear into the Bishops. A Bishop man shouted, "You're bunch cowards!" "You turn 'n' run pretty quick, for a God," a woman called sarcastically. Some Bishops' hands began to creep toward their weapons but His Supremacy's escort leveled theirs immediately, catching them by surprise. His Supremacy said hotly, "I believe ! see demons dancing in the eyes of many here. Careful of your wild talk." 328 Gregory Benford "Keep your damn hands off Jocelyn," a voice yelled from the knot behind Killeen. "Yeasay!" "Gutless bastard!" "Yellowbellies!" "Fatass poltroon!" His Supremacy gestured slightly and two men in his escort started toward the knot. They trotted forward, trying to see who had yelled. Killeen said, "Stop them or you'll have a fight." His Supremacy gazed at him as though looking down at an insect. "You would threaten the deputy of All Living Holiness?" "Just predicting," Killeen said evenly. --and as he finished saying it he clenched his jaw solidly shut against a sudden boiling turmoil inside. The wedge at the back of his mind was a swelling sore. Pressure bulged through him. His vision narrowed down to a tight blue cone centered on the swarthy face of the strutting little man. His Supremacy raised a hand and his guard stopped. He licked his lips and assessed the gathering crowd of Bishops. Killeen wondered if the man had the stomach for a shootout at close quarters. If so, a lot of people would die very quickly. But then the curious vacant look came into His Supremacy's eyes and Killeen saw that the man would try to talk himself out of this. Talk. Endless empty talk. All Killeen's buried anger and sorrow rushed into his throat. Bile stung his mouth. A storm swept from the jellied presence at the back of his mind, blowing through him. His Supremacy went on, "We are marching to meet again the bountiful grace of God as it descends from heaven. I say to all you brethren, turn away from these dectiers of the immaculate path. Your Cap'n Jocelyn has erred gravely. She caused you many, many tragic losses upon the exalted battlefield. Be rid of her. Let--" - .and compressed rage ripped the air like a scalding release. Killeen felt a squeezing pulse of electromagnetic energy hum past his shoulder. It refracted the air with its wake and struck His Supremacy solidly in the head. Killeen dove sidewise and hit the ground. The Cyber pulse had come from above and his first thought was to find the source. But as he rolled to his left he felt a sudden sweet dwindling of the TIDES OF LIGHT 329 heavy wedge behind his head. He realized in a rush that it was his Cyber who had fired the bolt. He sat up amid cries and shouts. The little man who called himself His Supremacy was down. Killeen somehow knew there was no more danger. He stood up and walked to the crumpled form. Tribe members gaped at their fallen leader. Confusion swept them. They looked for the source of this assassination and saw nothing. The madman seemed even smaller in death. In repose Killeen could see that the face had carried its expression of dignity and power through sheer effort of will. Relaxed, it was an ordinary, bland face. But that was not what caught his eye. The pulse had fried away a big section of His Supremacy's temples where the comm gear and sensorium were lodged. The violence of the overheating had blown the entire molding material out of the head, revealing something beneath. All along the skull lining lay an elaborately gridded inset. The heavy mesh was embedded below the ordinary gear. Killeen knelt and plucked at it. Through his enhanced nerves he felt a repellent strumming sensation. The reek struck solidly at his memories. "Mechtech," he said. He peeled back more skin. Shibo squatted next to him. Her eyes widened when she saw the intricate sheath all around the crown of the head. It tapped into the brain directly with myriad connections. "Micro'tronics." "No scars on the scalp. Been in here awhile, I'd judge," Killeen said tightly. "What . . . what could it . . ." Shibo said. "They must've got him before the Cybers ever came here. He was leadin' the Tribe by then and this must've been how he got that high." "They could give orders directly this way." "Yeasay. And be sure they were followed." Killeen looked cautiously at the Tribe members nearby but they all seemed in shock. They stared at the shattered head in confusion. He wondered what this would do to their precious faith. Shibo said, "I guess when the Cybers came, mechs turned him against them." "Yeasay. That's why he wouldn't allow anything but attack, never mind the cost." 330 Gregory Benford "This . . ." She seemed unable to say the words. "Humans run by mechs . . ." "We're just pawns here." "It must have been awful. He was trapped inside there." "Poor bastard. He wasn't just crazy after all." Chapter EIGHTEEN Quath squeezed her shot cleanly between the Noughts. The narrow spike struck soundly against the strange mech-ridden Nought. She felt the inner mech presence disintegrate, fragments and figments whirling off into emptiness. Good. Her plan, hatched all through the smoldering night, hung only moments from completion. Until minutes ago, the Noughts had been perfectly arranged. She had only to act. But then had come this squabble among the Noughts. And far worse, the arrival of Beq'qdahl nearby. Quath could feel her elegant plan slipping away. Time slowed for her. Her subminds sorted and arrayed the flashflood of implications. The mech parasite had been cleverly concealed. Quath had fieetingly felt it before, on the mountaintop. But the muggy Nought minds had obscured the steel-edged intelligence that scurried shadow-thin whenever Quath probed. In the instant of killing, the mech lurker splashed open. Quath caught the maggot essence of it, the delicate, mosaic power. It had cleverly fastened upon a Nought weakness. Quath stretched and snared the scent of that Nought flaw: a black, festering need, heavy and clogged with bloodknot pain. Yes! With monumental irony, this poisoning soft spot hinged upon the Noughts' great strength. Their wisdom, she knew, flowered forth from their keening sense of mortality. That gave them the sure grasp of each passing moment as unique and, if one peered remorselessly into it, luminescent. Yet from that bedrock strength many Noughts fled. Their dewy fever drew them to fantasies of being not Noughts at all, but instead the most powerful of agencies, somehow linked with the embodiment of all nature itself. Madness! Surely wisdom meant accepting your station in a hierarchy of life and intelligence. To claim grotesquely huge powers belied all that life taught. 331 332 Gregory Benford But in grasping this Nought facet Quath saw that her own podia were equally foolish. The Verities, the Synthesis--were they any different? To claim a connectedness between self and inert matter. To intone beliefs in unseen powers. Clever mechs, to see this Nought vulnerability. A bitter chill ran through Quath as she realized that the mechs must then fathom the deepest motivations of the podia, as well. After such knowledge, the mechs must have enormous advantage over the podia. Why, then, had they allowed podia to seize this planet so easily? Quath felt the very ground slipping away beneath her, all in the fractional instant that her minds knitted together thin threads of suspicion that had been waiting for so long. Yes!--there was more to the mechs than the podia had ever guessed. Her subminds rattled off long-smoldering riddles: Their introduction of these Noughts and the ancient ship into the struggle with the podia. The strange mech experiments near pulsars, never explained. Their defense of Galactic Center against all lifeforms, for unknown purposes. Of course, one of Quath's subminds argued, energy densities were great here. Mechs were supreme at harnessing the raw flux of currents and photons. Life was more vulnerable to such hard energies. In the natural scheme of matters, organic life would not naturally be drawn to dwell near the all-gnawing appetite of the black hole. Even the podia, encrusted with ceramics and tough alloys, suffered from the ripping hail of protons in deep space. The soft Noughts were far more threatened by the endless sleeting effusions of the hole. Yet they came. Why? Quath had never pondered this mystery to its depths--indeed, until this moment, had not seen it as a profound puzzle. All life, whether swaddled in bone or carapace or filmy flesh, seemed to feel that Galactic Center held a goal, a secret. A clue, perhaps, to the meaning of their brief passage. But what did they seek? Why? Did the Illuminates know? The simple fact that those lordly beings had split over the destiny and use of a mere Nought argued otherwise. Could the Noughts hold some crucial tidbit of the puzzle? Suddenly the notion did not seem entirely mad. Quath reeled for the smallest fragment of an instant. Then the TIDES OF LIGHT 333 ageold lessons asserted themselves. She focused outward, beyond the raucous elamor of her subminds. For the worst had come. Beq'qdahl's gang now moved to attack. Quath had lain hidden among the broken strata above where the Noughts clustered. Their rear guard had c. lready passed and their destination lay not far beyond. Here the faults were like fracture planes snapped off in midair. Shelves of stone jutted at a platinum sky. Beq'qdahl and his podia had erept among these to within easy range of the Noughts, who milled in confusion. Quath caught the ready signal from Beq'qdahl. They would wreak havoc. She had to give the Noughts time and warning. Quath called. She let the signal scatter through the spectrum. Her Nought was sure to sense it. Beq'qdahl jerked with surprise. Beq'qdahl was cautious, striving to conceal her anger.