Again he had to rest. While he panted, he made a curious discovery. All around the bole of the water plant, the steel surface of the sky curved upward, making a kind of sheathe. He found that he would insert his hand into it—there was almost enough space to admit his head as well. Clinging closely to the bole, he looked up into the inside of the sheathe, probing it with his injured hand. The glare was blinding.
There was a kind of soundless explosion. His whole wrist was suddenly encircled in an intense, impersonal grip, as if it were being cut in two. In blind astonishment, he lunged upward.
The ring of pain travelled smoothly down his upflung arm as he rose, was suddenly around his shoulders and chest. Another lunge and his knees were being squeezed in the circular vise. Another—
Something was horribly wrong. He clung to the bole and tried to gasp, but there was—nothing to breathe.
The water came streaming out of his body, from his mouth, his nostrils, the spiracles in his sides, spurting in tangible jets. An intense and fiery itching crawled over the surface of his body. At each spasm, long knives ran into him, and from a great distance he heard more water being expelled from his book-lungs in an obscene, frothy sputtering. Inside his head, a patch of fire began to eat away at the floor of his nasal cavity.
Lavon was drowning.
With a final convulsion, he kicked himself away from the splintery bole, and fell. A hard impact shook him; and then the water, which had clung to him so tightly when he had first attempted to leave it, took him back with cold violence.
Sprawling and tumbling grotesquely, he drifted, down and down and down, toward the bottom.
~ * ~
For many days, Lavon lay curled insensibly in his spore, as if in the winter sleep. The shock of cold which he had felt on re-entering his native universe had been taken by his body as a sign of coming winter, as it had taken the oxygen-starvation of his brief sojourn above the sky. The spore-forming glands had at once begun to function.
Had it not been for this, Lavon would surely have died. The danger of drowning disappeared even as he fell, as the air bubbled out of his lungs and readmitted the life-giving water. But for acute dessication and third degree sunburn, the sunken universe knew no remedy. The healing amnionic fluid generated by the spore-forming glands, after the transparent amber sphere had enclosed him, offered Lavon his only chance.
The brown sphere was spotted after some days by a prowling ameba, quiescent in the eternal winter of the bottom. Down there the temperature was always an even 4°, no matter what the season, but it was unheard of that a spore should be found there while the high epilimnion was still warm and rich in oxygen.
Within an hour, the spore was surrounded by scores of astonished protos, jostling each other to bump their blunt eyeless prows against the shell. Another hour later, a squad of worried men came plunging from the castles far above to press their own noses against the transparent wall. Then swift orders were given.
Four Para grouped themselves about the amber sphere, and there was a subdued explosion as the trichocysts which lay embedded at the bases of their cilia, just under the pellicle, burst and cast fine lines of a quickly solidifying liquid into the water. The four Paras thrummed and lifted, tugging.
Lavon’s spore swayed gently in the mud and then rose slowly, entangled in the web. Nearby, a Noc cast a cold pulsating glow over the operation—not for the Paras, who did not need the light, but for the baffled knot of men. The sleeping figure of Lavon, head bowed, knees drawn up to its chest, revolved with an absurd solemnity inside the shell as it was moved.
“Take him to Shar, Para.”
The young Shar justified, by minding his own business, the traditional wisdom with which his hereditary office had invested him. He observed at once that there was nothing he could do for the encysted Lavon which would not be classifiable as simple meddling.
He had the sphere deposited in a high tower room of his castle, where there was plenty of light and the water was warm, which should suggest to the estivating form that spring was again on the way. Beyond that, he simply sat and watched, and kept his speculations to himself.
Inside the spore, Lavon’s body seemed rapidly to be shedding its skin, in long strips and patches. Gradually, his curious shrunkenness disappeared. His withered arms and legs and sunken abdomen filled out again.
The days went by while Shar watched. Finally he could discern no more changes, and, on a hunch, had the spore taken up to the top of the tower, into the direct daylight.
An hour later, Lavon moved in his amber prison.
He uncurled and stretched, turned blank eyes up toward the light. His expression was that of a man who had not yet awakened from a ferocious nightmare. His whole body shone with a strange pink newness.
Shar knocked gently on the walls of the spore. Lavon turned his blind face toward the sound, life coming into his eyes. He smiled tentatively and braced his hands and feet against the inner wall of the shell.
The whole sphere fell abruptly to pieces with a sharp crackling. The amnionic fluid dissipated around him and Shar, carrying away with it the suggestive odor of a bitter struggle against death.
Lavon stood among the shards and looked at Shar silently. At last he said:
“Shar—I’ve been above the sky.”
“I know,” Shar said gently.
Again Lavon was silent. Shar said, “Don’t be humble, Lavon. You’ve done an epoch-making thing. It nearly cost you your life. You must tell me the rest—all of it.”
“The rest?”
“You taught me a lot while you slept. Or are you still opposed to ‘useless’ knowledge?”
Lavon could say nothing. He no longer could tell what he knew from what he wanted to know. He had only one question left, but he could not utter it. He could only look dumbly into Shar’s delicate face.
“You have answered me,” Shar said, even more gently than before. “Come, my friend; join me at my table. We will plan our journey to the stars.”
~ * ~
There were five of them around Shar’s big table: Shar himself, Lavon, and the three assistants assigned by custom to the Shars from the families Than, Tanol and Stravol. The duties of these three men—or, sometimes, women —under many previous Shars had been simple and onerous: to put into effect in the field the genetic changes in the food crops which the Shar himself had worked out in laboratory tanks and flats. Under other Shars more interested in metal-working or in chemistry, they had been smudged men—diggers, rock-splitters, fashioners and cleaners of apparatus.
Under Shar XVI, however, the three assistants had been more envied than usual among the rest of Lavon’s people, for they seemed to do very little work of any kind. They spent long hours of every day and evening talking with Shar in his chambers, poring over records, making mysterious scratch-marks on slate, or just looking at simple things about which there was no obvious mystery. Sometimes they actually worked with Shar in his laboratory, but mostly they just sat.
Shar XVI had, as a matter of fact, discovered certain rudimentary rules of inquiry which, as he explained it to Lavon, he had recognized as tools of enormous power. He had become more interested in passing these on to future workers than in the seductions of any specific experiment, the journey to the stars perhaps excepted. The Than, Tanol and Stravol of his generation were having scientific method pounded into their heads, a procedure they maintained was sometimes more painful than heaving a thousand rocks.
That they were the first of Lavon’s people to be taxed with the problem of constructing a spaceship was, therefore, inevitable. The results lay on the table: three models, made of diatom-glass, strands of algae, flexible bits of cellulose, flakes of stonewort, slivers of wood, and organic glues collected from the secretions of a score of different plants and animals.
Lavon picked up the nearest one, a fragile spherical construction inside which little beads of dark-brown lava —actually bricks of rotifer-spittle painfully chipped free from the wall of an unused ca
stle—moved freely back and forth in a kind of ball-bearing race. “Now whose is this one?” he said, turning the sphere curiously to and fro.
“That’s mine,” Tanol said. “Frankly I don’t think it comes anywhere near meeting all the requirements. It’s just the only design I could arrive at that I think we could build with the materials and knowledge we have.”
“But how does it work?”
“Hand it here a moment, Lavon. This bladder you see inside at the center, with the hollow spyrogyra straws leading out from it to the skin of the ship, is a bouyancy tank. The idea is that we trap ourselves a big gas-bubble as it rises from the bottom and install it in the tank. Probably we’ll have to do that piecemeal. Then the ship rises to the sky on the bouyancy of the bubble. The little paddles, here along these two bands on the outside, rotate when the crew—that’s these bricks you hear shaking around inside—walks a treadmill that runs around the inside of the hull; they paddle us over to the edge of the sky. Then we pull the paddles in—they fold over into slots, like this— and, still by weight-transfer from the inside, roll ourselves up the slope until we’re out in space. When we hit another world and enter the water again, we let the gas out of the tank gradually through the exhaust tubes represented by these straws, and sink down to a landing at a controlled rate.”
“Very ingenious,” Shar said thoughtfully. “But I can foresee some difficulties. For one thing, the design lacks stability.”
“Yes, it does,” Tanol agreed. “And keeping it in motion is going to require a lot of footwork. On the other hand, the biggest expenditure of energy involved in the whole trip is going to be getting the machine up to the sky in the first place, and with this design that’s taken care of—as a matter of fact, once the bubble’s installed, we’ll have to keep the ship tied down until we’re ready to go.”
“How about letting the gas out?” Lavon said. “Will it go out through those little tubes when we want it to? Won’t it just cling to the walls of the tank instead? The skin between water and gas is pretty difficult to deform—to that I can testify.”
Tanol frowned. “That I don’t know. Don’t forget that the tubes will be large in the real ship, not just straws as they are in the model.”
“Bigger than a man’s body?” Than said.
“No, hardly. Maybe as big, though, as a man’s head.”
“Won’t work,” Than said tersely. “I tried it. You can’t lead a bubble through a pipe that small. As Lavon said, it clings to the inside of the tube and won’t be budged. If we build this ship, we’ll just have to abandon it once we hit our new world.”
“That’s out of the question,” Lavon said at once. “Putting aside for the moment the waste involved, we may have to use the ship again in a hurry. Who knows what the new world will be like? We’re going to have to be able to leave it again if it is impossible to live in.”
“Which is your model, Than?” Shar said.
“This one. With this design, we do the trip the hard way—crawl along the bottom until it meets the sky, crawl until we hit the next world, and crawl wherever we’re agoing when we get there. No aquabatics. She’s treadmill-powered, like Tanol’s, but not necessarily man-powered; I’ve been thinking a bit about using diatoms. She steers by varying the power on one side or the other; also we can hitch a pair of thongs to opposite ends of the rear axle and swivel her that way, but that would be slower and considerably less precise.”
Shar looked closely at the tube-shaped model and pushed it experimentally along the table a little way. “I like that,” he said presently. “It sits still when you want it to. With Than’s spherical ship, we’d be at the mercy of any stray current at home or in the new world—and for all I know there may be currents of some sort in space, too, gas currents perhaps. Lavon, what do you think?”
“How would we build it?” Lavon said. “It’s round in cross-section. That’s all very well for a model, but how do you make a really big tube of that shape that won’t fall in on itself?”
“Look inside, through the front window,” Than said. “You’ll see beams that cross at the center, at right angles to the long axis. They hold the walls braced.”
“That consumes a lot of space,” Stravol objected. By far the quietest and most introspective of the three assistants, he had not spoken until now since the beginning of the conference. “You’ve pretty well got to have free passage back and forth inside the ship. How are we going to keep everything operating if we have to be crawling around beams all the time?”
“All right, come up with something better,” Than said, shrugging.
“That’s easy. We bend hoops.”
“Hoops!” Tanol said. “On that scale? You’d have to soak your wood in mud for a year before it would be flexible enough, and then it wouldn’t have the strength you’d need.”
“No, you wouldn’t,” Stravol said. “I didn’t build a ship-model, I just made drawings, and my ship isn’t as good as Than’s by a long distance. But my design for the ship is also tubular, so I did build a model of a hoop-bending machine—that’s it on the table. You lock one end of your beam down in a heavy vise, like so, leaving the butt sticking out the other side. Then you tie up the other end with a heavy line, around this notch. Then you run your rope around a windlass, and five or six men wind up the windlass, like so. That pulls down the free end of the beam until the notch engages with this key-slot, which you’ve pre-cut at the other end. Then you unlock the vise, and there’s your hoop; for safety you might drive a peg through the joint to keep the thing from springing open unexpectedly.”
“Wouldn’t the beam you were using break after it had bent a certain distance?” Lavon asked.
“Stock timber certainly would,” Stravol said. “But for this trick you use green wood, not seasoned. Otherwise you’d have to soften your beam to uselessness, as Tanol says. But live wood will flex enough to make a good, strong, single-unit hoop—or if it doesn’t, Shar, the little rituals with numbers that you’ve been teaching us don’t mean anything after all!”
Shar smiled. “You can easily make a mistake in using numbers,” he said.
“I checked everything.”
“I’m sure of it. And I think it’s well worth a trial. Anything else to offer?”
“Well,” Stravol said, “I’ve got a kind of live ventilating system I think should be useful. Otherwise, as I said, Than’s ship strikes me as the type we should build; my own’s hopelessly cumbersome.”
“I have to agree,” Tanol said regretfully. ‘‘But I’d like to try putting together a lighter-than-water ship sometime, maybe just for local travel. If the new world is bigger than ours, it might not be possible to swim everywhere you might want to go there.”
“That never occurred to me,” Lavon exclaimed. “Suppose the new world is twice, three times, eight times as big as ours? Shar, is there any reason why that couldn’t be?”
“None that I know of. The history plates certainly seem to take all kinds of enormous distances practically for granted. All right, let’s make up a composite design from what we have here. Tanol, you’re the best draftsman among us, suppose you draw it up. Lavon, what about labor?”
“I’ve a plan ready,” Lavon said. “As I see it, the people who work on the ship are going to have to be on the job full-time. Building the vessel isn’t going to be an overnight task, or even one that we can finish in a single season, so we can’t count on using a rotating force. Besides, this is technical work; once a man learns how to do a particular task, it would be wasteful to send him back to tending fungi just because somebody else has some time on his hands.
“So I’ve set up a basic force involving the two or three most intelligent hand-workers from each of the various trades. Those people I can withdraw from their regular work without upsetting the way we run our usual concerns, or noticeably increasing the burden on the others in a given trade. They will do the skilled labor, and stick with the ship until it’s done. Some of them will make up the crew, too. For he
avy, unskilled jobs, we can call on the various seasonal pools of idle people without disrupting our ordinary life.”
“Good,” Shar said. He leaned forward and rested linked hands on the edge of the table—although, because of the webbing between his fingers, he could link no more than the fingertips. “We’ve really made remarkable progress. I didn’t expect that we’d have matters advanced a tenth as far as this by the end of this meeting. But maybe I’ve overlooked something important. Has anybody any more suggestions, or any questions?”
“I’ve got one,” Stravol said quietly.
“All right, let’s hear it.”
“Where are we going?”
There was quite a long silence. Finally Shar said: “Stravol, I can’t answer that yet. I could say that we’re going to the stars, but since we still have no idea what a star is, that answer wouldn’t do you much good. We’re going to make this trip because we’ve found that some of the fantastic things that the history plates say are really so. We know now that the sky can be passed, and that beyond the sky there’s a region where there’s no water to breathe, the region our ancients called ‘space.’ Both of these ideas always seemed to be against common sense, but nevertheless we’ve found that they’re true.
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