Heavy Planet (21 page)
Authors: Hal Clement
A gleaming skeleton of metal rose eight feet above a flat-topped mound of rock and earth. Mesklinites were busily attacking another row of plates whose upper fastenings had just been laid bare. Others were pushing the freshly removed dirt and pebbles to the edge of the mound. Still others moved back and forth along a well-marked road that led off into the desert, those who approached dragging flat, wheeled carts loaded with supplies, those departing usually hauling similar carts empty. The scene was one of activity; practically everyone seemed to have a definite purpose. There were two radio sets in evidence now, one on the mound where an Earthman was directing the dismantling from his distant vantage point and the other some distance away.
Dondragmer was in front of the second set, engaged in animated conversation with the distant being he could not see. The sun still circled endlessly, but was very gradually descending now and swelling very, very slowly.
“I am afraid,” the mate said, “that we will have serious trouble checking on what you tell us about the bending of light. Reflection I can understand; the mirrors I made from metal plates of your rocket made that very clear. It is too bad that the device from which you let us take the lens was dropped in the process; we have nothing like your glass, I am afraid.”
“Even a reasonably large piece of the lens will do, Don,” the voice came from the speaker. It was not Lackland’s voice; he was an expert teacher, he had found, but sometimes yielded the microphone to a specialist. “Any piece will bend the light, and even make an image—but wait; that comes later.”Try to find what’s left of that hunk of glass, Don, if your gravity didn’t powder it when the set landed.” Dondragmer turned from the set with a word of agreement; then turned back as he thought of another point.
“Perhaps you could tell what this ‘glass’ is made of, and whether it takes very much heat? We have good hot fires, you know. Also there is the material set over the Bowl—ice, I think Charles called it. Would that do?”
“Yes, I know about your fires, though I’m darned if I see how you do burn plants in a hydrogen atmosphere, even with a little meat thrown in. For the
rest, ice should certainly do, if you can find any. I don’t know what the sand of your river is made of, but you can try melting it in one of your hottest fires and see what comes out. I certainly don’t guarantee anything, though; I simply say that on Earth and the rest of the worlds I know ordinary sand will make a sort of glass, which is greatly improved with other ingredients. I’m darned if I can see either how to describe those ingredients to you or suggest where they might be found, though.”
rest, ice should certainly do, if you can find any. I don’t know what the sand of your river is made of, but you can try melting it in one of your hottest fires and see what comes out. I certainly don’t guarantee anything, though; I simply say that on Earth and the rest of the worlds I know ordinary sand will make a sort of glass, which is greatly improved with other ingredients. I’m darned if I can see either how to describe those ingredients to you or suggest where they might be found, though.”
“Thank you; I will have someone try the fire. In the meantime, I will search for a piece of lens, though I fear the blow when it struck left little usable. We should not have tried to take the device apart near the edge of the mound; the thing you called a ‘barrel’ rolled much too easily.”
Once more the mate left the radio, and immediately encountered Barlennan.
“It’s about time for your watch to get on the plates,” the captain said. “I’m going down to the river. Is there anything your work needs?”
Dondragmer mentioned the suggestion about sand.
“You can carry up the little bit I’ll need, I should think, without getting the fire too hot; or did you plan on a full load of other things?”
“No plans; I’m taking the trip mainly for fun. Now that the spring wind has died out and we get breezes in every old direction, a little navigation practice might be useful. What good is a captain who can’t steer his ship?”
“Fair enough. Did the Flyers tell you what this deck of machines was for?”
“They did pretty well, but if I were really convinced about this spacebending business I’d have swallowed it more easily. They finished up with the old line about words not really being enough to describe it. What else beside words can you use, in the name of the Suns?”
“I’ve been wondering myself; I think it’s another aspect of this quantitycode they call mathematics. I like mechanics best myself; you can do something with it from the very beginning.” He waved an arm toward one of the carts and another toward the place where the differential pulley was lying.
“It would certainly seem so. We’ll have a lot to take home—and some, I guess, we’d better not be too hasty in spreading about.” He gestured at what he meant, and the mate agreed soberly. “Nothing to keep us from playing with it now, though.” The captain went his way, and Dondragmer looked after him with a mixture of seriousness and amusement, he rather wished that Reejaaren were around; he had never liked the islander, and perhaps now he would be a little less convinced that the
Bree
’s crew was composed exclusively of liars.
Bree
’s crew was composed exclusively of liars.
That sort of reflection was a waste of time, however. He had work to do. Pulling plates off the metal monster was less fun than being told how to do experiments, but his half of the bargain had to be fulfilled. He started up the mound, calling his watch after him.
Barlennan went on to the
Bree
. She was already prepared for the trip, two sailors aboard and her fire hot. The great expanse of shimmering, nearly transparent fabric amused him; like the mate, he was thinking of Reejaaren, though
in this case it was of what the interpreter’s reaction would be if he saw the use to which his material was being put. Not possible to trust sewn seams, indeed! Barlennan’s own people knew a thing or two, even without friendly Flyers to tell them. He had patched sails with the stuff before they were ten thousand miles from the island where it had been obtained, and his seams had held even in front of the valley of wind.
Bree
. She was already prepared for the trip, two sailors aboard and her fire hot. The great expanse of shimmering, nearly transparent fabric amused him; like the mate, he was thinking of Reejaaren, though
in this case it was of what the interpreter’s reaction would be if he saw the use to which his material was being put. Not possible to trust sewn seams, indeed! Barlennan’s own people knew a thing or two, even without friendly Flyers to tell them. He had patched sails with the stuff before they were ten thousand miles from the island where it had been obtained, and his seams had held even in front of the valley of wind.
He slipped through the opening in the rail, made sure it was secured behind him, and glanced into the fire pit, which was lined with metal foil from a condenser the Flyers had donated. All the cordage seemed sound and taut; he nodded to the crewmen. One heaped another few sticks on the glowing, flameless fire in the pit; the other released the moorings.
Gently, her forty-foot sphere of fabric bulging with hot air, the new
Bree
lifted from the plateau and drifted riverward on the light breeze.
Bree
lifted from the plateau and drifted riverward on the light breeze.
“That looks all right. Come aboard, Cookie.
Then
reach out and light it. Hars, lift—NOW!”
Then
reach out and light it. Hars, lift—NOW!”
Neither crewman acknowledged the orders verbally; they acted. Karondrasee whipped aboard in normal centipede fashion, scooped a coal from the lifting fire into the long spoon waiting for the purpose beside the furnace, reached through the handiest crenellation in the
Bree’s
mostly solid gunwale, and steadied the burning fragment over the frayed-out end of rope fuse beside the basket. He wasn’t bothered by the form of address; there was need for haste, “Cookie” was shorter than “Flight Engineer,” the duties overlapped heavily, and he was filling both of them. He was, however, annoyed and uneasy for other reasons; he had had to spend many days treating the three lengths of cord with meat juice and, as he saw it, wasting two of them. As cook of the old
Bree’s
crew he was used to seeing the results of his labors vanish, but he disliked seeing them burn up. That was the annoying part.
Bree’s
mostly solid gunwale, and steadied the burning fragment over the frayed-out end of rope fuse beside the basket. He wasn’t bothered by the form of address; there was need for haste, “Cookie” was shorter than “Flight Engineer,” the duties overlapped heavily, and he was filling both of them. He was, however, annoyed and uneasy for other reasons; he had had to spend many days treating the three lengths of cord with meat juice and, as he saw it, wasting two of them. As cook of the old
Bree’s
crew he was used to seeing the results of his labors vanish, but he disliked seeing them burn up. That was the annoying part.
He was uneasy as well, because things might not work this time as they had on the two test burns. The first had not been dangerous, of course; it had simply served to show whether his juice treatment would really turn rope into a useful fuse. That sample was short enough to need only a day or so to make.
The second test should either not have worked at all or produced a simple, harmless fire fountain. By doing the latter it had encouraged everyone. Now the third and potentially most dangerous trial was under way.
The captain seemed unsure, too. He was watching the fuse as closely as Karondrasee was. So was Sherrer.
Hars was not. He was tending his lifting fire and eyeing the tensely swollen bag of the third
Bree
. He knew enough about the present test to want the ship to lift quickly, but if it rose
too
quickly, that would of course be the captain’s fault. Hars was obeying orders.
Bree
. He knew enough about the present test to want the ship to lift quickly, but if it rose
too
quickly, that would of course be the captain’s fault. Hars was obeying orders.
That last thought was also in Barlennan’s mind, and he was watching the delivery of the bit of fire tensely. If he
had
given Hars his order too soon—
had
given Hars his order too soon—
Strictly speaking, he had. He felt the basket’s deck stir under him, and saw the figures on the Flyers’ instrument change. He would have stopped breathing for a moment if he had been a breather. Karondrasee, however, also knew the plan, knew what would have to be done if the fuse failed to light, and certainly didn’t want to get out and push the coal to the right place while the balloon rose without him. As he saw his spoon rising slowly from its target, he tipped it over without waiting for an order.
No one actually saw the coal drop; falling, here, was much too fast for even Mesklinite vision. Cook and captain did see, as the air below it was compressed enough to speed its combustion rate by perhaps an order of magnitude, a sudden flash on the ground half an inch to one side of the fuse end. Before either could comment or even curse, the rope ignited—apparently from radiation, but conceivably from a flying spark, though neither witness could vouch for the latter. They didn’t really care; the wadded rope-end was starting to glow, and that was all that mattered.
“Lighted all right?”
“Yes.” Barlennan didn’t bother to look at the block of polymer from which the question had emerged. “Hars, up as fast as you can. Never mind checking wind. I’d like to keep on this side of the rock to see what happens, but getting to the other may be safer and staying out of reach will be safest of all. I wish someone knew what ‘out of reach’ was, but if we do blow that way
up
will mean a lot more than
sideways
.”
up
will mean a lot more than
sideways
.”
“Right, Captain. Up it is.”
Up it was. Not rapidly; it took a lot of lift to start an upward motion near Mesklin’s south pole, even though once started acceleration tended to be high. That was why more than a thousand feet of fuse had been laid out, and the original test of its burn rate had been made.
“Please keep this eye aimed at the rock, wherever we go.” The block spoke again.
“Right. Sherrer will see to it,” the captain responded, still without looking at the communicator. “We have you blocked up far enough to look over the rail already, and he’ll wedge the back up more if it’s needed.”
“Are you set to turn it too, or will it be easier to rotate the whole balloon?”
“Much easier, though it’ll cost a little lift. It will also make it unnecessary for you to look across the fire. Don’t worry yet, it should take half a day to burn down.”
“I never worry. I just wonder.” Jeanette Parkos, who had taken up Charles Lackland’s communication duties when health had forced him to return to Earth, was rich in comments like that. She had greatly improved Barlennan’s Spacelang in the last few thousand days, and to his surprise and in spite of her alien hearing and vocal limitations she already spoke Stennish much more fluently and clearly than her predecessor ever had.
“I’d appreciate a bit of down tilt whenever Sherrer can provide it,” she now
suggested. “I can’t see up to the horizon, but I can’t see down enough for anything within a couple of miles, either. You’re a lot closer to the rock than that, according to the tracker readout, and I hope you’re closer still when it goes. I sometimes wish this thing had a wider field of view. Of course, I sometimes wish it could zoom closer too.”
suggested. “I can’t see up to the horizon, but I can’t see down enough for anything within a couple of miles, either. You’re a lot closer to the rock than that, according to the tracker readout, and I hope you’re closer still when it goes. I sometimes wish this thing had a wider field of view. Of course, I sometimes wish it could zoom closer too.”
Barlennan was not entirely sure that he shared the hope, though he wanted a good view himself. The Flyer was on Toorey, Mesklin’s inner moon. Her communicator would let her see what went on. The closer to the rock the better for her, but nothing could, presumably, happen to her at that distance. Barlennan lacked both the distance and the seeing equipment, and wasn’t sure which he missed more. The Flyers had assured him that there couldn’t possibly be enough energy in the propellant cell now being tested to lift the rock above it any significant distance, but the Flyers had been wrong before. He remembered vividly the Foucault pendulum fiasco; they had been certain it would give a convincing demonstration, this close to the pole, that Mesklin rather than the sky was doing the spinning. Unfortunately no one, native or alien, had been able to observe the six-inch pendulum’s plane of motion; its period was too short, and like any tuning fork its vibration had been damped out by the air a few seconds after it had been started.
They had all
heard
it, of course.
heard
it, of course.
None of the Flyers seemed to remember that now. Barlennan had not seen an explosive in action since Lackland had used his tank’s gun so many thousands of days before, since the previous cell test had produced only the hoped-for fire fountain; but he had been told in detail how such substances were used elsewhere in the universe. These accounts, and a vivid memory of the effect of the shells Lackland had used, left him wondering why no one seemed to worry about the behavior of
pieces
of the rock.
pieces
of the rock.
Unlike Jeanette, Barlennan was a rather efficient worrier; he had not raised the question with her because he knew the aliens were extremely knowledgeable in spite of their occasional slips, and he still didn’t like to look ignorant. Answers beginning with “Of course” bothered him, especially in front of his crew, most of whom were now fairly fluent in the alien common language.
“Can you tell if it’s still burning, and how far it has to go?” the Flyer queried.
“’Fraid not. The fire doesn’t give any light to speak of by daylight. Too bad there’s no night now—though if there were, we’d have to plan pretty tightly so the fire would reach the cell by daylight and we could see what happens to the rock.”
“It might have helped, but since we couldn’t be sure just when the fuse would run out—well, it’s academic anyway. Even if you could control your landing point well enough you’d probably not have time to get there now, get out, cut the fuse, and start over. We’ll just wait and hope. Good work, Sher; I think I see the rock now, though I can’t be sure it’s the right one. It
looks
like
the pictures we got before, but there are such a lot of them—rocks, I mean—this close to the edge of the plateau that I could be wrong. Too bad that fuse doesn’t smoke.”
looks
like
the pictures we got before, but there are such a lot of them—rocks, I mean—this close to the edge of the plateau that I could be wrong. Too bad that fuse doesn’t smoke.”
Since cooking fires on Mesklin don’t normally smoke either and other kinds of fire are extremely rare, some minutes were used in explaining the last word; but someone remembered the Stennish for “fog” eventually, and there remained an unknowable length of suspense time when interpretation was managed. The earlier tests had given the Flyers some idea of the fuse burning rate, but the two had disagreed by over ten percent. Tension mounted, therefore, as the minutes passed.
Especially for the captain, as
Bree Three
was drifting toward the rock, keeping Sherrer busy and Barlennan worried. Their height
should
be great enough now to be pretty safe provided the aliens hadn’t overlooked anything important, but there was no way to be sure they hadn’t.
Bree Three
was drifting toward the rock, keeping Sherrer busy and Barlennan worried. Their height
should
be great enough now to be pretty safe provided the aliens hadn’t overlooked anything important, but there was no way to be sure they hadn’t.
And, in fact, they had.
There was no flash; the cell salvaged from the rocket’s liftoff equipment had been worked as far under the giant boulder as the latter’s shape, the hardness of the packed ground, and Mesklinite psychology had allowed. A solid object several body lengths high and wide was not something a sane native wanted close to him, much less extending overhead, though the crew had gotten more or less used in the last hundred thousand days or so to the three-hundred-foot cliff edging the plateau. They were no longer, perhaps, wholly sane by their species’ standards.
This cell held a directional charge like the other, its individual macromolecules oriented to send all the exhaust in one direction, and had been aimed slightly downward and away from the rock this time. It therefore started by digging up an enormous cloud of dust. None of the aliens on Toorey was an explosives expert, and none had considered all the likely results of blocking what should have been a free stream of hot gas with several tons of dirt, dirt very solidly packed by Mesklin’s polar gravity.
Essentially, all the unit’s directional qualities were lost as its reaction products hit ground and were scattered randomly. It might as well have been a halfton-mass chemical bomb. The big rock did shatter. Being correct on this point did not please the captain as much as it might have; he watched tensely, knowing that if anything did go wrong there would be no time to give Hars a meaningful order.
None of the large fragments got far, and none could be seen in flight except near the tops of their trajectories, where they produced a hazy, discontinuous roof a foot or more thick and very little farther from the ground for a brief moment. Some of the much smaller stuff reached terminal velocity at other points, both upward and downward, and was visible very briefly to both Flyers and Mesklinites before hitting the surface again. Everything except for really fine dust had settled out before the sound wave reached the balloon.
This was least surprising to the natives. The quick-firing gun which had been used during the near-equatorial part of their earlier odyssey had accustomed them to the sound of explosions, but had given them no clue to the speed of pressure waves in air. Their own voices had a volume astonishing to the Flyers, and they were aware in principle that there was a delay between hooting and hearing, but they had never considered the fact quantitatively.
The real trouble was that the crew of the balloon had, at the recent briefing, been assured that nothing of this sort should happen with a directional charge; it was supposed to take several seconds to burn out, waste much less of its energy in sound, and eject its gases in essentially all one direction as the earlier one had done. That one had been aimed straight up; this had been supposed to dig.
Barlennan added another item to his mental file of Flyer fallibilities. It wasn’t really needed; the creatures had, carefully and often, made it clear that tested scientific beliefs were always tentative though usually more reliable than speculation. One could never, obviously, be sure that all the relevant data had been secured or properly considered.
“Hey! Look at that ripple!”
The alien voice was not that of Jeanette, but the captain understood it well enough. Ripples he knew about. Near the equator they could be watched quite easily, though close to the poles they moved much too quickly to be visible.
He also did not expect them on solid ground, here or anywhere. The word “solid” was a concept which to him did not include waves, large or small. The phenomenon was very brief; it was lucky he had been looking in the right direction. It
was
a ripple, flickering across the ground from where much of the smashed rock still lay, in all directions. The quivering of each boulder it passed was quite visible, rapid as the passage was. He realized that the wave had started and gone under the balloon before he heard anything, but only later realized—when it was pointed out to him—that the disturbance must have traveled faster than sound. He didn’t bother to ask why even then.
was
a ripple, flickering across the ground from where much of the smashed rock still lay, in all directions. The quivering of each boulder it passed was quite visible, rapid as the passage was. He realized that the wave had started and gone under the balloon before he heard anything, but only later realized—when it was pointed out to him—that the disturbance must have traveled faster than sound. He didn’t bother to ask why even then.
The alien watchers on the satellite realized that the ripple must be a seismic wave, but none had a really good look at it just at first; it was out of the viewer field, close to the horizon as much of that was, in much less than a second. High-speed cameras had recorded it all, of course, but time was needed to play these records back, and there had not yet been time.
One of the Mesklinites, favored by a far wider field of vision, called attention to the real results of the blast.
“LOOK!” The word was a bellow in Stennish, which Jeanette didn’t bother to translate to her fellows.
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