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Colonial Survey Page 2


  Riki did not look at him. Bordman bit his lips. It was plain that their own fate did not concern them immediately. When one’s home world is doomed, one’s personal safety seems a trivial matter.

  There was silence save for the cackling, confused noises that came out of the speaker on Herndon’s desk.

  “We,” said Bordman, “are right now in the conditions they’ll face a good long time from now.”

  Herndon said dully:

  “We couldn’t live here without supplies from home. Or even without the equipment we brought. But they can’t get supplies from anywhere, and they can’t make such equipment for everybody! They’ll die!” He swallowed. “They—they know it, too. So they warn us to try to save ourselves because they can’t help us any more.”

  There are many reasons why a man can feel shame that he belongs to a race which can do the things that some men do. But sometimes there are reasons to be proud, as well. The home world of this colony was doomed, but it sent a warning to the tiny colony so that they could try to save themselves.

  “I wish we were there to—share what they have to face,” said Riki. Her voice sounded as if her throat hurt. “I don’t want to keep on living if everybody who ever cared about us is going to die!”

  Bordman felt lonely. He could understand that nobody would want to live as the only human alive. Nobody would want to live as a member of the only group of people left alive. And everybody thinks of his home planet as all the world there is. I don’t think that way, thought Bordman. But maybe it’s the way I’d feel about living if Riki were to die. It would be natural to want to share any danger or any disaster she faced.

  “L-look!” he said, stammering a little. “You don’t see! It isn’t a case of your living while they die! If your home world becomes like this, what will this be like? We’re farther from the sun, colder to start with. Do you think we’ll live through anything they can’t take? Food supplies or no, equipment or no, do you think we’ve got a chance? Use your brains!”

  Herndon and Riki stared at him. And then some of the strained look left Riki’s face and body. Herndon blinked, and said slowly:

  “Why, that’s so! We were thought to be taking a terrific risk when we came here. But it’ll be as much worse here. Of course! We are in the same fix they’re in!”

  He straightened a little. Color actually came back into his face. Riki managed to smile. And then Herndon said almost naturally:

  “That makes things look more sensible. We’ve got to fight for our lives too! And we’ve very little chance of saving them. What do we do about it, Bordman?”

  The sun was halfway toward mid-sky, still attended by its sun-dogs, though they were fainter than at the horizon. The sky was darker. The icy mountain peaks reached skyward, serene and utterly aloof from the affairs of men. The city was a fleet of metal hulks, neatly arranged on the valley floor, emptied of the material they had brought for the building of the colony. Not far away, the landing-grid stood. It was a gigantic skeleton of steel, rising from legs of unequal length bedded in the hillsides and reaching two thousand feet toward the stars. Human figures, muffled almost past recognition, moved about a catwalk three-quarters of the way up. There was a tiny glittering below where they moved. The men were using sonic ice-breakers to shatter the frost which formed on the framework at night. Falling shards of crystal made a liquid-like flashing. The landing-grid needed to be cleared every ten days or so. Left uncleared, it would require an increasingly thick coating of ice, and in time it could collapse. But long before that time it would have ceased to operate, and without its operation there could be no space-travel. Rockets for lifting space-ships were impossibly heavy, for practical use. But the landing-grids could lift them out to the unstressed space where Lawlor drives could work, and draw them to ground with cargoes they couldn’t possibly have carried if they’d needed rockets.

  Bordman reached the base of the grid on foot. He was dwarfed by the ground-level upright beams. He went through the cold-lock to the small control house at the grid’s base.

  He nodded to the man on standby as he got out of his muffling garments.

  “Everything all right?” he asked.

  The standby operator shrugged. Bordman was Colonial Survey. It was his function to find fault, to expose inadequacies in the construction and operation of colony facilities. It’s natural for me to be disliked by men whose work I inspect, thought Bordman. If I approve it doesn’t mean anything, and if I protest, it’s bad.

  “I think,” he said, “that there ought to be a change in maximum no-drain voltage. I’d like to check it.”

  The operator shrugged again. He pressed buttons under a phone-plate.

  “Shift to reserve power,” he commanded, when a face appeared in the plate. “Gotta check no-drain juice.”

  “What for?” demanded the face in the plate.

  “You-know-who’s got ideas,” said the grid operator scornfully. “Maybe we’ve been skimping something. Maybe there’s some new specification we didn’t know about. Maybe anything! But shift to reserve power.”

  The face in the screen grumbled. Bordman swallowed. It was not a Survey officer’s privilege to maintain discipline. And anyhow, there was no particular virtue in discipline here and now. He watched the current-demand dial. It stood a little above normal day-drain, which was understandable. The outside temperature was down. There was more power needed to keep the dwellings warm, and there was always a lot of power needed in the mine the colony had been formed to exploit. The mine had to be warmed for the men who worked to develop it.

  The current-demand needle dropped abruptly, hung steady, and dropped again and again as additional parts of the colony’s power uses were switched to reserve. The needle hit bottom. It stayed there.

  Bordman had to walk around the standby man to get at the voltmeter. It was built around standard, old-fashioned vacuum-tubes—standard for generations, now. He hooked it up, warmed the tubes, and tested it. He pushed in the contact-plugs, read the no-drain voltage, licked his lips, and made a note. He reversed the leads, so it would read backward. He took another reading. He drew in his breath very quietly.

  “Now I want the power turned on in sections,” he told the operator. “The mine first, maybe. It doesn’t matter. But I want to get voltage readings at different power take-offs.”

  The operator looked pained. He spoke with unnecessary elaboration to the face in the phone-plate, and grudgingly went through the process by which Bordman measured the successive drops in voltage with power drawn from the ionosphere. The current available from a layer of ionized gas is, in effect, the current-flow through a conductor with marked resistance. It is possible to infer a gas’s ionization from the current it yields.

  The cold-lock door opened. Riki Herndon came in, panting a little.

  “There’s another message from home,” she said sharply. Her voice seemed strained. “They picked up our answering-beam and are giving the information you asked for.”

  “I’ll be along,” said Bordman. “I just got some information here.”

  He got into his cold-garments again, and followed her out of the control-hut.

  “The figures from home aren’t good,” said Riki, when mountains visibly rose on every hand around them. “Ken says they’re much worse than he thought. The rate of decline in the solar constant’s worse than we figured or could believe.”

  “I see,” said Bordman, inadequately.

  “It’s absurd!” said Riki angrily. “There’ve been sunspots and sunspot cycles all along—I learned about them in school. I learned about a four-year and a seven-year cycle, and that there were others. They should have known, they should have calculated in advance! Now they talk about sixty-year cycles coming in with a hundred-and-thirty-year cycle to pile up with all the others…What’s the use of scientists if they don’t do their work right and twenty million people die of it?”

  Bordman did not consider himself a scientist, but he winced. Riki raged as they moved ov
er the slippery ice. Her breath was an intermittent cloud about her shoulders, and there was white frost on the front of her cold-garments. Even so quickly the moisture of her breath congealed.

  He held out his hand quickly as she slipped, once.

  “But they’ll beat it!” said Riki in a sort of angry pride. “They’re starting to build more landing-grids, back home. Hundreds of them! Not for ships to land by, but to draw power from the ionosphere! They figure that one ship-size grid can keep nearly three square miles of ground warm enough to live on. They’ll roof over the streets of cities and pile snow on top for insulation. Then they’ll plant food-crops in the streets and gardens, and do what hydroponic growing they can. They’re afraid they can’t do it fast enough to save everybody, but they’ll try!”

  Bordman clenched his hands inside their bulky mittens.

  “Well?” demanded Riki. “Won’t that do the trick?”

  “No.”

  “Why not?”

  “I just took readings on the grid, here. The voltage and the conductivity of the layer we draw power from, both depend on ionization. When the intensity of sunlight drops, the voltage drops and the conductivity drops too. It’s harder for less power to flow to the area the grid can tap—and the voltage pressure is lower to drive it.”

  “Don’t say any more!” cried Riki. “Not another word!”

  Bordman was silent. They went down the last small slope, and passed the opening of the mine, a great drift which bored straight into the mountain. Looking into it, they saw the twin rows of brilliant roof-lights going toward the heart of the stony monster.

  They had almost reached the village when Riki said in a stifled voice:

  “How bad is it?”

  “Very,” admitted Bordman. “We have here the conditions the home planet will have in two hundred days. Originally we could draw less than a fifth the power they count on from a grid on Leni II.”

  Riki ground her teeth.

  “Go on!” she said.

  “Ionization here is down ten per cent,” said Bordman. “That means the voltage is down, somewhat more. A great deal more. And the resistance of the layer is greater. Very much greater. When they need power most, on the home planet, they won’t draw more from a grid than we do now. It won’t be enough.”

  They reached the village. There were steps to the cold-lock of Herndon’s office-hull. They were ice-free, because like the village walk-ways they were warmed to keep frost from depositing on them. Bordman made a mental note.

  In the cold-lock, the warm air pouring in was almost stifling. Riki said defiantly:

  “You might as well tell me now!”

  “We usually can draw one-fifth as much power, here, as the same sized grid would yield on your home world,” he said. “We are drawing—call it sixty per cent of normal. A shade over one-tenth of what they expect to draw when the real cold hits them. Their estimates are nine times too high. One grid won’t warm three square miles of city. About a third of one is closer. But—”

  “That won’t be the worst,” said Riki in a choked voice. “Is that right? How much good will a grid do?”

  Bordman did not answer.

  The inner cold-lock door opened. Herndon sat at his desk, even paler than before, listening to the hash of noises that came out of the speaker. He tapped on the desk-top, quite unconscious of the action. He looked almost desperately at Bordman.

  “Did she tell you?” he asked in a numb voice. “They hope to save maybe half the population. All the children anyhow…”

  “They won’t,” said Riki bitterly.

  “Better go transcribe the new stuff that’s come in,” said her brother. “We might as well know what it says.”

  Riki went out of the office. Bordman shed his cold-garments. He said:

  “The rest of the colony doesn’t know what’s up yet. The operator at the grid didn’t certainly. But they have to know.”

  “Well post the messages on the bulletin board,” said Herndon. “I wish I could keep it from them. It’s not fun to live with. I—might as well not tell them just yet.”

  “To the contrary,” insisted Bordman. “They’ve got to know right away! You’re going to issue orders and they’ll need to understand how urgent they are.”

  Herndon looked hopeless.

  “What’s the good of doing anything?” When Bordman frowned, he added: “Seriously, is there any use? You’re all right. A Survey Ship’s due to take you away. It’s not coming because they know there’s something wrong, but because your job should be finished about now. But it can’t do any good! It would be insane for it to land at home. It couldn’t carry away more than a few dozen refugees, and there are twenty million people who’re going to die. It might offer to take some of us, but I don’t think many of us would go. I wouldn’t. I don’t think Riki would.”

  “I don’t see—”

  “What we’ve got right here,” said Herndon, “is what they’re going to have back home. And worse. But there’s no chance for us to keep alive here! You are the one who pointed it out. I’ve been figuring, and the way the solar-constant curve is going—I plotted it from the figures they gave us—it couldn’t possibly level out until the oxygen, anyhow, is frozen out of the atmosphere here. We aren’t equipped to stand anything like that, and we can’t get equipped. There isn’t equipment to let us stand it indefinitely! Anyhow, the maximum cold conditions will last two thousand days back home—six Earth-years. And there’ll be storage of cold in frozen oceans and piled-up glaciers. It’ll be twenty years before home will be back to normal in temperature, and the same here. Is there any point in trying to live—just barely to survive—for twenty years before there’ll be a habitable planet to go back to?”

  Bordman said irritably:

  “Don’t be a fool! Doesn’t it occur to you that this planet is a perfect experiment station, two hundred days ahead of the home world, where ways to beat the whole business can be tried? If we can beat it here, they can beat it there!”

  Herndon said:

  “Can you name one thing to try here?”

  “Yes,” snapped Bordman. “I want the walk-heaters and the step-heaters outside turned off. They use power to keep walkways clear of frost and door-steps not slippery. I want to save that heat!”

  Herndon said, “And when you’ve saved it, what will you do with it?”

  “Put it underground to be used as needed!” Bordman said. “Store it in the mine! I want to put every heating-device we can contrive to work in the mine, to heat the rock. I want to draw every watt the grid will yield and warm up the inside of the mountain while we can draw power to do it with. I want the deepest part of the mine too hot to enter! We’ll lose a lot of heat, of course. It’s not like storing electric power. But we can store heat now, and the more we store the more will be left when we need it!”

  Herndon thought. Presently he stirred slightly.

  “Do you know, that is an idea…” He looked up. “Back home there was a shale-oil deposit up near the ice-caps. It wasn’t economical to mine it. So they put heaters down in bore-holes and heated up the whole shale deposit. Drill-holes let out the hot oil vapors to be condensed. They got out every bit of oil without disturbing the shale. And then the shale stayed warm for years! Farmers bulldozed soil over it and raised crops with glaciers all around them. That could be done again. They could be storing up heat back home!”

  Then he drooped.

  “But they can’t spare power to warm up the ground under cities. They need all the power they’ve got to build roofs…And it takes time to build grids.”

  Bordman snapped:

  “Yes, if they’re building regulation ones. By the time they were finished they’d be useless. The ionization here is dropping already. But they don’t need to build grids that will be useless later. They can weave cables together on the ground and hang them in the air by helicopters! They wouldn’t hold up a landing ship for an instant, but they’ll draw power right away. They’ll even power the helis
that hold them up! Of course, they’ll have defects; they’ll have to come down in high winds, for example. They won’t be too dependable. But they can put heat in the ground to come out under roofs, to grow food by, to save lives by. What’s the matter with them?”

  Herndon stirred again. His eyes ceased to be dull and lifeless.

  “I’ll give the orders for turning off the sidewalks. And I’ll send what you just said back home. They should like it.”

  He looked respectfully at Bordman.

  “I guess you know what I’m thinking right now,” he said.

  Bordman flushed. He felt that Herndon was unduly impressed. Herndon didn’t see that the device wouldn’t solve anything. It would merely postpone the effects of a disaster. It could not possibly prevent them.

  “It ought to be done,” he said. “There’ll be other things to be done, too.”

  “Then when you tell them to me,” said Herndon, “they’ll get done! I’ll have Riki put this into that pulse-code you explained to us and she’ll get it off right away.”

  He stood up.

  “I didn’t explain the code to her!” insisted Bordman. “She was already translating it when you gave her my suggestion!”

  “All right,” said Herndon. “I’ll get this sent back at once!”

  He hurried out of the office. This, thought Bordman irritably, is how reputations are made, I suppose. I’m getting one. But his own reaction was extremely inappropriate. If the people of Lani II did suspend helicopter-supported grids of wire in the atmosphere, they could warm masses of underground rock and stone and earth. They could establish what were practically reservoirs of life-giving heat under their cities. They could contrive that the warmth from below would rise only as it was needed. But—

  Two hundred days to conditions corresponding to the colony-planet. Then two thousand days of minimum-heat conditions. Then very, very slow return to normal temperature, long after the sun was back to its previous brilliance. They couldn’t store enough heat for so long. It couldn’t be done. It was ironic that in the freezing of ice and the making of glaciers the planet itself could store cold.