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  He wandered glumly into the lab. Karen was there alone, setting up an apparatus for the next attempt at heat treatment. A smock covered her into shapelessness, and her spectacular hair was bound up in a kerchief, but she still looked good. Lancaster, a shy man, was more susceptible to her than he wanted to be.

  "Where's Berg?" he asked.

  "Back on Earth with Jessup," she told him. "Why?"

  "Damn! It holds up the whole business till he returns." Lancaster explained his difficulty.

  Karen laughed. "Oh, that's all right," she said in the low voice he liked to hear. "We've all been cleared."

  "Not officially. I've got to see the papers."

  She glared at him then and stamped her foot. "How stupid can you get without having to be spoon fed?" she snapped. "You've seen how much we think of regulations here. Let's have those equations, Mac."

  "But—blast it, Karen, you don't appreciate the need for security. Berg explained it to me once—how dangerous the rebels are, and how easily they can steal our secrets. And they'll stop at nothing. Do you want another Hemispheric War?"

  She looked oddly at him, and when she spoke it was softly. "Allen, do you really believe that?"

  "Certainly! It's obvious, isn't it? Our country is maintaining the peace of the Solar System—once we drop the reins, all hell will run away from us."

  "What's wrong with setting up a world-wide federation of countries? Most other nations are willing."

  "But that—it's not practical!"

  "How do you know? It's never been tried."

  "Anyway, we can't decide policy. That's just not for us."

  "The United States is a democratic country—remember?"

  "But—" Lancaster looked away. For a moment he stood unspeaking, and she watched him with grave eyes and said nothing. Then, not really knowing why he did it, he lifted a defiant head. "All right! We'll go ahead—and if Berg sends us all to camp, don't blame me."

  "He won't." She laughed and clapped his shoulder. "You know, Allen, there are times when I think you're human after all."

  "Thanks," he grinned wryly. "How about—uh—how about having a—a b-beer with me now? To celebrate."

  "Why, sure."

  They went down to the shop. A cooler of beer was there, its contents being reckoned as among the essential supplies brought from Earth by Jessup. Lancaster uncapped two bottles, and he and Karen sat down on a bench, swinging their legs and looking over the silent, waiting machines. Most of the station personnel were off duty now, in the arbitrary "night."

  He sighed at last. "I like it here."

  "I'm glad you do, Allen."

  "It's a funny place, but I like it. The station and all its wacky inhabitants. They're heterodox as the very devil and would have trouble getting a dog catcher's job back home, but they're all refreshing." Lancaster snapped his fingers. "Say, that's it! That's why you're all out here. The government needs your talents, and you aren't quite trusted, so you're put here out of range of spies. Right?"

  "Do you have to see a rebel with notebook in hand under every bed?" she asked with a hint of weariness. "The First Amendment hasn't been repealed yet, they say. Theoretically we're all entitled to our own opinions."

  "Okay, okay, I won't argue politics. Tell me about some of the people here, will you? They're an odd bunch."

  "I can't tell you much, Allen. That's where Security does apply. Isaacson is a Martian colonist, you've probably guessed that already. Jessup lost his hand in a—a fight with some enemies once. The Dufreres had a son who was killed in the Moroccan incident." Lancaster remembered that that affair had involved American power used to crush a French spy ring centered in North Africa. Sovereignty had been brushed aside. But damn it, you had to preserve the status quo, for your own survival if nothing else. "Hwang had to go into exile when the Chinese government changed hands a few years back. I—"

  "Yes?" he asked when her voice faded out.

  "Oh, I might as well tell you. My husband and I lived in America after our marriage. He was a good biotechnician and had a job with one of the big pharmaceutical companies. Only he—went to camp. Later he died or was shot, I don't know which." Her words were flat.

  "That's a shame," he said inadequately.

  "The funny part of it is, he wasn't engaged in treason at all. He was quite satisfied with things as they were—oh, he talked a little, but so does everybody. I imagine some rival or enemy put the finger on him."

  "Those things happen," said Lancaster. "It's too bad, but they happen."

  "They're bound to occur in a police state," she said. "Sorry. We weren't going to argue politics, were we?"

  "I never said the world was perfect, Karen. Far from it. Only what alternative have we got? Any change is likely to be so dangerous that—well, man can't afford mistakes."

  "No, he can't. But I wonder if he isn't making one right now. Oh, well. Give me another beer."

  They talked on indifferent subjects till Karen said it was her bedtime. Lancaster escorted her to her apartment. She looked at him curiously as he said good night, and then went inside and closed the door. Lancaster had trouble getting to sleep.

  The corrected equations provided an adequate theory of super-dielectricity—a theory with tantalizing hints about still other phenomena—and gave the research team a precise idea of what they wanted in the way of crystal structure. Actually, the substance to be formed was only semi-crystalline, with plastic features as well, all interwoven with a grid of carbon-linked atoms. Now the trick was to produce that stuff. Calculation revealed what elements would be needed, and what spatial arrangement—only how did you get the atoms to assume the required configuration and hook up in the right way?

  Theory would get you only so far, thereafter it was cut and try. Lancaster rolled up his sleeves with the rest and let Karen take over the leadership—she was the best experimenter. He spent some glorious and all but sleepless weeks, greasy, dirty, living in a jungle of haywired apparatus with a restless slide rule. There were plenty of failures, a lot of heartbreak and profanity, an occasional injury—but they kept going, and they got there.

  The day came—or was it the night?—when Karen took a slab of darkly shining substance out of the furnace where it had been heat-aging. Rakkan sawed it into several chunks for testing. It was Lancaster who worked on the electric properties.

  He applied voltage till his generator groaned, and watched in awe as meters climbed and climbed without any sign of stopping. He discharged the accumulated energy in a single blue flare that filled the lab with thunder and ozone. He tested for time lag of an electric signal and wondered wildly if it didn't feel like sleeping on its weary path.

  The reports came in, excited yells from one end of the long, cluttered room to the other, exultant whoops and men pounding each other on the back. This was it! This was the treasure at the rainbow's end.

  The substance and its properties were physically and chemically stable over a temperature range of hundreds of degrees. The breakdown voltage was up in the millions. The insulation resistance was better than the best known to Earth's science.

  The dielectric constant could be varied at will by a simple electric field normal to the applied voltage gradient—a field which could be generated by a couple of dry cells if need be—and ranged from a hundred thousand to about three billion. For all practical purposes, here was the ultimate dielectric.

  "We did it!" Friedrichs slapped Lancaster's back till it felt that the ribs must crack. "We have it!"

  "Whooppee!" yelled Karen.

  Suddenly they had joined hands and were dancing idiotically around the induction furnace. Lancaster clasped Rakkan's talons without caring that it was a Martian. They sang then, sang till heads appeared at the door and the glassware shivered.

  Here we go 'round the mulberry bush, The mulberry bush, the mulberry bush—

  It called for a celebration. The end of a Project meant no more than filing a last report and waiting for the next assignment, but they ran
things differently out here. Somebody broke out a case of Venusian aguacaliente. Somebody else led the way to a storeroom, tossed its contents into the hall, and festooned it with used computer tape. Rakkan forgot his Martian dignity and fiddled for a square dance, with Isaacson doing the calling. The folk from the other end of the station swarmed in till the place overflowed. It was quite a party.

  Hours later, Lancaster was hazily aware of lying stretched on the floor. His head was in Karen's lap and she was stroking his hair. The hardy survivors were following the Dufreres in French drinking songs, which are the best in the known universe. Rakkan's fiddle wove in and out, a lovely accompaniment to voices that were untrained but made rich and alive by triumph.

  "Sur ma tomb' je veux qu'on inscrive: 'Ici-git le roi des buveurs.' Sur ma tomb' je veux qu'on inscrive: 'Ici-git le roi des buveurs. Ici-git, oui, oui, oui, Ici-git, non, non, non—'"

  Lancaster knew that he had never been really happy before.

  Berg showed up a couple of days later, looking worried. Lancaster's vacation time was almost up. When he heard the news, his eyes snapped gleefully and he pumped the physicist's hand. "Good work, boy!"

  "There are things to clean up yet," said Lancaster, "but it's all detail. Anybody can do it."

  "And the material—what do you call it, anyway?"

  Karen grinned. "So far, we've only named it ffuts," she said. "That's 'stuff' spelled backward."

  "Okay, okay. It's easy to manufacture?"

  "Sure. Now that we know how, anybody can make it in his own home—if he's handy at tinkering apparatus together."

  "Fine, fine! Just what was needed. This is the ticket." Berg turned back to Lancaster. "Okay, boy, you can pack now. We blast again in a few hours."

  The physicist shuffled his feet. "What are my chances of getting re-assigned back here?" he asked. "I've liked it immensely. And now that I know about it anyway—"

  "I'll see. I'll see. But remember, this is top secret. You go back to your regular job and don't say a word on this to anyone less than the President—no matter what happens, understand?"

  "Of course," snapped Lancaster, irritated. "I know my duty."

  "Yeah, so you do." Berg sighed. "So you do."

  Leavetaking was tough for all concerned. They had grown fond of the quiet, bashful man—and as for him, he wondered how he'd get along among normal people. These were his sort. Karen wept openly and kissed him good-bye with a fervor that haunted his dreams afterward. Then she stumbled desolately back to her quarters. Even Berg looked glum.

  He regained his cockiness on the trip home, though, and insisted on talking all the way. Lancaster, who wanted to be alone with his thoughts, was annoyed, but you don't insult a Security man.

  "You understand the importance of this whole business, and why it has to be secret?" nagged Berg. "I'm not thinking of the scientific and industrial applications, but the military ones."

  "Oh, sure. You can make lightning throwers if you want to. And you've overcome the fuel problem. With a few ffuts accumulators, charged from any handy power source, you can build fuelless military vehicles, which would simplify your logistics immensely. And some really deadly hand guns could be built—pistols the equivalent of a cannon, almost." Lancaster's voice was dead. "So what?"

  "So plenty! Those are only a few of the applications. If you use your imagination, you can think of dozens more. And the key point is—the ffuts and the essential gadgetry using it are cheap to make in quantity, easy to handle—the perfect weapon for the citizen soldier. Or for the rebel! It isn't enough to decide the outcome of a war all by itself, but it may very well be precisely the extra element which will tip the military balance against the government. And I've already discussed what that means."

  "Yes, I remember. That's your department, not mine. Just let me forget about it."

  "You'd better," said Berg.

  In the month after his return, Lancaster lived much as usual. He was scolded a few times for an increasing absent-mindedness and a lack of enthusiasm on the Project, but that wasn't too serious. He became more of an introvert than ever. Having some difficulty with getting to sleep, he resorted to soporifics and then, in a savage reaction, to stimulants. But outwardly there was little to show the turmoil within him.

  He didn't know what to think. He had always been a loyal citizen—not a fanatic, but loyal—and it wasn't easy for him to question his own basic assumptions. But he had experienced something utterly alien to what he considered normal, and he had found the strangeness more congenial—more human in every way—than the norm. He had breathed a different atmosphere, and it couldn't but seem to him that the air of Earth was tainted. He re-read Kipling's Chant-Pagan with a new understanding, and began to search into neglected philosophies. He studied the news in detail, and his critical eye soon grew jaundiced—did this editorial or that feature story have any semantic content at all, or was it only a tom-tom beat of loaded connotations? The very statements of fact were subject to doubt—they should be checked against other accounts, or better yet against direct observation; but other accounts were forbidden and there was no chance to see for himself.

  He took to reading seditious pamphlets with some care, and listened to a number of underground broadcasts, and tried clumsily to sound out those of his acquaintances whom he suspected of rebellious thoughts. It all had to be done very cautiously, with occasional nightmare moments when he thought he was being spied on; and was it right that a man should be afraid to hear a dissenting opinion?

  He wondered what his son was doing. It occurred to him that modern education existed largely to stultify independent thought.

  At the same time, he was unable to discard the beliefs of his whole life. Sedition was sedition and treason was treason—you couldn't evade that fact. There were no more wars—plenty of minor clashes, but no real wars. There was a stable economy, and nobody lacked for the essentials. The universal state might be a poor solution to the problems of a time of troubles, but it was nevertheless a solution. Change would be unthinkably dangerous.

  Dangerous to whom? To the entrenched powers and their jackals. But the oppressed peoples of Earth had nothing to lose, really, except their lives, and many of them seemed quite willing to sacrifice those. Did the rights of man stop at a full belly, or was there more?

  He tried to take refuge in cynicism. After all, he was well off. He was a successful jackal. But that wouldn't work either. He required a more basic philosophy.

  One thing that held him back was the thought that if he became a rebel, he would be pitted against his friends—not only those of Earth, but that strange joyous crew out in space. He couldn't see fighting against them.

  Then there was the very practical consideration that he hadn't the faintest idea of how to contact the underground even if he wanted to. And he'd make a hell of a poor conspirator.

  He was still in an unhappy and undecided whirlpool when the monitors came for him.

  They knocked on the door at midnight, as was their custom, and he felt such an utter panic that he could barely make it across the apartment to let them in. The four burly men wavered before his eyes, and there was a roaring and a darkness in his head. They arrested him without ceremony on suspicion of treason, which meant that habeas corpus and even the right of trial didn't apply. Two of them escorted him to a car, the other two stayed to search his dwelling.

  At headquarters, he was put in a cell and left to stew for some hours. Then a pair of men in the uniform of the federal police led him to a questioning chamber. He was given a chair and a smiling, soft-voiced man—almost fatherly, with his plump cheeks and white hair—offered him a cigarette and began talking to him.

  "Just relax, Dr. Lancaster. This is pretty routine. If you've nothing to hide then you've nothing to fear. Just tell the truth."

  "Of course." It was a dry whisper.

  "Oh, you're thirsty. So sorry. Alec, get Dr. Lancaster a glass of water, will you, please? And by the way, my name is Harris. Let's call this a fri
endly conference, eh?"

  Lancaster drank avidly. Harris' manner was disarming, and the physicist felt more at ease. This was—well, it was just a mistake. Or maybe a simple spot check. Nothing to fear. He wouldn't be sent to camp—not he. Such things happened to other people, not to Allen Lancaster.

  "You've been immunized against neoscop?" asked Harris.

  "Yes. It's routine for my rank and over, you know. In case we should ever be kidnapped—but why am I telling you this?" Lancaster tried to smile. His face felt stiff.

  "Hm. Yes. Too bad."

  "Of course, I've no objection at all to your using a lie detector on me."

  "Fine, fine." Harris beamed and gestured to one of the expressionless policemen. A table was wheeled forth, bearing the instrument. "I'm glad you're so cooperative, Dr. Lancaster. You've no idea how much trouble it saves me—and you."

  They ran a few harmless calibrating questions. Then Harris said, still smiling, "And now tell me, Dr. Lancaster. Where were you really this summer?"

  Lancaster felt his heart leap into his throat, and knew in a sudden terror that the dials were registering his reaction. "Why—I took my vacation," he stammered. "I was in the Southwest—"

  "Mmmm—the machine doesn't quite agree with you." Harris remained impishly cheerful.

  "But it's true! You can check back and—"

  "There are such things as doubles, you know. Come, come, now, let's not waste the whole night. We both have many other things to do."

  "I—look." Lancaster gulped down his panic and tried to speak calmly. "Suppose I am lying. The machine should tell you that I'm not doing so out of disloyalty. There are things I can't tell anyone without clearance. Like if you asked me about my work on the Project—I can't tell you that. Why don't you check through regular Security channels? There was a man named Berg—at least he called himself that. You'll find that it's all perfectly okay with Security."