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ourselves to the life of a hermit. We've got to keep our perspective with this thing, and not get anti-social about it."

"A hermit's life would get kinda boring, anyway," Smitty conceded. "But I can always go back to crop-dusting and make a few dollars now and then. What'll you do, though? Can you get a job?"

"I know electronics!" Morrow smiled grimly. "I suppose I could open up a little radio repair shop somewhere."

"You? A radio repair shop? The first real genius this country's had for—" Smitty broke off, staring at him.

Morrow stared back, scowling. "Genius?" he echoed. "What in hell ever gave you that idea?"

Smitty grinned faintly as he lighted a cigarette. "Guess I'm just carried away by your two heads," he said, spewing smoke.

It was a full month's work just to purchase the shop machinery, the building materials to patch up the old sawmill, the materials for the ship's construction, and to truck it out and install it in the building. They worked from daylight 'till dark, then retired to their shack and spent most of the night going over the blue-prints for the ship. Gradually, it took shape and form on paper.

Masses of cloud were banked against the surrounding mountains, covering the sky with a solid, gray mass that shook loose a thin drizzle of rain, just enough to dampen the ground, the morning they conducted the first weight-test.

They used the gravity-control mechanism—they called it a gravitor by then—which Morrow had built in Westerton. The test was conducted outside, with a sling suspended under the gravitor to support a pile of sandbags, with a rope hanging from its bottom to a small hand-winch on the ground.

The gravitor rose up into the drizzle with its load, lifting three hundred and sixty-nine pounds to a height of forty feet. It floated there, the rope dangling loosely from it. There was an odd three-foot S-curve in the rope just below the sandbagged sling.

Smitty stared up at it, squinting against the misty rain. "It just floats there!" he exclaimed huskily. "On four flashlight batteries—"

"The wind's drifting it toward the trees," Morrow said in a tight voice. "Better take up the slack."

Smitty stooped and wound up the little hand-winch. Then he straightened and stared upward again. "On four batteries," he repeated in his husky murmur. "Look at that snake-twist in the rope!"

"That part of it's inside the gravitor's field," Morrow explained quietly. "As for the batteries, I think it's because the mechanism is shielded from the gravity and magnetic influence of the earth. It works entirely within its own magnetic field. Its electronic conductivity is more efficient, so we're getting far more power from those flashlight batteries."

"But is there that much power in a flashlight battery?"

"Don't forget those batteries are also inside the gravitor field," Morrow reminded him. "Anyway, I'm not even sure that's the answer. The scientific implications of this extend to such matters as the dimensions and volume of the Universe, and the speed of light. Maybe the Universe isn't expanding and maybe light 'particles' or 'congealed energy' or whatever they are don't slow down. Maybe they curve through a kaliedoscope of gravitational forces generated by star-clusters, and the 'expansion' is a matter of refraction in our particular sector of space—"

"Do you have these attacks often?"

Morrow looked down to find Smitty watching him with a mocking leer.

"C'mon, professor," Smitty chided him. "Let's crank this thing down and get in out of the rain."

"Ummm? Oh—all right!"

Crude wooden jigs were sawed out and nailed together. Plastic tubing was heated and curled into the jigs and, when cooled, was taken out in the precise shapes of formers, spars, and bulk-head frames. These were welded onto thick plastic rods and the rough outline of the ship began to appear. More rods were added, strengthening the framework, and the ship began to assume its final shape in a spidery basket-work of glistening, transparent plastic.

The covering was torn off a large roll of celatex film, and long strips of it were spread through the inside of the framework and cut to size. The strips were dipped in a softening bath, then stretched across the inside of the framework, pressed against it and, drying, molding to it to form a tough, rigid inner skin. Fistfuls of plastic insulating material was dipped and sponged into the openings in the framework, molding to it and to the inner skin. Then more strips of celatex were cut to size over the outside of the framework, dipped, and stretched over it to form a strong outer skin. The result was a large, sleek hull, with a shimmering basket-weave framework and frosty-white, fuzzy insulation showing through its transparent skin.

Gravitors for the lift units and the propulsion unit were built, tested, and installed. A cargo deck was built into the belly of the ship, accessable through large side doors. Power circuits and control systems were installed. The forward, control pit, and aft compartment decks and bulk-heads were welded into place. Then they let their imaginations run riot on the interior decoration, fittings, and furnishings which were easily constructed of plastic framework with celatex stretched and pressed firmly over it to form the desired curves, bulges, and flowing lines. Then they went over it with sand-paper, paint-brushes, and dark blue and mirror-chrome plastic lacquer.

The interior was, to put it mildly, luxurious and ultra-modern. Smooth, flowing instrument panels and storage lockers molded into the walls, foam-rubber chairs growing out of the decks, bunk-seats sunk into the bulk-heads, and transparent-topped tables sprouting their chrome frames from the fore and aft lounge decks. They finished it up with a small lavatory and an electric hot-plate in the bulk-head cubicles just off the forward lounge.

Finally, transparent plexiglass was fitted into the long port-hole slots along the hull, and a large plexiglass dome was mounted over the control pit above the smoothly tapered nose. Then they papered the plexiglass and manned a spray-gun, giving the entire outer skin a thorough coat of shimmering black lacquer.

The complete construction took all of six weeks working from dawn to well after sunset. When it was finished, Smitty took the truck and went into Stockton to purchase the three automobile batteries which would be used to power the ship.

That night, Morrow sat at his drafting table scrawling rough diagrams and pencilling in mathematical notations around them and on the back of the papers. His table lamp threw a bright pool of light in the corner of the dark, shadowy workshop. The night was completely silent, save for the distant sighing of the wind through the pines outside, the faint scratching sound of his pencil, and the clicking and whispering of the slide-rule in his hands when he paused to compute some factor in the diagrams.

Building and weight-testing the gravitors that went into the ship had led to speculation of other possible uses of the mechanisms. The possibilities were many, and Morrow spent his spare-time working them out. His ability, however, was limited.

First, there was the electronic efficiency of the gravitors, the increased power gained from battery storage-cells, the decreased loss of power within the circuits and mechanism. If electrons worked more efficiently in a gravitor's field, then mechanical and chemical power might work just as well. It appeared, on paper, that a small, one-horsepower gasoline engine might deliver the equivalent of a hundred horsepower or more in electrical energy, if it were incorporated into a gravitor field. Morrow worked this "gravitor engine" out the best he could, cursing his lack of knowledge in mechanical engineering. It might work, but he didn't have the knowledge to tell exactly how it could be made. It wasn't his line.

Then, there was the possibility of using the increased gravitor-field efficiency in radio communications. This was right up his alley, but the implications went so far and so deep that only a thoroughly experienced and trained scientist could trace all of them. He hadn't been an engineer long enough to have acquired that much training and experience; he wasn't a renowned scientist in the field. He couldn't always be sure where he was right or wrong in his computations. This was pure research; no book had ever been written for it. He couldn't look up all the answers.

But it appeared that a small radio set would have the power to reach anywhere in the Solar System, not to mention the extensive refinements of any television and/or radar set-up.

The possible refinements of chemical catalysts and electro-chemical processes were extensive, too. Staring at his diagrammatical results, Morrow wondered if mechanisms couldn't be perfected to measure the taste of foodstuffs as the taste-buds in the human mouth did, to measure the smell of odors as the human nose did, to convert carbon-dioxide into oxygen as plants did—even mechanisms which would react selectively to the electrical impulses generated by the cells of the human brain!

But he wasn't a chemist. He could only guess at the possibilities.

Finally, there was the possibility of applying the gravitors directly to the problem of transporting the human body by air. Part of this, he could answer: a gravitor strapped to a man's back would more than replace the conventional parachute for emergency bail-outs. The gravitor could be hooked into alternate power-circuits with alternate field-transmission coils, so if it failed to work on one setting the wearer could switch it to another, the equivalent of wearing a second parachute in case the first failed to open. And unlike a parachute, the wearer would have complete control over his rate of fall: he could descend gently to the ground or, if he wished, he could stop and hover in the air or even reverse his descent and rise upward.

That was part of it. Morrow had discussed it with Smitty and they'd decided to incorporate it into their project. In addition to having the ship look like something from outer space, there was also the problem of having to make a forced-landing somewhere. They might be seen on the ground, repairing their ship. The gravitors could be built into a tank carried on their backs, and fastened to a special harness costume complete with transparent helmet fitting over their heads. The helmets would protect their faces from the wind in a bail-out. Also, their appearance would be altered just enough to make them seem to be visitors from another planet, beings who did not breathe Earth's atmosphere.

But that still didn't give the human body a means of transportation by air. A small, portable propulsion unit was needed for that, and Morrow wasn't at all sure he could design such a unit. He was not a jet engineer.

He wasn't too sure about the large propulsion unit in the tail of the ship, either. Basically, it was a ram-jet unit. It ought to work, but it might not work too well....

Morrow tossed down his pencil and slide-rule, sighing, then pressed his hands over his aching eyes and rose from the table. It's too much for one man! he thought bitterly, and dropped his hands to his sides.

He stood gazing into the deep gloom of the workshop, at the huge, black hull gleaming softly in the darkness. Fifty-five feet long and fifteen feet high, the ship rested patiently on the narrow runners that supported its sleek belly. Twenty-five hundred dollars and six weeks of cautious, painstaking work rolled into one beautiful, fantastic-looking black monster with curved fins around the cluster of "rocket" tubes in its tail and streamlined, submarine-type diving vanes near its nose. Those vanes had been Smitty's contribution, operating on a cross-control system to bank the ship and lift it around a turn as the aileron-elevators did on flying wing aircraft. No other control surfaces were installed; the long, sleek rudder fin was immovable.

The night wind soughed through the forest on some nearby mountain slope. The ship stood black and silent, gleaming softly in the deep gloom of the workshop. It was a weirdly beautiful thing, like some creature of the Unknown.

Straight out of the science-fiction magazines! Morrow mused, grinning. If Gwyn could only see it—

A vision of her rose into his thoughts: Gwyn, lying on her stomach, the tight roll of her swimming trunks about her thighs, the smooth, tanned skin of her slender body, the firm swell of a breast beneath her armpit, the sunlight glints on her brown hair and the cool, calm wariness in her eyes....

Morrow grimaced wryly. Gwyn again! He'd been thinking entirely too often of her, and too much, since he'd left Westerton. He kept telling himself she was just another of the sacrifices he'd been forced to make, another part of his life he'd had to deny himself—

Still, when he slept he dreamed.

He was just too damned young, he told himself harshly. The demands of his body were strongest at his age; it wouldn't let him alone. His instinct to mate, to reproduce his kind, demanded satisfaction. There was danger in that. If he fought it, denied it, kept it bottled up inside him, it could spread

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