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The Impossible Voyage Home
by: Dick Francis
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Description:
Excerpt
"Space life expectancy has been increased to twenty-five months and six days," said Marlowe, the training director. "That's a gain of a full month."
Millions of miles from Earth, Ethan also looked discontentedly proud. "A mighty healthy-looking boy," he declared.
Demarest bent a paperweight ship until it snapped. "It's something. You're gaining on the heredity block. What's the chief factor?"
"Anti-radiation clothing. We just can't make them effective enough."
Across space, on distant Mars, Amantha reached for the picture. "How can you tell he ain't sickly? You can't see without glasses."
Ethan reared up. "Jimmy's boy, ain't he? Our kids were always healthy, 'specially the youngest. Stands to reason their kids will be better."
"Now you're thinking with your forgettery. They were all sick, one time or another. It was me who took care of them, though. You always could find ways of getting out of it." Amantha touched the chair switch.
The planets whirled around the Sun. Earth crept ahead of Mars, Venus gained on Earth. The flow of ships slackened or spurted forth anew, according to what destination could be reached at the moment:
"A month helps," said Demarest. "But where does it end? You can't enclose a man completely, and even if you do, there still is the air he breathes and food he eats. Radiation in space contaminates everything the body needs. And part of the radioactivity finds its way to the reproductive system."
Marlowe didn't need to glance at the charts; the curve was beginning to flatten. Mathematically, it was determinable when it wouldn't rise at all. According to analysis, Man someday might be able to endure the radiation encountered in space as long as three years, if exposure times were spaced at intervals.
But that was in the future.
"There's a lot you could do," he told Demarest. "Shield the atomics."
"Working on it," commented Demarest. "But every ounce we add cuts down on the payload. The best way is to get the ship from one place to another faster. It's time in space that hurts. Less exposure time, more trips before the crew has to retire. It adds up to the same thing."
On Mars, Amantha fondled the picture. "Pretty. But it ain't real." She laid it aside.
Ethan squinted at it. "I could make you think it was. Get it enlarged, solidified. Have them make it soft, big as a baby. You could hold it in your lap."
"Outgrew playthings years ago." Amantha adjusted the chair switch, but the rocking motion was no comfort.
Ethan turned the picture over, face down. "Nope. Hate to back you up, 'Mantha, but it ain't the same. There's nothing like a baby, wettin' and squallin' and smilin', stubborn when it oughtn't to be and sweet and gentle when you don't expect it. Robo-dolls don't fool anybody who's ever held the real thing."
In the interval, Earth had drawn ahead. The gap between the two planets was widening.
"That's another fallacy," objected the training director. "The body can stand just so much acceleration. We're near the limit. What good are faster ships?"
"That's your problem," said Demarest. "Get me tougher crewmen. Young, afraid of nothing, able to take it."
It always ended here—younger, tougher, the finest the race produced—and still not good enough....