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"Human beings hardly ever learn from the experience of others. They learn; when they do, which isn't often, on their own, the hard way."
- Robert Heinlein
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| Levitator Pack | ||
| Handy anti-gravity when you need it. |
| “I’ll be back here as soon as I can, Evelyn,” he said.
Before she could protest his intrusion into that black abyss before them, alone, he had leaped over its brink. He had pressed a button on the levitator pack strapped to his shoulders. The powerful electric batteries there, much lighter in weight than any small atomic-generator unit could ever have been, fed current to a series of complicated coils that fought gravity. Thus, his rate of descent was completely under his control. His flashlight showed him where he was going. Almost two hours later, he returned to the brink of the abyss, lifted there by his levitator. |
| Technovelgy from Gears for Nemesis,
by Raymond Z. Gallun. Published by Startling Stories in 1942 Additional resources -
|
Compare to the gravity web from Whipping Star (1969) by Frank Herbert and to anti-gravity belt from Armageddon: 2419 A.D. (1929) by Philip Frances Nowlan.
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Science Fiction
Timeline
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'So, Ender, we will now begin your education.'
'What strange sensitivity! What an amazing development of science was manifested in every move and act and word of this Robot!'
'Forget the head atop it, the legs below, feet, arms, hands. It compels erasure.'
'That explains how it was so easy for me to remain motionless in midair or to perch on a flagpole in imitation of a giant bird, even in the windy city of Chicago.'
'The thirty-odd miles of The Factory’s circumference...'
'Wandering mines, you took them out on the edge of the desert, set them down and activated them.'
'Once in the very first weeks of the war, before everyone had been evacuated from the surface...'
'For a while your colonists will have to come up to the [orbital] Hospital...'
