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"the [science fiction] writer should be able to convince the reader (and himself) that the wonders he is describing really can come true...and that gets tricky when you take a good, hard look at the world around you."
- Frederik Pohl
 |
| Deep-Radar | ||
| Device to image within large objects, even within mountains. |
| I wish I knew the mass and bulk o fthe machine," the puppeteer continued. "The Ringworld spacecraft are tremendous things. but we need not transport it. If necessary, a hologram taken by deep-radar, and holograms of the mechanism in action, should be enough to convince my subjects. |
| Technovelgy from Ringworld Engineers,
by Larry Niven. Published by Del Rey in 1980 Additional resources -
|
Deep-radar could also be used to find specific objects within mountains.
On the surface of Canyon there were mines, and there was a large, indifferently tended preserve for the surviving varieties of Canyon lichen. But most of the world was barren moonscape. A careful man could land a spacecraft undetected, and could hide it where only a deep-radar search would find it. A careful man had. For these past nineteen years Louis Wu's ship had been waiting, hidden in a cave in the northward-facing cliff of a mountain of low-grade metal ore: a hole hidden within permanent shadow on Canyon's airless surface.
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'...war-balloons, or, as it would be more correct to call them, navigable aerostats.'
'This robot is a creature... It is a manlike being. Therefore, like any other talking, thinking man, he is entitled to a court trial!'
'...small electric motors at the principal joints worked the prosthetic framework by means of steel cables...'
