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"It is change ... that is the dominant factor in society today... the world as it will be. This means that ... every man must take on a science fictional way of thinking.""
- Isaac Asimov
 |
| Repellor Anti-Gravity Rays | ||
| Device provides support for planet-side air travel. |
| The ship was about the same shape as the great dirigibles of the 20th
Century that I had seen, but without the suspended control car,
engines, propellers; rudders or elevating planes. As it loomed rapidly
nearer, I saw that it was wider and somewhat flatter than I had
supposed.
Now I could see the repellor rays that held the ship aloft, like searchlight beams faintly visible in the bright daylight (and still faintly visible to the human eye at night). Actually, I had been informed by my instructors, there were two rays. The visible one was generated by the ship's apparatus, and directed toward the ground as a beam of "carrier" impulses. The true repellor ray, the complement of the other in one sense, induced by the action of the "carrier" reacted in a concentrating upward direction from the mass of the earth. It became successively electronic, atomic and finally molecular, in its nature, according to various ratios of distance between earth mass and "carrier" source, until, in the last analysis, the ship itself actually was supported on an upward rushing column of air, much like a ball continuously supported on a fountain jet. |
| Technovelgy from Armageddon: 2419 A.D.,
by Philip Frances Nowlan. Published by Amazing Stories in 1928 Additional resources -
|
Compare to the notion of an anti-gravity substance like apergy from Across the Zodiac (1880), cavorite from The First Men in the Moon (1901) and the bolt anti-grav from Sacred Martian Pig (1949) by Margaret Saint Clair.
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'Power could be compressed thus into an inch-square cube of what looked like blue-white ice'
'It's so light that you can set it up in five minutes by yourself...'
'Heavy penalties... were to be applied to any one found driving manually-controlled machines.'
'Buy a Little Dingbat... electropen, wrist watch, pocketphone, pocket radio, billfold ... all in one.'
'... an elastic, tinted material that had all the feel and appearance of human flesh and epidermis.'
'It is remarkable that the long leverages of their machines are in most cases actuated by a sort of sham musculature...'
