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"Cyberspace is a metaphor that allows us to grasp this place where since about the time of the second world war we've increasingly done so many of the things that we think of as civilization."
- William Gibson
 |
| Weightlessness (Kepler) | ||
| The notion that there could be a location with zero effective gravity. |
If Somnium is the first science fiction book (which many people argue is true), then this is probably the first reference to the idea of zero gravity, or weightlessness.
| "...for, as magnetic forces of the earth and moon both attract the body and hold it suspended, the effect is as if neither of them were attracting it..." |
| From Somnium (The Dream),
by Johannes Kepler. Published by Not Known in 1634 Additional resources -
|
Note that the word "gravity" is not used to describe the attraction between masses; Isaac Newton did not describe universal gravitation until 1687.
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Gerry was dubious. She had seen abortive attempts at paralysis rays before.
Let your fingers - uh - your robot do the walking. And hopping.
