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antigravity (941 words) |
 | Antigravity, gravity modification, and gravitational anomalies are subjects that have been considered both within and beyond the confines of conventional science. |
| In both Newton's law of gravitation and the general theory of relativity (Einstein's theory of gravitation), a requirement for antigravity to be possible is the existence of negative mass. |
| The theme of antigravity appeared early in science fiction, a typical 19th century example being "apergy" – an antigravity principle used to propel a spacecraft from Earth to Mars in Percy Greg's Across the Zodiac (1880) and borrowed for the same purpose by John Jacob Astor in A Journey in Other Worlds (1894). |
| Gravity Control .org - Antigravity (222 words) |
| Antigravity and gravity control are considered to be the same thing, but there is a difference. |
| John Searle accomplished antigravity in the 70's and says that BBC cameras were there to film the event. |
| The late Thomas Townsend Brown performed antigravity experiments in the forties till the eighties and it is said he died of ozone poisoning. |
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