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| | Dean drive - Wikipedia, the free encyclopedia |
 | | As of 1999, Dean's son, Norma Robert "Bob" Dean, appeared at one anti-gravity conference by invitation of a group of patent holders who had created differing versions of the reactionless drives, and refered to NL Dean in their patents, He gave a presentation about his father's device. |
 | | Campbell and Dean claimed that Newton's laws of motion were only an approximation, and that Dean had discovered a fourth law of motion, a nonlinear correction to one of Newton's laws, which, if correct, would have made the Dean drive feasible. |
 | | Dean fought the government for return of his device, when he discovered outside government contrators had started using his device in the public domain, without his consent He was repeatedly threatend, as well as warned by the Navy that he would "dissapear" should he continue the fight. |
| en.wikipedia.org /wiki/Dean_drive (1251 words) |
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