User contributions
- 22:10, April 13, 2012 (diff | hist) . . (+381) . . Talk:Perpetual motion machine (→The Uncertainty principle doesn't invalidate Perpetual motion...)
- 21:45, April 13, 2012 (diff | hist) . . (+120) . . User:DVMRoberts
- 03:04, April 13, 2012 (diff | hist) . . (+238) . . Talk:Perpetual motion machine (→The Uncertainty principle doesn't invalidate Perpetual motion...)
- 21:27, April 12, 2012 (diff | hist) . . (+23) . . Talk:Perpetual motion machine (→The Uncertainty principle doesn't invalidate Perpetual motion...)
- 21:26, April 12, 2012 (diff | hist) . . (+153) . . Talk:Perpetual motion machine (→The Uncertainty principle doesn't invalidate Perpetual motion...)
- 21:02, April 12, 2012 (diff | hist) . . (+92) . . Talk:Perpetual motion machine (→The Uncertainty principle doesn't invalidate Perpetual motion...)
- 20:26, April 12, 2012 (diff | hist) . . (+959) . . Talk:Perpetual motion machine (→The Uncertainty principle doesn't invalidate Perpetual motion...: new section)
- 20:04, April 12, 2012 (diff | hist) . . (+459) . . Talk:Theory of relativity (→Logic and the GPS)