User contributions
- 02:59, 21 August 2013 (diff | hist) . . (+82) . . 332: Gyroscopes (→Explanation)
- 02:46, 21 August 2013 (diff | hist) . . (+24) . . 298: Tesla Coil (→Explanation)
- 02:45, 21 August 2013 (diff | hist) . . (+238) . . 298: Tesla Coil (→Explanation)