User contributions
- 11:18, 26 August 2017 (diff | hist) . . (+64) . . 1708: Dehydration (→Explanation)
- 11:16, 26 August 2017 (diff | hist) . . (+183) . . 1881: Drone Training
- 07:55, 3 June 2017 (diff | hist) . . (+411) . . 1639: To Taste (→Explanation)
- 04:07, 28 January 2017 (diff | hist) . . (+10) . . 1791: Telescopes: Refractor vs Reflector (→The real problems with refractor telescopes)