User contributions
- 05:45, 20 February 2015 (diff | hist) . . (+1,052) . . 1489: Fundamental Forces (Explanation and begin transcript. Written on tablet.)
- 12:45, 9 December 2013 (diff | hist) . . (+43) . . 1301: File Extensions
- 08:28, 6 November 2013 (diff | hist) . . (0) . . 1287: Puzzle (→Explanation)
- 08:28, 6 November 2013 (diff | hist) . . (+317) . . Talk:1287: Puzzle
- 08:19, 6 November 2013 (diff | hist) . . (+29) . . 1287: Puzzle (→Explanation)
- 08:18, 6 November 2013 (diff | hist) . . (+56) . . 1287: Puzzle (→Explanation)
- 14:11, 12 October 2013 (diff | hist) . . (+259) . . Talk:1276: Angular Size
- 14:02, 12 October 2013 (diff | hist) . . (+420) . . 1276: Angular Size (→Explanation)