User contributions
- 22:16, 15 April 2017 (diff | hist) . . (+233) . . Talk:1807: Listening
- 00:09, 7 April 2017 (diff | hist) . . (+3) . . 1820: Security Advice (→Explanation)
- 10:31, 1 April 2017 (diff | hist) . . (+133) . . Talk:1818: Rayleigh Scattering
- 23:18, 17 February 2017 (diff | hist) . . (+116) . . Talk:1800: Chess Notation
- 19:10, 16 November 2016 (diff | hist) . . (+11) . . 1028: Communication (→Explanation)