User contributions
- 03:07, 19 January 2013 (diff | hist) . . (+789) . . Talk:815: Mu
- 18:36, 18 January 2013 (diff | hist) . . (-65) . . Talk:812: Glass (I see...)
- 18:30, 18 January 2013 (diff | hist) . . (+493) . . N Talk:812: Glass (video-disclaimer)
- 18:24, 18 January 2013 (diff | hist) . . (+193) . . 812: Glass (→Explanation: Fix typos, better use of paragraph-tags and add an example of the effect that water changes resonance frequency)