User contributions
- 12:23, 1 August 2023 (diff | hist) . . (+166) . . 2809: Moon (→Explanation)
- 11:38, 9 July 2023 (diff | hist) . . (-5) . . Talk:2790: Heat Pump (...generalise, to prevent one obvious incorrect assumption.)
- 10:28, 21 June 2023 (diff | hist) . . (+90) . . Talk:1277: Ayn Random