User contributions
- 23:44, 9 March 2022 (diff | hist) . . (+28) . . Talk:2591: Qua
- 03:55, 9 March 2022 (diff | hist) . . (+2) . . 162: Angular Momentum (→Transcript)
- 00:01, 5 March 2022 (diff | hist) . . (+19) . . 2587: For the Sake of Simplicity (→Explanation: Insert 'citation needed' tag where a citation obviously is needed)