User contributions
- 23:15, 29 April 2024 (diff | hist) . . (-217) . . Talk:2926: Doppler Effect (→Still unexplained: What is the "button" that sometimes makes the noise go "pew pew"? Gun triggers?)
- 23:15, 29 April 2024 (diff | hist) . . (+217) . . Talk:2926: Doppler Effect (→Still unexplained: What is the "button" that sometimes makes the noise go "pew pew"? Gun triggers?: new section)