User contributions
- 06:00, 29 April 2024 (diff | hist) . . (+100) . . 2924: Pendulum Types (interactive simulation of the inverted pendulum)
- 05:46, 29 April 2024 (diff | hist) . . (+3) . . 2925: Earth Formation Site (historical markers in other countries are usually just a table, without the upper part)
- 09:47, 8 February 2023 (diff | hist) . . (+139) . . 2734: Electron Color (+amber)
- 02:57, 20 December 2022 (diff | hist) . . (+39) . . 2712: Gravity (this feature doesn't work on Firefox)