This is pure gold, especially the rippld tank, 1d quantum mechanics, and the circuit simulator. I cited it as one of the remarkable steps in the history of edu

This is pure gold, especially the rippld tank, 1d quantum mechanics, and the circuit simulator. I cited it as one of the remarkable steps in the history of educational simulations, https://doi.org/10.1117/1.OE.61.8.081809 https://doi.org/10.1117/1.OE.61.8.081809, figure 2 (a broader overview in https://p.migdal.pl/blog/2024/05/science-games-explorable-explanations/ https://p.migdal.pl/blog/2024/05/science-games-explorable-ex...)