Computing pi with colliding blocks
Counting elastic collisions between blocks reproduces the digits of pi
- Part 1: https://www.youtube.com/watch?v=HEfHFsfGXjs
- Part 2: https://www.youtube.com/watch?v=brU5yLm9DZM
- More: https://www.youtube.com/watch?v=6dTyOl1fmDo