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   Rusty Shackleford (rusty__shackleford@mastodon.social)'s status on Friday, 29-May-2026 15:53:19 JST Rusty Shackleford

   Why colliding blocks compute pi
   Presented by 3Blue1Brown
   March 13, 2025
   18:33

   https://youtube.com/watch?v=6dTyOl1fmDo

   > The physics behind one of the most surprising occurrences of pi
   On Grover's Algorithm: https://youtu.be/RQWpF2Gb-gUInstead

   ---
   At the 3:47 mark: well, you are turning around...
   Stick with me here:

   Think of it as a whole system. Think like a tensor...?
   The state/ trajectory is like a vector & collisions like linear transformations that in the right coordinates become rotations.
   > You get turned around.