Uploaded March 2023 | Updated September 2026, 2 weeks ago

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Trivial iteration from the video youtube.com/watch?v=YoGmq0IdSxk&lc=UgyLu3bDr2kPpbWzDRN4AaABAg

I tried to "trick" the chaotic system by starting with a couple of hundreds of tightly spaced balls close to the circle boundary, yet they spread out over the whole half disc domain after a short amount of time.

Music by @gpcbass. Song used previously here, and called Top Quark Blues.

Visuals in Python FFmpeg.