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Mathematical Billiards (2024) (structures.uni-heidelberg.de)
seritools 9 hours ago [-]
I assume posted because of the latest 2swap video about it: https://www.youtube.com/watch?v=kL9BTbIGxLg
cadamsdotcom 8 hours ago [-]
Holy crap that was dope. The music, the colors, the pacing.. just an absolute work of art by 2swap - and from the sounds of the end of the video, many many collaborators!

Thanks for sharing!

srean 8 hours ago [-]
They are a fun way to demonstrate LCM and GCD too

https://en.wikipedia.org/wiki/Arithmetic_billiards

With curved reflecting boundaries and parallel rays you get the beauty of catacaustics. A familiar site in a cup of coffee

https://en.wikipedia.org/wiki/Caustic_(mathematics)

tug2024 6 hours ago [-]
[dead]
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