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Topic: Animated ball on penrose triangle
Message: Posted by: Anatole (Oct 4, 2015 06:01PM)
I think both Roger Penrose and M.C. Escher would have liked this animation:
https://www.youtube.com/watch?v=Bzlv0XU3Lwc
(There are a couple other animations of a ball rolling on a Penrose Triangle on the web if you search for them.)

----- Amado "Sonny" arvaez