The Bizarre Behavior of Rotating Bodies, Explained - YouTube https://youtu.be/1VPfZ_XzisU?t=314
>Spinning objects have strange instabilities known as The Dzhanibekov Effect or Tennis Racket Theorem - this video offers an intuitive explanation.
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>References:
>Prof. Terry Tao's Math Overflow Explanation: https://ve42.co/Tao