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You have some great videos in that playlist, thanks for sharing. I do however hate you for not explaining how this works: https://www.youtube.com/watch?list=UU5gByMec2Bi49LEfJVrZTyw&.... I feel like a complete idiot! :)


The two rings are attached in one place and the whole thing is rotated. Think about it as putting a "<" shape on a base and rotating it.


I knew that's what it was, but then I tried to see the "two precessing hula hoops" and was like "cannot unsee..."

Wasn't something like this used to restrain Zod, Ursa, and Non in Superman?


It looks to me like its a static sculpture on a rotating base.




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