Video: White ingenuity: Man invents upside down pendulum & double pendulum with chaotic motion

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[This is so cool. When the video began, I thought, this is going to be impossible … How the heck is he going to do this? Check it out … Whites at work … he even had to get his girlfriend in to do some of this stuff. His double pendulum is pretty wild too. But I really like this inverted pendulum. See the power of the White Man's magic … SCIENCE!!! Jan]

https://www.youtube.com/watch?v=5uZdwxbLdJ8