Quote:
Originally Posted by arcora
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What you are seeing is like one of those pump driven spinning tops - the spring is the magnetic repulsion and the subtle movement up and down of the supporting hand drives the disc's rotation. It has been reported that when the top magnet is held rigid, say clamped, there is no rotation.
Lovely toy though.
I am sure that there are going to be ways of harvesting free energy, but I dont think this is it.