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Perpetual Motion machine

I built these spheres from this new toy I got and after a while I managed to heng them from eachother. I then spun them each in the opposite direction and watched them go. They keep going for a very long time and in the last few minutes they slow down, stop, pause for a few seconds, start going again, sometime in the oposite direction, its very cool!!!
YouTube - Perpetual Motion machine


magnetmotor