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The Finsrud Device
I was watching a show on the Discovery Channel the other day and it was about supposed perpetual motion devices. All the machines they showed were debunked, but this one machine seemed real enough. It's called the Finsrud device and basically this ball rolls around a track which has a segment that's lifted up or down by some kind of swinging magnetic apparatus.
I think I remember them saying they locked the machine in a vault or something for a few months, and when they opened it back up the thing was still going! :huh:
Not sure what to make of it... It's currently on display in a museum somewhere. You can read more about it here.
I was watching a show on the Discovery Channel the other day and it was about supposed perpetual motion devices. All the machines they showed were debunked, but this one machine seemed real enough. It's called the Finsrud device and basically this ball rolls around a track which has a segment that's lifted up or down by some kind of swinging magnetic apparatus.
I think I remember them saying they locked the machine in a vault or something for a few months, and when they opened it back up the thing was still going! :huh:
Not sure what to make of it... It's currently on display in a museum somewhere. You can read more about it here.