'Perpetual motion' machine

The Finsrud Wheel is a moving sculpture built by Norwegian artist Reidar Finsrud. It appears to use a combination of gravity, magnets, and pendulum effects, which modern physics would say is impossible, to generate nearly continuous motion since 1996* when it was assembled. It is presently housed in a vault in a Norwegian gallery featuring Finsrud's works.

* 14-days in a row is the longest it has run without stopping. -- Rita Børtveit, on behalf of Reidar Finsrud (April 2, 2008)

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