http://www.youtube.com/watch?v=tlx2PgESXhs&feature=share&list=ULtlx2PgESXhs
So yeah… levers, magnets, rolling ball… Keeping it locked in a safe because ‘people want to suppress the idea’,.. it’s perpetual motion, right?
Note the nice thick column. Lots of room for hiding a power source in there. Heck, the clock in the hallway can run for a week without stopping, that doesn’t make it perpetual.

