Wednesday, December 05, 2007

It's not perpetual motion, but it's close.


Anonymous said...

That was an exciting ten minutes.

"Still there? It's perpetual!"

Anonymous said...

The ball is always rolling downhill -- the ball rolling keeps the pumplike action of the mechanism going and the pumplike action tilts the ring just enough to keep the ball always rolling downhill! Brilliant!


Greg Bishop said...

It's almost like this.