I was surfing along, and that whole 'how-did-I-get-here...from-there/wikipedia thing happened with youtube. Its a strange incantation of a VAWT. Figured you guys might get a kick (or at least a good laugh), and maybe a couple ideas out of it.
http://www.youtube.com/watch?v=ibWue8nJLfQ&feature=related
Too bad tho, the explanation is not in english... The way it works isn't immediately obvious, but the basic concept works out in a couple minutes into the vid.
Steve