From: utzoo!decvax!yale-com!brunix!rb
Newsgroups: net.physics
Title: Re: perpetual motion puzzle?
Article-I.D.: brunix.1181
Posted: Tue Jan  4 02:56:02 1983
Received: Tue Jan  4 06:39:56 1983
References: ihuxs.254

Maybe it has something to do with the earth's magnetic field?  Seems unlikely
but you never know.

-Ronen