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