Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84 exptools; site ihlpg.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxt!houxm!ihnp4!ihlpg!tan From: tan@ihlpg.UUCP (Bill Tanenbaum - AT&T Bell Labs - Naperville IL) Newsgroups: net.physics Subject: Re: Michelson Morley experiment (Actually magnetism) Message-ID: <856@ihlpg.UUCP> Date: Mon, 15-Jul-85 13:32:05 EDT Article-I.D.: ihlpg.856 Posted: Mon Jul 15 13:32:05 1985 Date-Received: Wed, 17-Jul-85 06:19:06 EDT References: <392@sri-arpa.ARPA> Organization: AT&T Bell Laboratories Lines: 12 > From: Doug Gwyn (VLD/VMB)> > The field of a bar magnet is due primarily to aligned nuclear spins > (actually, there are lots of magnetic "domains" each with aligned > nuclei), not electron spins, if I recall my solid state courses > correctly (it's been a long time). The field of a bar magnet is due to aligned electron spins of a small number of outer electrons. The magnetic moment of the nucleus is negligible compared to that of the electron. -- Bill Tanenbaum - AT&T Bell Labs - Naperville IL ihnp4!ihlpg!tan