Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: Notesfiles $Revision: 1.7.0.5 $; site uiucdcs Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxn!ihnp4!inuxc!pur-ee!uiucdcs!seefromline From: mcewan@uiucdcs.Uiuc.ARPA Newsgroups: net.physics Subject: Re: History of Light and Magnetism Message-ID: <24400046@uiucdcs> Date: Mon, 15-Jul-85 14:14:00 EDT Article-I.D.: uiucdcs.24400046 Posted: Mon Jul 15 14:14:00 1985 Date-Received: Wed, 17-Jul-85 08:06:59 EDT References: <6000001@umn-cs> Lines: 13 Nf-ID: #R:umn-cs:6000001:uiucdcs:24400046:000:488 Nf-From: uiucdcs.Uiuc.ARPA!mcewan Jul 15 13:14:00 1985 >The speed of light is a constant in vacuum at given gravitational field density. >In general :-) it speeds up infinitely in a void where no matter exists >(gets lost). Or another way of looking at it is that the photon wave length >goes to infinity as the background gravity field goes to zero. This is meaningless, since a photon has mass, and thus generates a gravity field. Scott McEwan {ihnp4,pur-ee}!uiucdcs!mcewan "They're clumsy. They're out of shape. They're dead."