Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1a 12/4/83; site rlgvax.UUCP Path: utzoo!linus!security!genrad!grkermit!masscomp!clyde!floyd!cmcl2!philabs!seismo!rlgvax!guy From: guy@rlgvax.UUCP Newsgroups: net.physics Subject: Re: eV Message-ID: <1636@rlgvax.UUCP> Date: Mon, 30-Jan-84 22:49:15 EST Article-I.D.: rlgvax.1636 Posted: Mon Jan 30 22:49:15 1984 Date-Received: Thu, 2-Feb-84 01:24:35 EST References: <1483@pur-ee.UUCP> Organization: CCI Office Systems Group, Reston, VA Lines: 10 If there is a formula giving one quantity as a constant times another quantity, sometimes measurements of the one quantity are expressed in units of the other quantity for computational and notational convenience. Since the mass of something and its energy are related, in relativistic physics, by a constant whose value is the square of the speed of something massless (like light), if one is working in relativistic physics one can measure mass in units of energy or vice versa. Guy Harris {seismo,ihnp4,allegra}!rlgvax!guy