Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/18/84; site utastro.UUCP
Path: utzoo!linus!philabs!cmcl2!seismo!ut-sally!utastro!ethan
From: ethan@utastro.UUCP (Ethan Vishniac)
Newsgroups: net.physics
Subject: Re: Quantum electrodynamics and Feynman diagrams
Message-ID: <36@utastro.UUCP>
Date: Thu, 10-Oct-85 12:06:46 EDT
Article-I.D.: utastro.36
Posted: Thu Oct 10 12:06:46 1985
Date-Received: Tue, 15-Oct-85 02:15:16 EDT
References: <326@bcsaic.UUCP>
Organization: U. Texas, Astronomy, Austin, TX
Lines: 8

Virtual particles can have a momentum oriented against their
direction of motion.  Is this weird? You bet. 
-- 
"Superior firepower is an      Ethan Vishniac
 important asset when          {charm,ut-sally,ut-ngp,noao}!utastro!ethan
 entering into                 ethan@astro.UTEXAS.EDU
    negotiations"              Department of Astronomy
                               University of Texas