Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!linus!decvax!tektronix!hplabs!sri-unix!mcgeer%ucbkim@Berkeley
From: mcgeer%ucbkim%Berkeley@sri-unix.ARPA
Newsgroups: net.physics
Subject: Re: FTL and time-travel -- exercise for the reader
Message-ID: <428@sri-arpa.ARPA>
Date: Fri, 19-Jul-85 13:03:42 EDT
Article-I.D.: sri-arpa.428
Posted: Fri Jul 19 13:03:42 1985
Date-Received: Mon, 22-Jul-85 00:08:56 EDT
Lines: 9

From:  Rick McGeer (on an aaa-60-s) <mcgeer%ucbkim@Berkeley>

	Unfortunately, your example required that A measure the distance
between B and A simultaneous with B's receipt of A's original message.  This
is impossible, since simultaneity is a concept with no meaning.

						Rick.