Asri-unix.1050 net.space utcsrgv!utzoo!decvax!ucbvax!C70:sri-unix!A.exp@Berkeley Wed Mar 17 17:33:09 1982 Thought experiment in general relativity Is the path followed by a light ray which is known to intersect tangentially at one point an infinitely rigid straight rod always along the rod? ----------------------------------------------------------------- gopher://quux.org/ conversion by John Goerzen of http://communication.ucsd.edu/A-News/ This Usenet Oldnews Archive article may be copied and distributed freely, provided: 1. There is no money collected for the text(s) of the articles. 2. The following notice remains appended to each copy: The Usenet Oldnews Archive: Compilation Copyright (C) 1981, 1996 Bruce Jones, Henry Spencer, David Wiseman.