From: utzoo!decvax!harpo!floyd!cmcl2!philabs!crh
Newsgroups: net.trivia
Title: Superman trivia
Article-I.D.: philabs.10677
Posted: Tue Sep 14 12:14:28 1982
Received: Wed Sep 15 04:48:59 1982
References: uiucdcs.704


The imperfect duplicating ray was invented by  Prof. Potter.