From: utzoo!decvax!decwrl!sun!megatest!fortune!hpda!hplabs!hao!seismo!harpo!floyd!crc Newsgroups: net.space Title: Re: Hot Light or Hot Air? Article-I.D.: floyd.1503 Posted: Tue May 10 11:50:38 1983 Received: Sat May 14 02:37:11 1983 References: populi.561 It was once thought that aircraft would not be useful as weapons. Billy Mitchell had to demonstrate it. No one believed in rockets until Von Braun dropped some on London. Just a few years ago many people thought that there was no reason to go into space. Some still do. You can never prove something is impossible or useless. The best you can do is to prove that YOU can't make it do something useful. /Charles Colbert (Impervious to the commonsense of the stay-in-beds)