Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 5/3/83; site ukc.UUCP Path: utzoo!linus!decvax!harpo!gummo!whuxlb!floyd!vax135!ukc!dgd From: dgd@ukc.UUCP (D.G.Dixon) Newsgroups: net.space Subject: s.e.t.i Message-ID: <3887@ukc.UUCP> Date: Mon, 1-Aug-83 06:39:16 EDT Article-I.D.: ukc.3887 Posted: Mon Aug 1 06:39:16 1983 Date-Received: Tue, 2-Aug-83 16:50:56 EDT Organization: Computing Lab. Kent University, England Lines: 13 perhaps planetary civilisations only emit radio communications for a brief developing stage in their history. we seem to be moving more toward tight-beam communications, cables, optical fibres etc. even radar may be replaced by laser systems so in a few generations earth may become radio-quiet once again. douglas adams writes a good story but are dolphins really as intelligent as he/l.niven et.al. would like to think? dgd ...!vax135!ukc!dgd