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From: @S1-A.ARPA,@MIT-MC.ARPA:MINSKY@MIT-OZ
Newsgroups: net.space
Subject: SPACE Digest V5 #169
Message-ID: <1985@mordor.UUCP>
Date: Wed, 29-May-85 17:10:58 EDT
Article-I.D.: mordor.1985
Posted: Wed May 29 17:10:58 1985
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From: MINSKY%MIT-OZ@MIT-MC.ARPA

The usual idea for a laser-launcher is somehow to use the sunlight
from a nearby star to power the system, so the energy cost is zero,
and the hardware cost is the one that matters.