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From: jwm@stdc.jhuapl.edu (James W. Meritt)
Newsgroups: talk.politics.misc,sci.misc
Subject: Re: greenhouse effect
Message-ID: <154@aplcomm.UUCP>
Date: 28 Mar 88 13:31:10 GMT
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Reference the debate as to the efficiency of various energy conversion
methodologies and the thermal impact upon the environment:

It ALL winds up as heat in the environment, unless you directly radiate
it into space.  Perhaps the original conversion is 30% (70% directly to
heat).  Fine.  Another couple of percent goes to heat during power
transmission, another big chunk goes to heat as you produce "useful work",
and then the "useful work" winds up as heat, too.  Friction and such.
Everything winds up as heat, eventually.  The percentages are just a
method of discovering how much is used along the way.


Disclaimer: Individuals have opinions, organizations have policy.
            Therefore, these opinions are mine and not any organizations!
Q.E.D.
jwm@aplvax.jhuapl.edu 128.244.65.5