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Re: Active vs Passive

From: Nyrath the nearly wise <nyrath@c...>
Date: Sun, 16 Apr 2000 09:04:49 -0400
Subject: Re: Active vs Passive

Brian Quirt wrote:
>	  You'd be better to detect the heat which such a plant will
have as a
> byproduct. Again, with current technology (although I've unfortunately
> lost this url), a ship-based infrared telescope could probably detect
a
> working fusion plant millions of km away simply from waste heat (yes,
> you could probably store the heat somewhere, but the effort of keeping
> the temperature of the outer hull more than 200 degrees lower than the
> inside (so that the people on board don't freeze) seems essentially
impossible).

	Yes, not to mention the fact that due to the second law of
	thermodynamics any attempt at "storing the waste heat"
	will always be less than 100% effective.


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