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A comment on Starship Radiators. Parent comment

Re:Starship Radiators by ForHackernews on Tuesday February 04, 2014 @10:58AM (#7178206)
Temperature differential should be easy to come by in interstellar space.
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Re:Starship Radiators by glimcat on Tuesday February 04, 2014 @12:13PM (#7178744)
You need mass that's at a lower temperature. Vacuum is an insulator.
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Re:Starship Radiators by mcguire on Tuesday February 04, 2014 @01:10PM (#7179170)
Ever used a Thermos vacuum bottle?[1]

[1] http://en.wikipedia.org/wiki/Vacuum_flask

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Re:Starship Radiators by samatman on Tuesday February 04, 2014 @12:05PM (#7178674)
Sadly, what you need is heat differential. Icy vacuum is next to useless here. Hence the large radiators...
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