Youre forgetting that heat energy doesnt have to be dumped anywhere. it can stay inside the ship indefinitely or at least be trickled out to space in very low quantities. The heat could most certainly be used to power things.
But again, technology limits theories into nothing but speculation as to future technology.
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A popular Government without popular information nor the means of acquiring it, is but a Prologue to a Farce or a Tragedy or perhaps both. Knowledge will forever govern ignorance, and a people who mean to be their own Governors must arm themselves with the power knowledge gives
- James Madison
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