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Jan 17, 2018 at 10:07 comment added peterh @userLTK Thanks. I think the miniaturization of fission power is a not-issue today, they are already happy if the ITER will work. But the plasma controlling technologies is a top priority, and if there is enough high level plasma control, there is also possibility to miniaturize fusion. Energy producing fission reactors can be built in car size, the Russians did it in the sixties, only the U.S. won't do it, because there the Greenpeace represents the public opinion. If a fusion reactor can be miniaturized to an ISS size, and a political change makes the USA to support space exploration on
Jan 17, 2018 at 7:54 comment added userLTK Nice answer. 23,000 tons is a serious problem, unless we start building much larger space vessels.
Jan 15, 2018 at 9:31 history edited peterh CC BY-SA 3.0
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Jan 15, 2018 at 9:25 history answered peterh CC BY-SA 3.0