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Re: starship-design: The Size of the Problem

I quote myself:

>A few plausible ways around the problem (requiring extensions
>of physics, however) come to mind:
>
>     2. Discover some ultra-cheap source of energy
>        (cold fusion?).

Note that 1 cubic mile of (sea) water contains enough deuterium to
provide about 5,400 USEs from the fusion reaction(s)--

        D + D + D --> He4 + n + p + 21.6 MeV    .

Rex