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Jet is 1980's technology and it's already produced 16 megawatts from 200 cubic meters in 1997. http://www.ccfe.ac.uk/JET.aspx Compared to "the center of the sun, fusion power is estimated by model to be about 276.5 watts/m3" http://en.wikipedia.org/wiki/Solar_core

Which works out to 290x the energy density of the core. Direct comparisons of the Continent vessel vs the volume of the sun are even higher.

Not to mention getting 5.4 yottawatts from roughly the same volume, if not for the same amount of time:

http://en.wikipedia.org/wiki/Tsar_Bomba

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