[identity profile] montedavis.livejournal.com 2014-08-06 09:19 pm (UTC)(link)
C'mon, man -- if 2 x 10^30 kg of dumb ol' hydrogen can sustain fusion without an exquisitely sculpted potential and very rapid handwaving to prevent thermalization, how hard can it be?

I say pop a polywell in a Skylon, get out past the moon, and fire up the Cannae drive!