wow interesting, when you say "upper end" it means the effeciency of matter → energy conversion is at the upper end of fusion, or 1kg of anti-matter would have the same power of an upper end fusion?
either way super cool
either way super cool
(megaton, to be clear, is not a measure of mass when talking about bombs, it's a measure of energy released - a 1 megaton bomb is equivalent to the energy released by a million tons of TNT, if such a volume could be detonated)