I guess "truth is stranger than fiction." ;-) Blog comment from the link you posted:
The 10GT weapon really would have been BACKYARD. At 6MT/tonne (the upper bound for thermonuclear weapons) it would have weighed 1667 tonnes.
The 10GT weapon really would have been BACKYARD. At 6MT/tonne (the upper bound for thermonuclear weapons) it would have weighed 1667 tonnes.