The most powerful bomb detonated was the
Tsar Bomba(Ivan)...with a 57 megaton payload.
The original plans called for 100MT, but was scaled down to reduce fallout.
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Life is full of choices. Sometimes you make the good ones, and sometimes you have to kill all the witnesses.
Lurker - "This is baut... we can't decide on the safety of pbj sandwiches in less than 9 pages..."