[gaijin]

I heard that they anticipated Castle Bravo would be just 5 MT but turned out to be 15 MT and was actually an accident.

[skinkinthegrass]

someone forgot move the decimal point on their slide-rule?

[doorgunner69]

You heard right.

First time Lithium-6 was used as a fusion fuel and an unanticipated conversion to tritium (I think) during the reaction drastically increased the fusion reaction.