Some estimates put it at 100 kilotons, which would be five times more powerful than Fat Man, the bomb dropped on Nagasaki by the ... back to prevent the nuclear fallout affecting the wider population.

Using simulations of a 750-kiloton blast—three times the size of the Nagasaki ... event of nuclear war, several countries are expected to be less impacted by both the nuclear fallout and ...

The history of the world was forever changed by the atomic bombings of Hiroshima and Nagasaki ... and changes in weather patterns blew the nuclear fallout far outside the danger zone, where ...