The software uses declassified equations and models about nuclear weapons and their effects - fireball size, air-blast radius, radiation zones, and more - to crunch the numbers, then renders the ...

The simulator has been viewed ... not show graphic images of the effects of a nuclear weapon, it does provide hints of devastation. Anyone within the heat blast of a bomb, for instance, "would ...

Since February 2012, people around the world have exploded more than 159 million nuclear weapons. They've set off big ones and small ones, and dropped them on Washington, Paris, Moscow, and even ...