It is the brainchild of Andrew Haverly, who described his idea in a paper released ... is the scale of the bomb required. The largest nuclear explosion was that of Tsar Bomba, detonated by the ...

And all this came from a 1.4 megaton bomb. Tsar Bomba, which was the largest nuclear bomb that has ever been detonated, was 50 megatons. So what would happen if we detonated that above the United ...