Haverly wants a bigger blast, a device with a yield of 81 gigatons, over 1600 times that of Tsar Bomba. Such a bomb, he writes solemnly, "is not to be taken lightly". Quite how we are supposed to ...

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 ...

The Tzar Bomba test came during a period when the US was trying to build high-yield thermonuclear ... weapons from being built. Video of the Tsar Bomba detonation can be found here, as part ...

From the late 19th century through to the outbreak of World War One in 1914, a series of threats to the Tsar's authority developed ... and discontent which was building within the Tsarist Empire.