Nuclear Bomb Blast Map Shows What Would Happen if One Detonated Near You

'We thought it was the end of the world': How the US dropped four nuclear bombs on Spain in 1966

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A cobalt bomb is a type of "salted bomb": a nuclear weapon designed to produce enhanced amounts of radioactive fallout, intended to contaminate a large area with radioactive material, potentially for the purpose of radiological warfare, mutual assured destruction or as doomsday devices. There is no firm evidence that such a device has ever been built or tested. History The concept of a cobalt bomb was originally described in a radio program by physicist Leó Szilárd on February 26, 1950. His inte