Atomic bomb explosion. Mushroom cloud produced by the detonation of XX-10 Priscilla, a 37-kiloton atomic bomb, on 24 June 1957. This was part of Operation Plumbbob at the Nevada Proving Grounds, USA. XX-10 Priscilla was suspended from a balloon about 200 metres above the Nevada desert before detonation. Atomic or nuclear bombs work by releasing the energy within the nucleus of atoms. Fission bombs contain enriched uranium or plutonium. When an atom absorbs a neutron, it splits into smaller atoms, releasing energy (in the form of heat and radiation) and more neutrons, which propagate a chain reaction.

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SPL Reference Number: T165/126

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