Operation Totem status, the British government restarted its own development effort, which was given the cover name "High Explosive Research". The first British atomic bomb was tested in Operation Hurricane at the Montebello Islands in Western Australia on 3 October 1952. The main purpose of the trial was to determine the acceptable limit on the amount of plutonium-240 which could be present in a bomb. The plutonium used in the original Hurricane device was produced in the nuclear reactor at Windscale, but the Windscale Piles did not have anything like the capacity to provide sufficient material for the British government's planned weapons
Las Vegas in the 1950s tests began at the Nevada Test Site, north of Las Vegas ( from downtown Las Vegas) on 27 January 1951. After it was shown on television on 22 April 1952, the Las Vegas town and the nation was gripped by the atomic fever and the Chamber of Commerce even brought out a calendar showing the vantage points to view the atomic sites. Atomic Cocktails, Atomic hair-dos, and Miss Atomic Blast beauty contests became popular with people in some of the casinos. Testing continued until the 1963 Test Ban Treaty came into effect and surface testing was banned and underground testing