Tube Alloys the features, science and idea behind the American Fat Man implosion-type nuclear weapon. He broke down the development tasks required to replicate it, identifying outstanding questions that required further research on nuclear weapons. On 3 October 1952, under the code-name "Operation Hurricane", the first British nuclear device was successfully detonated in the Monte Bello Islands off the west coast of Australia. The Sputnik crisis and the development of the British hydrogen bomb led to the Atomic Energy Act being amended in 1958, and to a resumption of the nuclear Special Relationship between America and Britain under the 1958 US–UK Mutual
What If (story) What If (story) "What If—" is a fantasy short story by Isaac Asimov that was first published in the Summer 1952 issue of "Fantastic" and reprinted in the 1969 collection "Nightfall and Other Stories". The story was inspired by the author's wife, who challenged him to produce a story based on a train trip they were taking to New York. A married couple is traveling on a train from Boston to New York City. They meet a mysterious silent man known only as Mister If, who shows them a small portable television-like device about in size. (Mr. If's first name