"Deadline" is a 1944 science fiction short story by American writer Cleve Cartmill, first published in Astounding Science Fiction. The story described the then-secret atomic bomb in some detail. At that time the bomb was still under development and top secret, which prompted a visit by the FBI.In 1943, Cartmill suggested to John W. Campbell, the then-editor of Astounding, that he could write a story about a futuristic super-bomb. Campbell liked the idea and supplied Cartmill with considerable background information gleaned from unclassified scientific journals, on the use of Uranium-235 to make a nuclear fission device. The resulting story appeared in an issue of Astounding, released in February 1944 but dated March of that year.
FBI investigation
By March 8, the story had come to the attention of the Counterintelligence Corps, who saw many similarities between the technical details in the story and the research currently being undertaken in great secrecy at Los Alamos. Gregory Benford describes the incident as told to him by Edward Teller in his autobiographical essay "Old Legends":
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Rocket
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