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1947 – January – British Prime Minister Clement Attlee approves the development of an atomic bomb through the High Explosive Research programme led by William Penney, Baron Penney. [6] 1948 – June 19 – The Soviet Union's first plutonium production reactor is activated at Chelyabinsk-40. [6]
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. [1] In 1943, Cartmill suggested to John W. Campbell, the then-editor of Astounding, that he could write a story about a futuristic super-bomb. [2]
The Joe-1 atomic bomb test by the Soviet Union that took place in August 1949 came earlier than expected by Americans, and over the next several months there was an intense debate within the U.S. government, military, and scientific communities regarding whether to proceed with development of the far more powerful Super. [50]
The Mark 7 nuclear weapon weighed about 1,600 pounds (730 kg). [6] It was fitted with one vertical retractable stabilizer fin that allowed it to fit better in or under some planes. [1] This was unique, and made it one of the first nuclear weapons to be streamlined enough to be carried on smaller planes. [7] The bomb’s diameter is 30 inches ...
The film tells the story of J. Robert Oppenheimer (1904–1967), [3] the theoretical physicist who led the effort to build the first atomic bomb, tested in July 1945 at Trinity site in New Mexico. It features interviews with several Manhattan Project scientists, as well as newly declassified archival footage. [4]
John Ray Dunning was born in Shelby, Nebraska, on September 24, 1907, the son of Albert Chester Dunning, a grain dealer, and his wife Josephine Dunning née Thelen.He graduated from Shelby High School in 1925, and entered Nebraska Wesleyan University where he became a member of Phi Kappa Tau fraternity, and received a Bachelor of Arts (B.A.) degree in 1929.
Apocalyptic fiction is a subgenre of science fiction that is concerned with the end of civilization due to a potentially existential catastrophe such as nuclear warfare, pandemic, extraterrestrial attack, impact event, cybernetic revolt, technological singularity, dysgenics, supernatural phenomena, divine judgment, climate change, resource depletion or some other general disaster.
In the first years of the atomic era, it was generally believed that the great obstacle facing a would-be developer of an atomic bomb was the acquisition of sufficient fissile material. In response, the Acheson–Lilienthal Report proposed that the complete path from the uranium and thorium mines to post production be under international ownership.