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Fat Man Replica of the original Fat Man bomb Type Nuclear fission gravity bomb Place of origin United States Production history Designer Los Alamos Laboratory Produced 1945–1949 No. built 120 Specifications Mass 10,300 pounds (4,670 kg) Length 128 inches (3.3 m) Diameter 60 inches (1.5 m) Filling Plutonium Filling weight 6.2 kg Blast yield 21 kt (88 TJ) "Fat Man" (also known as Mark III) was ...
Little Boy was a type of atomic bomb created by the United States as part of the Manhattan Project during World War II.The name is also often used to describe the specific bomb (L-11) used in the bombing of the Japanese city of Hiroshima by the Boeing B-29 Superfortress Enola Gay on 6 August 1945, making it the first nuclear weapon used in warfare, and the second nuclear explosion in history ...
Fat Man and Little Boy (released in the United Kingdom as Shadow Makers) is a 1989 American epic historical war drama film directed by Roland Joffé, who co-wrote the script with Bruce Robinson. The story follows the Manhattan Project , the secret Allied endeavor to develop the first nuclear weapons during World War II .
Fat Man was the second nuclear weapon to be deployed in combat after the US dropped a 5-ton atomic bomb, called "Little Boy," on the Japanese city of Hiroshima.
The uranium gun-type weapon known as Little Boy did prove to be simpler than Thin Man. The gun velocity needed to be only 1,000 feet per second (300 m/s), a third that of Thin Man. A corresponding reduction in the barrel length reduced the bomb's overall length to 6 feet (1.8 m).
Fat Man and Little Boy may refer to: Fat Man and Little Boy, collectively, atomic bombs used in World War II; Fat Man and Little Boy, 1989 film "Fat Man and Little Boy" (The Simpsons), 2004 episode of the TV series
The names were based on their design shapes; the "Thin Man" would be a very long device, and the name came from the Dashiell Hammett detective novel and series of movies of the same name; the "Fat Man" bomb would be round and fat and was named after Sydney Greenstreet's character in The Maltese Falcon (from Hammett's novel). "Little Boy" would ...
Atom Bombs: The Top Secret, Inside Story of Little Boy and Fat Man John Coster-Mullen (21 December 1946 – 24 April 2021) was an American industrial photographer, truck driver and nuclear archaeologist who played an important role in creating a public record of the design of the first atomic bombs .