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Fat Man

Posted by Sergio Vargas (Kumamoto, Japan) on 8 May 2008 in Lifestyle & Culture.

"Fat Man" is the codename for the atomic bomb that was detonated over Nagasaki, Japan, by the United States on August 9, 1945. It was the second of the two nuclear weapons to be used in warfare and was the third man-made nuclear explosion at that time. The name also refers more generically to the early nuclear weapon designs of U.S. weapons based on the "Fat Man" model. It was an implosion-type weapon with a plutonium core.
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