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The Manhattan Project Bomb You Haven't Heard Of

Manhattan Project scientists working on the Thin Man plutonium gun assembly. Two atomic bombs nicknamed Little Boy and Fat Man were detonated over Hiroshima and Nagasaki in August 1945, effectively ...
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A look at past nuclear weapons tests in Russia, China and the U.S.

President Donald Trump on Wednesday said he had directed the Pentagon to begin testing nuclear weapons “on an equal basis” with Russia and China, triggering uncertainty over the decades-old U.S.