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At Los Alamos, New Mexico,...

history · 05 April 1944 · 80 years ago

At Los Alamos, New Mexico, United States, Emilio Segrè received the first sample of reactor-refined plutonium from Oak Ridge, Tennessee, United States. He would soon discover that the spontaneous fission rate of this plutonium was too high for use in a gun-type fission weapon. 

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