Robert Oppenheimer10 July 1943
Los Alamos begins its first nuclear-physics experiment, measuring plutonium-239 fission-neutron yield and marking the laboratory's transition into active experimental work.
United States · Science / Physics. Chronological records rendered directly from the World History Database.
Los Alamos begins its first nuclear-physics experiment, measuring plutonium-239 fission-neutron yield and marking the laboratory's transition into active experimental work.
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