#ManhattanProject NuclearFission NuclearBomb

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The Science Behind the First Nuclear Chain Reaction, Which Ushered in the Atomic Age 75 Years Ago - Artemis Spyrou and Wolfgang Mittig. 

The Science Behind the First Nuclear Chain Reaction, Which Ushered in the Atomic Age 75 Years Ago – Artemis Spyrou and Wolfgang Mittig. 

That fateful discovery helped give us nuclear power reactors and the atomic bomb. 

Over Christmas vacation in 1938, physicists Lise Meitner and Otto Frisch received puzzling scientific news in a private letter from nuclear chemist Otto Hahn. When bombarding uranium with neutrons, Hahn had made some surprising observations that went against everything known at the time about the dense cores of…