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19 magg 1940 anni - Frisch and Rudolf Peierls submit a memorandum to the British government estimating the critical mass of uranium 235 needed for an atomic bomb and urging a bomb research project.

Aggiunto al nastro di tempo:

Atomic Bomb Timeline

ByAlec
14 mar 2020

Data:

19 magg 1940 anni
Adesso
~ 84 years ago
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