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12 ore 55 min, 2 agos 1939 anni - Albert Einstein

Descrizione:

El físico consideró que era necesario que Estados Unidos desarrolle un programa de armas nucleares. Firmó, una carta dirigida al presidente de los Estados Unidos, Franklin Delano Roosevelt, en la que alertaba sobre los desarrollos atómicos alemanes e instaba al país a impulsar un programas similar.

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Bymariana
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Data:

12 ore 55 min, 2 agos 1939 anni
Adesso
~ 86 years ago
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