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2 agos 1939 anni - Leo Szilard envia una carta al Presidente Roosevelt

Descrizione:

Szilard escribió una carta para el Presidente, se apoyó en el fisico Albert Einstein para firmar la carta y comunicarle que tenían los medios para crear un arma mas poderosa que las normales.

Aggiunto al nastro di tempo:

4.7 Objeto 4 Tarea Final

ByLydia Delgado
7 dic 2018

Data:

2 agos 1939 anni
Adesso
~ 84 years ago

Immagini:

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