7 h 11 m, 19 jul 1939 ano - Szilard and Wigner get Einstein to write a letter to Roosevelt to warn him about the discovery of fission in Berlin. Einstein also tells Roosevelt that Germany appears to be hoarding their stores of uranium, a clue that they could already be developing a bomb.
Adicionado na linha do tempo:
Data:
7 h 11 m, 19 jul 1939 ano
Agora
~ 84 years ago
