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1 ene 1941 año - Glenn Seaborg

Descripción:

Glenn Seaborg discovers plutonium.
The U.S. Committee on X‑ray Protection recommends adoption of maximum body burden of 0.1
microCurie for radium.
L.S. Taylor recommends lowering the x‑ray exposure dose to 0.02 Roentgens/day.

Añadido al timeline:

Radiation Timeline

ByJayden
10 jun 2018
0
0
726

fecha:

1 ene 1941 año
Ahora mismo
~ 84 years ago

Fotos:

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