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30 dic 1895 anni - Henri Becquerel

Descrizione:

While studying the effect of x-rays on photographic film, he discovered some chemicals spontaneously decompose and give off very pentrating rays.

Aggiunto al nastro di tempo:

Scientific method of atom

ByNashua Lovett

11 dic 2018

0

0

311

Data:

30 dic 1895 anni

Adesso

~ 129 years ago

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