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20 feb 1896 anni - Henri Becquerel: 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:
Timeline of Atomic Structure
By
Samar Hussain
7 dic 2017
0
0
362
Data:
20 feb 1896 anni
Adesso
~ 128 years ago
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