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30 Dez 1895 Jahr - Henri Becquerel

Beschreibung:

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

Zugefügt zum Band der Zeit:

Scientific method of atom

ByNashua Lovett

11 Dez 2018

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306

Datum:

30 Dez 1895 Jahr

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~ 129 years ago

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