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4 Jan 1896 Jahr - Henri Becquerel

Beschreibung:

He left some uranium salt on a photographic plate accidentaly. He later found out the film was exposed and in contact with the salt. He thought the salt gave off invisable energy he called radiation.

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ByAJ Bergman
5 Nov 2018
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0
439

Datum:

4 Jan 1896 Jahr
Jetzt
~ 129 years ago

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