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1 janv. 1896 - Antoine-Henri Becquerel

Description:

discovers rays produced by uranium, the first observation of natural radioactivity.
Concerns first raised about possible injuries from x‑ray exposures.

Ajouté au bande de temps:

8 juin 2018
0
0
522

Date:

1 janv. 1896
Maintenaint
~ Il y a 129 ans

Les images: