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8 dic 1897 anni - J. J. Thomson

Descrizione:

He discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged.

Aggiunto al nastro di tempo:

27 set 2018
0
0
419

Data:

8 dic 1897 anni
Adesso
~ 128 years ago