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5 ore 44 min, 2 gen 1897 anni - Thomson

Descrizione:

Thomson discovered the electron by experimenting with a crookes,or cathode ray,tube.He demonstrated that cathode rays were negatively charged.in addition,he also studied positively charged particles in neon gas.

Aggiunto al nastro di tempo:

6 feb 2018

Data:

5 ore 44 min, 2 gen 1897 anni
Adesso
~ 127 years ago