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28 dic 1855 anni - J.J. Thomson (1856-1940)

Descrizione:

In 1894, Thomson began studying cathode rays, which are glowing beams of light that follow an electrical discharge in a high-vacuum tube.

Aggiunto al nastro di tempo:

13 ott 2017
0
0
557

Data:

28 dic 1855 anni
Adesso
~ 169 years ago