33
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
142958
12633
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1 jan 1897 ano - Cathode Ray Tube

Descrição:

In 1897, 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.

Adicionado na linha do tempo:

Data:

1 jan 1897 ano
Agora
~ 128 years ago