JJ discovered the Electrons (1 ene 1897 año – 31 dic 1897 año)
Descripción:
In 1897, J.J. 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.
Añadido al timeline:
fecha:
1 ene 1897 año
31 dic 1897 año
~ 12 months