JJ discovered the Electrons (1 janv. 1897 – 31 déc. 1897)
Description:
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.Ajouté au bande de temps:
Date:
1 janv. 1897
31 déc. 1897
~ 12 months