1 janv. 1898 - J.J. Thomson Electron Discovery, 1898
Description:
Using properties of the cathode rays, Thomson discovered the electron. He 'proved' his statement by demonstrating that the cathode rays were negatively charged, and that the particles in neon gas are positively charged.Ajouté au bande de temps:
Date:
1 janv. 1898
Maintenaint
~ Il y a 127 ans