Cathode Ray Tube (11 juin 1897 – 28 janv. 1902)
Description:
J.J. Thompson discovered the electron, the first of the subatomic particles, using the cathode ray tube experiment. He found that many different metals release cathode rays, and that cathode rays were made of electrons, very small negatively charged particlesAjouté au bande de temps:
Date:
11 juin 1897
28 janv. 1902
~ 4 years and 7 months
