Cathode Ray Tube (jun 11, 1897 – jan 28, 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 particlesAdded to timeline:
Date:
jun 11, 1897
jan 28, 1902
~ 4 years and 7 months