// todo need optimize like in event.jsp. Add indexing or not indexing this page. Cathode Ray Tube (11 jun 1897 año – 28 ene 1902 año) (Cinta de tiempo)

Cathode Ray Tube (11 jun 1897 año – 28 ene 1902 año)

Descripción:

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 particles