// todo need optimize like in event.jsp. Add indexing or not indexing this page. Cathode Ray Tube (11 jun 1897 ano – 28 jan 1902 ano) (Linha do tempo)

Cathode Ray Tube (11 jun 1897 ano – 28 jan 1902 ano)

Descrição:

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