5 h 44 min, 2 janv. 1897 ans - Thomson
Description:
Thomson discovered the electron by experimenting with a crookes,or cathode ray,tube.He demonstrated that cathode rays were negatively charged.in addition,he also studied positively charged particles in neon gas.
Ajouté au bande de temps:
Date:
5 h 44 min, 2 janv. 1897 ans
Maintenaint
~ Il y a 127 ans