J. J. Thomson discovered the ratio of charge to mass of electrons. (1 janv. 1906 – 23 h 59 min, 31 déc. 1906 ans)
Description:
He utilized cathode ray tubes and electromagnetic theory to find that the ratio of charge to mass of electrons is _ C/mAjouté au bande de temps:
Date:
1 janv. 1906
23 h 59 min, 31 déc. 1906 ans
~ 12 months