J. J. Thomson discovered the ratio of charge to mass of electrons. (1 jan 1906 ano – 23 h 59 m, 31 dez 1906 ano)
Descrição:
He utilized cathode ray tubes and electromagnetic theory to find that the ratio of charge to mass of electrons is _ C/m
Adicionado na linha do tempo:
Data:
1 jan 1906 ano
23 h 59 m, 31 dez 1906 ano
~ 12 months