1 ene 1897 año - Joseph John Thomson
Descripción:
Used a CRT to determine the charge to mass ratio of an electron = 1.759 x 10^8 coulombs/grams; studied canal rays and found they were associated with the proton H+
Añadido al timeline:
fecha:
1 ene 1897 año
Ahora mismo
~ 128 years ago
Fotos:
![]()