1 ene 1894 año - J.J Thomson
Descripción:
Cheetham Hill, England1894
In 1894 he began his research on cathode rays. In 1906 he began his research on positive rays which lead to him proving the existence of isotopes in a stable element. All of his research lead to the discovery of electrons.
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1 ene 1894 año
Ahora mismo
~ 130 years ago
