Becquerel's theory of spontainiosly decomposing chemicals (1 ene 1896 año – 31 dic 1896 año)
Descripción:
While studying the effect of x-rays on photographic film, he discovered some chemicals spontaneously decompose and give off very pentrating rays.
Añadido al timeline:
fecha:
1 ene 1896 año
31 dic 1896 año
~ 12 months