Becquerel's theory of spontainiosly decomposing chemicals (1 Jan 1896 Jahr – 31 Dez 1896 Jahr)
Beschreibung:
While studying the effect of x-rays on photographic film, he discovered some chemicals spontaneously decompose and give off very pentrating rays.
Zugefügt zum Band der Zeit:
Datum:
1 Jan 1896 Jahr
31 Dez 1896 Jahr
~ 12 months