1 jan 1905 ano - John Baptiste Perrin - Proving atoms exist

Descrição:

John Perrin proved the existence of atoms by first stating that if molecules were real, when particles were blended into a substance, they wouldn't all sink to the bottom. He backed this statement up with an experiment conducted in 1908. He later won a Nobel Prize for his work in 1926.

Adicionado na linha do tempo:

Data: