16 déc. 1919 - Ernest Rutherford
Description:
is credited with the discovery of the proton when he notices the signatures of hydrogen nuclei when alpha particles are shot into nitrogen gas. In these experiments, he also became the first person to transmute one element into another (nitrogen into oxygen) through a deliberate man-made nuclear reaction.Ajouté au bande de temps:
Date:
16 déc. 1919
Maintenaint
~ Il y a 104 ans
