23 mars 1932 - James Chadwick
Description:
He discovered the neutron by using a sample of beryllium and used alpha particles. When he combined them, he found mysterious radiation. Initially he thought they were gamma rays but he later concluded that beryllium was emitting neutrons.Ajouté au bande de temps:
Date:
23 mars 1932
Maintenaint
~ Il y a 92 ans
