17 apr 1932 anni - James Chadwick-Discovery of Neutrons
Descrizione:
1932-Using alpha particles, James discovered that neutral atomic particle had a mass close to a proton and a charge of 0. Thus the neutron was discovered. The experiment was when he shot alpha rays onto a sheet of beryllium (filtered out electrons) .Aggiunto al nastro di tempo:
Data:
17 apr 1932 anni
Adesso
~ 92 years ago
