James Chadwick (20 Okt 1891 Jahr – 24 Jul 1974 Jahr)
Beschreibung:
Chadwick discovered the neutron. He did this by exposing beryllium to alpha rays. It released an unknown radiation that ejected the protons from the nuclei of various substances. He said the radiation was something the same size as a neutron but without charge.Zugefügt zum Band der Zeit:
Datum:
20 Okt 1891 Jahr
24 Jul 1974 Jahr
~ 82 years