James Chadwick (20 ottob 1891 anni – 24 lugl 1974 anni)
Descrizione:
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.
Aggiunto al nastro di tempo:
Data:
20 ottob 1891 anni
24 lugl 1974 anni
~ 82 years