1 янв 1932 г. - James Chadwick
Описание:
James Chadwick assaulted beryllium atoms with alpha particles. An unknown radiation was produced. Chadwick interpreted this radiation as being composed of particles with a neutral electrical charge and the approximate mass of a proton. This particle became known as the neutron.Добавлено на ленту времени:
Дата:
1 янв 1932 г.
Сейчас
~ 93 г назад