30 июл 1932 г. - Sir James Chadwick discovers the neutron
Описание:
He discovered that the nucleus contained neutrons as well as protons. The Neutrons had no charge and weighed almost the same as protons.Добавлено на ленту времени:
Дата:
30 июл 1932 г.
Сейчас
~ 91 г назад
