17 ч 17 мин, 26 янв 1897 г. - J.J. Thomson
Описание:
J.J. Thomson discovered electrons and noticed that and atom can be divided and concluded that atoms are made of positive cores and negatively charged particles within it. His discoveries have helped people today to have a better understanding of the atom and its generic makeup.Добавлено на ленту времени:
Дата:
17 ч 17 мин, 26 янв 1897 г.
Сейчас
~ 128 г назад