1 янв 1900 г. - J.J Thomson
Описание:
J.J Thomson performed many scientific experiments and found the electron. His model was called the "Plum Pudding Model" and his experiment was the Cathode Ray Experiment.Добавлено на ленту времени:
Дата:
1 янв 1900 г.
Сейчас
~ 125 г назад