JJ discovered the Electrons (1 янв 1897 г. – 31 дек 1897 г.)
Описание:
In 1897, J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged. In addition, he also studied positively charged particles in neon gas.Добавлено на ленту времени:
Дата:
1 янв 1897 г.
31 дек 1897 г.
~ 12 months