30
/ru/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
June 15, 2024
1931485
159496
2

1 ноя 1893 г. - J.J. Thomson, in 1897, showed that electrons have negative electric charge and come from ordinary matter by using a cathode rays

Добавлено на ленту времени:

19 окт 2018
0
0
283

Дата:

1 ноя 1893 г.
Сейчас
~ 130 г назад