1 янв 1898 г. - J.J. Thomson Electron Discovery, 1898
Описание:
Using properties of the cathode rays, Thomson discovered the electron. He 'proved' his statement by demonstrating that the cathode rays were negatively charged, and that the particles in neon gas are positively charged.Добавлено на ленту времени:
Дата:
1 янв 1898 г.
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~ 127 г назад