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30 дек 1885 г. - E. Goldstein

Описание:

Used a CRT to study "canal rays" which had electrical and magnetic properties opposite of an electron.

Добавлено на ленту времени:

Scientific method of atom

ByNashua Lovett

11 дек 2018

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Дата:

30 дек 1885 г.

Сейчас

~ 139 г назад

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