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31 дек 1894 г. - Albert Einstein-speed of light and Brownian motion, proved atoms and molecules exist
Добавлено на ленту времени:
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By
Camryn Cheever
16 ноя 2018
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0
331
Дата:
31 дек 1894 г.
Сейчас
~ 130 г назад
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