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1 янв 1839 г. - Edmond Becquerel found the "photovoltaic effect"

Описание:

The "photovoltaic effect" is that sunlight increases the electricity genrated when two metal rods were in a conductiiiing solution.

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econ

12 ноя 2018

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1 янв 1839 г.

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~ 186 г назад

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