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jul 15, 1841 - The Photovoltaic effect was discovered.

Description:

Edmond Becquerel discovers the photovoltaic effect while experimenting with an electrolytic cell made up of two metal electrodes placed in an electricity-conducting solution—electricity-generation increased when exposed to light.

Added to timeline:

9 Feb 2018

Date:

jul 15, 1841
Now
~ 182 years ago