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jan 1, 1873 - Willoughby Smith found that selenium had photoconductive potential

Description:

Photoconductivity is when an object becomes more conductive from aborption of electromagnetic radiation, light ultrviolet rays or visible light.

Added to timeline:

7 months ago
0
0
59
econ

Date:

jan 1, 1873
Now
~ 146 years ago

Images:

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