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nov 1, 1800 - Johann Ritter tested the other ends of the spectrum, in which he found that chemical reactions occured fast, which led to 'ultraviolet rays'
Added to timeline:
History of electromagnetism (maxwell findings)
By
Rahul Das
3 Mar 2020
0
0
204
Date:
nov 1, 1800
Now
~ 225 years ago
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