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jan 9, 1997 - Thomson

Description:

In 1897, J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged. In addition, he also studied positively charged particles in neon gas.

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caleb

ByCaleb Luttrell
13 Feb 2020
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Date:

jan 9, 1997
Now
~ 28 years ago
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