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dec 28, 1855 - J.J. Thomson (1856-1940)

Description:

In 1894, Thomson began studying cathode rays, which are glowing beams of light that follow an electrical discharge in a high-vacuum tube.

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Atomictheory

ByAdam Polacarz

13 Oct 2017

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Date:

dec 28, 1855

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~ 169 years ago

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