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J.J. Thomson was born on December 18, 1856 in Cheetham Hill, England.
In 1894, Thomson began studying CATHODE RAYS, which are glowing beams of light that follow an electrical discharge in a high-vacuum tube.
He was able to measure the ANGLE at which they were deflected and calculate the RATIO of the electrical charge to the mass of the particles.
This discovery supported the existing theory that the atom was the smallest fundamental unit.
He studied positively charged ions. Leading to one of his other famous discoveries in 1912, when he made a stream of ionized neon through a magnetic and an electric field which used deflection techniques to measure the charge to mass ratio.
J.J. married one of his students in 1890 and had two kids. He died in Cambridge on August 30, 1940
Mr. Thomson, i'm confused can I stay after class...?
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