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jan 1, 1879 - Sir William Crookes

Description:

Discovered cathode rays travel in straight lines from the cathode, cause glass to fluoresce, impart a negative charge to objects they strike, are deflected by electric fields and magnets to suggest a negative charge, cause pinwheels in their path to spin indicating they have mass

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Atomic Theory timeline

BySpencer Knight
14 Feb 2019
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Date:

jan 1, 1879
Now
~ 146 years ago

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