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jan 31, 1897 - Cathode Ray Tube

Description:

The Cathode Ray are streams of electrons observed in vacuum tubes, If an evacuated glass tube is equipped with two electrodes and a voltage is applied, glass behind the positive electrode is observed to glow, due to electrons emitted from and traveling away from the cathode. Invented by Karl Ferdinand Braun

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Shay, Bri, Raina

ByNeshe Bryant
22 Oct 2018
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Date:

jan 31, 1897
Now
~ 128 years ago
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