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sahadeva

7 months ago

Text says "The Cathoid ray tube is an evacuated glass envelope containing an electron gun and a fluorescent screen, usually with internal and external means to accelerate and deflect the electrons. When electrons strike the fluorescent screen light is emitted."

merielgoround

3 weeks ago

ahaha i want to buy this for my chem teacher. but i dont have 28 to spend on her :(
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