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user5994461
on Feb 27, 2018
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After rising for 100 years, electricity demand is ...
Offices and shops used neon lights. It lits as well as LED or better, but consumes a lot of power.
pfdietz
on Feb 28, 2018
[–]
Do you mean fluorescent bulbs? They do not use neon, but rather use mercury vapor. The UV light from the mercury excites a fluorescent layer on the inside of the tube, causing broadband emission of visible light.
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