Today I Found Out
The Surprisingly Fascinating Way in Which Fluorescent Lights Work and Why They Sometimes Buzz (2020x80)
Air date: Apr 09, 2020
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In this video:
Comprised of a sealed tube coated on the inside with a phosphor powder and filled with (usually) argon and a tiny bit of mercury, the way in which fluorescent bulbs produce light is extremely fascinating.
Want the text version?: http://www.todayifoundout.com/index.php/2015/10/fluorescent-lights-noisy/
Sources:
http://donklipstein.com/f-lamp.html
http://www.physics4kids.com/files/elec_ac.html
http://www.coolmagnetman.com/magelect.htm
https://www.reddit.com/r/explainlikeimfive/comments/2mk4wc/eli5_why_do_fluorescent_lights_make_noise_when/
http://www.standardpro.com/ballasts-info/fluorescent-ballasts/faq#noise-and-ballasts
http://www.improvenet.com/a/how-can-i-stop-my-fluorescent-lights-from-buzzing
http://energy.gov/articles/history-light-bulb
http://electronics.stackexchange.com/questions/61547/negative-and-positive-cycle-of-ac-current-half-wave-rectification-and-full-wave
http://articles.latimes.com/2001/may/19/home/hm-29
http://www.todayifoundout.com/index.php/2012/06/how-black-lights-make-things-glow/
https://www.youtube.com/watch?v=DfNFr-F5eUU
https://en.wikipedia.org/wiki/Magnetostriction
http://www.straightdope.com/columns/read/2110/why-do-fluorescent-lights-buzz
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