why-fluorescent-lights-buzz-and-the-surprisingly-interesting-way-they-work

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Interactive video lesson plan for: Why Fluorescent Lights Buzz and the Surprisingly Interesting Way They Work

Activity overview:

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In this video:

In this video, we're looking at the surprisingly interesting way in which fluorescent light bulbs work and why they sometimes make a buzzing sound.

Want the text version?: http://www.todayifoundout.com/index.php/2015/10/fluorescent-lights-noisy/

References:

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

Image Credit:
https://en.wikipedia.org/wiki/File:Magnetic_Ballasts_1.jpg

Tagged under: today ,tifovidz12,tifo,awesome,facts, ,fluorescent lights,science,science facts,physics,interesting science,interesting physics,engineering,engineering facts,fluorescent bulb

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