Original Video on 2nd Channel: www.youtube.com/watch?v=zh1E3TbBF1Y Get your 1st Audiobook + 2 Audible Originals Free when you try Audible for 30 days: www.audible.com/smarter or text "smarter" to 500 500 ⇊ Click below for more links! ⇊ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GET SMARTER SECTION Snell's Window en.wikipedia.org/wiki/Snell%27s_window Total Internal Reflection en.wikipedia.org/wiki/Total_internal_reflection An excellent video by the Engineer Guy about how fiber optic cables work: www.youtube.com/watch?v=0MwMkBET_5I Index of Refraction: en.wikipedia.org/wiki/Refractive_index ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Tweet Ideas to me at: twitter.com/smartereveryday Smarter Every Day on Facebook www.facebook.com/SmarterEveryDay Smarter Every Day on Patreon www.patreon.com/smartereveryday Smarter Every Day On Instagram www.instagram.com/smartereveryday Smarter Every Day SubReddit www.reddit.com/r/smartereveryday Ambiance, audio and musicy things by: Gordon McGladdery www.ashellinthepit.com/ ashellinthepit.bandcamp.com/ If you feel like this video was worth your time and added value to your life, please SHARE THE VIDEO! If you REALLY liked it, feel free to pitch a few dollars Smarter Every Day by becoming a Patron. www.patreon.com/smartereveryday Warm Regards, Destin

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