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GET SMARTER SECTION
Snell's Window
https://en.wikipedia.org/wiki/Snell%2...
Total Internal Reflection
https://en.wikipedia.org/wiki/Total_i...
An excellent video by the Engineer Guy about how fiber optic cables work:
https://www.youtube.com/watch?v=0MwMk...
Index of Refraction:
https://en.wikipedia.org/wiki/Refract...
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Destin
What Happens To Lasers Underwater? - Smarter Every Day 219 ─ SmarterEveryDay
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