https://www.youtube.com/watch?v=mtVbb_MWNDg
Laser Viewing Tank
https://www.youtube.com/watch?v=NAaHPRsveJk
Total Internal Reflection
https://www.youtube.com/watch?v=Lic3gCS_bKo
Total Internal Reflection Demo: Optical Fibers
https://www.youtube.com/watch?v=dmNOmCQZRE8
TIR in Rainbow?
https://www.youtube.com/watch?v=968gVUAY9Mg
Crazy Material That You Can Make at Home That Actually Bends Light!
Refraction of Light Through a Glass Slab using Laser Beam
https://www.youtube.com/watch?v=el8AUeZaljw