Stream College Physics Lectures, Reflection and Refraction Online (Full HD)
But why would light slow down | Visualizing Feynman's lecture on the refractive index
28:34 HD 1080p 2,824,977
8.02x - Lect 29 - Snell's Law, Index of Refraction, Huygen's Principle, Illusion of Color
49:54 HD 1080p 161,196