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Lecture 14: Material Modeling (21)

The law of refraction is also commonly referred to in Physics Optics as Snell's Law, and is commonly used to the factors ni and nt represent the factor by which the speed of light decreases when traveling through a refractive medium.


Objects with similar laws of refraction can create an "invisible" effect — for example, if you place Pyrex glass in vegetable oil, the glass will seem to "disappear" as they both have similar refractive indexes


I found it really interesting how in Project 3-2 we could just look up the indices of refraction for different materials and directly implement them in our pathtracing algorithm, effectively allowing us to simulate any material.

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