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University of Texas at Austin
The University of Texas Mc Donald Observatory: Super Gelatin
Young scholars measure the angles of refraction of laser light traveling through gelatin, then plot their data to calculate the gelatin's index of refraction.
Optical Society
Optical Society of America: Optics for Kids: Total Internal Reflection
An investigation into the total internal reflection of light, using a laser pointer. Accompanied by an explanation of what's happening, a discussion of Snell's Law, and links to additional information.
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