Reflection-refraction

Overview:

A simulation which explores reflection and refraction from air to glass and from glass to air, including total internal reflection.

You may change the:

* Index of refraction of the glass
* Angle of incidence
http://inspire.eun.org/index.php/P2-13-6
http://www.upscale.utoronto.ca/PVB/Harrison/Flash/Optics/Refraction/Refraction.html