Refraction of Light Demonstration Applet Manipulate the variables in the refraction process in this applet
from Brigham Young University, Department of Physics and Astronomy.
(Requires a Java enabled browser.) http://wigner.byu.edu/LightRefract/LightRefract.html
Concave Mirror: An Experiment by Drawing
Instrction Resources rom Carson City - Crystal High School in Carson
City, MI. Hypercard application providing information and indepth explanations
of concave mirrors, reflections, and refraction in Spanish and English http://www.carsoncity.k12.mi.us/~cpeirce/b23a.html