Florida State University
Florida State University: Light and Color: Sources of Visible Light
This site discusses primary lighting sources and gives information on the different properties and spectral characteristics of each. Also includes links to some interactive Java applets.
Kansas State
The Laser Adventure
Kansas State University site explaining all aspects of LASERS. The site is set up as an online book with clickable chapters.
TeachEngineering
Teach Engineering: Laser Types and Uses
Through two classroom demos, students are introduced to the basic properties of lasers through various mediums. In the Making an Electric Pickle demonstration, students see how cellular tissue is able to conduct electricity, and how this...
Science4Fun
Science4 Fun: Lasers
What is a laser? Illustrated discussion of lasers includes how they work and how they are used.