This webpage, from HyperPhysics at Georgia State University, contains an introduction to the Fresnel lens, a design that vastly reduces the amount of glass required for large lenses. The lens is described and diagrams...

This site, created by Michael W. Davidson of Florida State University, is a large collection of educational materials for optics and microscopy. The site contains a timeline of events in optics, short biographies of...

This website displays an article in the Harvard Gazette about slowing the speed of light. The article focuses on the work of Lene Hau who originally brought the speed of light to a stop. The later part focuses on...

This site from Public Broadcasting Service provides a hands-on activity for students to explore perspective with the famous "Distorted Room". The page contains a procedure, links to work sheets, and a materials list. ...