Clark University
Clark University: Euclid's Elements
A review of the 13 books of Euclid's "Elements" text can be found here. Each of the chapters are broken down into definitions, propositions, and common notations that are used throughout this overview.
Other
Color Maker
This very useful site allows you to change the color and background patterns of a web page, and then copy the HTML code to your own site. Includes a tutorial, links to other web pages about color design, and links to a TableMaker and a...
Curated OER
Ntnu Virtual Physics Lab: Find the Fastest Path
Chinese-language Java applet illustrating Fermat's principle that light follows the fastest path between any two points. Excellent animation and accompanying text. Relates Fermat's principle to Snell's law.