- WebPhysics
- Physics 2000 interactive simulations
- The MegaPenny Project a concrete visual representation of orders of magnitude
- How Things Work
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The Exploratorium
This is the Web site of the Exploratorium museum in San Fransisco. There are good Web matierials on the science of sports. - The Physics of Football (Soccer, that is)
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Peter H. Dana's Global Positioning System (GPS) Overview
This site includes many useful diagrams that facilitate understanding this very three dimensional system.
Among many other things, this site hosts a Lighning Primer, giving history and technical details.
CPEP produces educational materials on topics of modern physics, including fundamental particles and interactions, fusion/plasma physics and nuclear physics.