Explore Science with Shockwave - A creative use of shockwave technology by Raman Pfaff. He has created a science site with many interactive physics experiments, from sliding down a ramp to tinkering with a solar system. Requires shockwave plug-in. Supported by the National Science Foundation. Fireworks, Half a Dozen Pi's, and the Fourth of July - Estimate the size of fireworks bursts in the sky using a simple formula.
Article includes discussion of physics and math involved.
Fizzics Fizzle - Interactive guide to physics. Flywheel Physics - Flywheel fundamentals. How Things Work - A service providing answers to questions about physics, science, and how things in the world around us work. Companion to the book by the same name. How To Study Physics, the Original Version - A 1955 pamphlet of advice for physics students, with much that's still useful today.