Critique and Commentary on the Science of Star Trek - Scientist working at NASA takes the time to briefly analyze various Star Trek scientific issues. An easy read, and a good one. Elements of Machines - Some simple machines, explained, described and illustrated. Graphs and Figures - An amusing, yet sincere, look at where students go wrong when producing scientific graphs for school, college and degree level work. 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. South High School Physics - Offering help for the high school physics student with dynamic animation examples, problem sets and a comprehensive guide to the material. 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.