This web site contains in-depth notes with examples and practice problems for several topics in introductory physics and astronomy. Some of these topics include classical mechanics, geometric optics, celestial...

This is a great tutorial, by Rod Nate of Georgia State University, explaining what capacitors are and how they work. There are three sections: capacitors, capacitor combinations, and charges on series capacitors. There...

This course is one of the quickStep series offered by Siemens in AC Motors. These are FREE on-line industrial knowledge building tutorials. quickSTEPs are a great start for industry novices moving into technical jobs or...

This course is one of the quickStep series offered by Siemens in AC Drives. These are FREE on-line industrial knowledge building tutorials. quickSTEPs are a great start for industry novices moving into technical jobs or...

This website, presented by India Netzone Electronics, explains the common concepts in electronics from AC/DC circuits, digital logic, magnetism, diode, junction transistor, JFET, and opamps. There are many other...

Remember the silent caterpillar drive from the movie The Hunt for Red October? The caterpillar drive was a fictional magnetohydrodynamic propulsion system. Magnetohydrodynamic (MHD) propulsion is a means of using...

This is arguably the tastiest way to design and learn about electronic circuits: make circuitry snacks! Two of Evil Mad Scientist favorite things in the world are playing with electronics and playing with food, and so it...

Light a light bulb by waving a magnet. This simulation of a Faraday's Law is from the Physics Education Technology website of University of Colorado. It is accessible for teachers and students alike. Included are links...

This page is an index to the interactive Java tutorials developed to help students understand topics in electricity and magnetism. Created by Florida State University, the site contains tutorials about concepts such as...

This site from the Exploratorium provides an examination of Iceland's unusual volcanoes, with their unexpected magnetic fields. The site contains an introduction to the concept of drifting magnetic poles and presents an...