Download trial software for teaching electricity, trigonometry and electronics. Qualified teachers can request a free trial CD.

This web site is a basic, non-mathematical introduction to relativity. It covers concepts from Galileo, Newton, and Maxwell through Einstein and special relativity. The site also mentions modern topics such as the...

This article, created by Bruce J. McLaren and Constance H. McLaren from Indiana State University, describes a dataset containing monthly household electric billing charges for ten years. The data can be used to...

This website provides formulas for determining ohms, volts, watts, and amps for direct current, single phase, and three phase alternating current circuits. Site includes a calculator for determining the last two values...

This site from the Exploratorium provides an activity in static electricity. Everyday materials – a Plexiglas™ sheet, a piece of wool cloth, and puffed rice – are used to show the effect of electrical forces between...