This webpage, part of a National Aeronautics and Space Administration's site on the electromagnetic spectrum, presents information on infrared light. An explanation of how objects emit infrared is provided, along with a...

Developed by magnet enthusiast Rick Hoadley, this site for middle and high school students is no-nonsense in style. The explanations and experiments on this page are designed around a series of increasingly more complex...

This web page, created by David P. Stern, describes magnetic substorms and storms, their properties, and their relations to charged particle flow and auroras. It includes descriptions of the magnetic field changes in the...

This set of five web pages provides a non-mathematical introduction to the motion of charged particles in magnetic fields. These pages describe the "guiding center motion" which determines the motion of ions and...

This site, created and curated by David Stern, presents the basic ideas of magnetism and applies these ideas to the earth's magnetic field. There are several useful diagrams and pictures interspersed throughout this...