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...

This item is a comprehensive beginning tutorial on generators and motors. Fully illustrated, it explains how current flows through a conductor and how motors change electric energy into mechanical energy. The author...

Spiral Physics is a research based introductory physics curriculum developed at Monroe Community College. There are several important features of this curriculum. It integrates text and workbook activities in a modular...

This web page, created by author David P. Stern, are the lecture notes for a presentation to middle and high school teachers to help teach magnetism. The lectures includes a brief history of the study of magnetism from...

Michael Faraday was the first to realize that the shape of electromagnetic field lines is extraordinarily expressive of their dynamical effects. We can understand intuitively many things about the forces transmitted by...