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...

Spectra is a website illustrating how astronomers use spectra to understand what stars are made of, their structures, and their evolution. The page begins with an introduction to the electromagnetic spectrum and then...

This is a link to an abstract of the article. Users must login to view the entire article. The Foundation Coalition at Arizona State University offered for the first time a novel upper division integrated course in...