American Institute of Physics - Physics Information NetSite - AIP is the largest organization of physicists in North America. On this extensive Web site you will find online journals and thousands of pages of free and useful information.
Physics Jobs Online - bulletin-board for posting, searching, and finding physics job openings
Physics, THE science - Online resources related to physics, including an educational resource guide.
Relativity, Wormholes, Etc. - Personally maintained web compendium on Relativity, Doppler Shift, Light Speed, Quantum Mechanics, Wormholes, Einstein, etc. All with more links.
The Exploration of the Earth's Magnetosphere - Home page of a detailed non-mathematical introduction to the research on the Earth's magnetic environment in space and its history. Contains master directory of more than 70 related text files.
The Internet Pilot to Physics - links to physics resources online and announcement services for physics related jobs and conferences. One of the most visited science sites on the Internet.