Magnet Man - Experiments with magnets and electromagnets which can be built and demonstrated; for elementary school through high school classrooms. Can also be a starting point for science fair projects.

http://www.coolmagnetman.com/magindex.htm

Science Snacks About Magnetism - Exploratorium: Science Snacks: Magnetism Snacks.

http://www.exploratorium.edu/snacks/iconmagnetism.html

IEEE Magnetics Society - IEEE Magnetics Society.

http://www.ieeemagnetics.org/

Magnet Formulas - Design formulas for air core solenoid and Helmholtz coil electromagnets.

http://www.netdenizen.com/emagnet

Magnetism - magnetism - FactMonster.com

http://www.factmonster.com/ce6/sci/A0831162.html

Electricity and Magnetism

http://www.galaxy.net/~k12/electric/index.shtml