Resources for Electromagnetism:

 (thanks, Ms. Lanahan)

 www.howstuffworks.com

(Search for electromagnetism)

www.space.com/businesstechnology/technology/m2p2_winglee_010621.html

http://inventors.about.com/library/inventors/blelectric3.htm

http://inventors.about.com/library/inventors/blelectromagnet.htm

http://www.tcd.ie/Physics/Schools/what/materials/magnetism/top.html

http://history.hyperjeff.net/electromagnetism.html

http://www.si.edu/archives/ihd/jhp/joseph20.htm

http://people.deas.harvard.edu/~jones/cscie129/lectures/lecture5/elecmag_tel/morse_tel.html

http://www.connected-earth.com/Journeys/Howitworks/Telegraph/Howthetelegraphworks

http://dmoz.org/Science/Physics/Electromagnetism/

This site deals more with electromagnetic energy (among other things) but it’s an interesting idea:

http://www.colorado.edu/physics/2000/index.pl