Thanks for the post, Diane! I'll add your links to the sidebar (over there --> )
I've also got some more stuff for you guys,
For those interested in delving deeper into electronics, you can learn the basics (and "advanceds") of electronic circuitry at allaboutcircuits.com/ I think they make it pretty easy to understand.
Center for New Media and Audio Technologies - Berkeley - Berkeley's online searchable resources for all kinds of technology (relating primarily to audio). May be useful for people.
Some things to look for/consider: using different kinds of materials to create sensors, circuits, switches, etc.
Another thing to look into: Muscle Wire (this is the stuff they used to make those dresses contract