Other
U. S. Army Research Laboratory: The Eniac Story
This site provides a detailed history of ENIAC, the world's first digital computer developed by Army Ordnance to compute World War II ballistic firing tables. Includes specifics on how the computer performed its calculations.
Massachusetts Institute of Technology
Mit: Wearable Computing
Take an academic look at wearable computing with this site from MIT. Check out the research currently going on at the institution, including "fashion shows" of various devices. Also contains "A Brief History of Wearable Computing Timeline".