Consumer Electronics Reviews by c/net
TV, Projector, Camcorder, Camera, Cell phone, mp3 players, etc.
How It Works
Digital Video Signals and Encryption: DVI, HDMI, & HDCP (pdf, 5 pages)
New Technology Batteries Guide (pdf, 64 pages)
Information on batteries, rechargable batteries, and chargers.
A website with more info on batteries, rechargable batteries, and chargers than you want to read.
An illustrated overview.
Recordable DVD Technology
This website provides a more technical explanation of how the dvd recordable technologies work, including duplication, verification, copy protection, and longevity. Also available as 54 page pdf download.