http://www.howstuffworks.com
Hundreds of articles about how things work such as: gas, engines, cell phones, computers, etc.

http://www.invent.org/book/index.html
A large biography collection of American inventors.

http://disney.go.com/cybersafety
Disney provides an entertaining, interactive way to learn about Internet safety for young kids.

http://davesite.com/webstation/html
Beginners can learn HTML through this informative tutorial.

http://www.geocities.com/EnchantedForest/Tower/4241
Parents can help kids develop Internet skills while protecting them from potential risks.