How Stuff Works

October 21st, 2010 by

Explore how everything works from desalination to how off-road vehicles are made. This website is based off the popular Discovery Channel television series How Stuff Works. http://www.howstuffworks.com/

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Khan U Provides Free Math Tutorials

September 20th, 2010 by

Providing world-class education to anyone, this nonprofit uses a library of user-paced exercises to teach any math topic and more. From addition to calculus, practice math skills, and get immediate feedback.
Login with a Google account ID or a Facebook account ID at the login page to start learning now.

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