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Earth shattering secrets for building winning mouse trap powered cars, boats, racers, and vehicles. Doc Fizzix, your official mousetrap project source.

Watch full episodes of your favorite PBS shows, explore music and the arts, find in-depth news analysis, and more. Home to Antiques Roadshow, Frontline, NOVA, PBS Newshour, Masterpiece and many others.

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

Find hands-on science supplies & lab tools for Chemistry, Biology, and more. Grades K-12 & college. Microscopes, beakers...

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

YouTube is a place to discover, watch, upload and share videos.

Well, I'm your average guy, at least I think I am.

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Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.