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

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The HowStuffWorks Auto Section contains articles about everything from engine workings to classic cars. Learn about cars on HowStuffWorks Auto.

We’re developing open source industrial machines that can be made for a fraction of commercial costs, and sharing our designs online for free. The goal of Open Source Ecology is to create an open source economy – an efficient economy which increa...

Free Energy Motors and Generators, The Fuelless Engine, Alternative Energy by Creative Science and Research

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Steve Redmond classic ultralight boats: boat plans, rowing shell, ultralight row, sail, pocket cruiser sailboat designs for backyard builders

Homesteading Today is an online forum and community of individuals who are getting back-to-the-land practicing sustainable, agricultural, ecologically sound, do-it-yourself, self-sufficient lifestyles.