HEATKEYS

For people who want to make things themselves, Autodesk 123D is free 3D modeling software integrated with content and fabrication services.

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Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

art, culture & technology

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The Science and Exploration Directorate (SED), is the largest Earth and Space Science research organization in the world. The SED is a national resource for research in the Earth and Space Sciences. This web site is divided into three core areas: A...

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(by Zahid Siddique)

Wonder How To is your guide to free how to videos on the Web. Search, Browse and Discover the best how to videos across the web using the largest how to video index on the web. Watch the best online video instructions, tutorials, & How-To...