HEATKEYS

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

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.

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

Mother Earth News - The Original Guide to Living Wisely

The definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements.

Melting metal with mostly homemade equipment and a small budget. Metalcasting information for building a home foundry in your backyard.

Join the blacksmithing discussion with thousands of metalworkers from around the world.

Voices has information on every topic. Submit your content and get paid.

The Naked Scientists, online, internet science radio show PODCAST. Contains science articles, online science discussion forum, interviews with famous scientists, science book reviews and free MP3 downloads including internet science radio shows and s...

Learn how to do just about everything at eHow. Expert Village is now a part of eHow, adding expert How To videos to eHow, the world

Smooth-On is your source for mold making and casting materials including silicone rubber and urethane rubber, casting resin, plastic, epoxy resin, lifecasting, and more!

MAKE brings the do-it-yourself mindset to all the technology in your life. MAKE is loaded with exciting projects that help you make the most of your technology at home and away from home. This is a magazine that celebrates your right to tweak, hack, ...

Steel and Stainless castings from 10 to 4,500 Lbs for petroleum, construction, transportation, general and marine fields. Low and High alloy, stainless and carbon steels. 900 tons per month capacity.