HEATKEYS

Electronic Engineering Times is the industry resource for news, analysis, design ideas & solutions, products, education, & engaging with the EE community.

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

We are living on solar power. We live in a passive solar home, use solar water heating, solar cooling, solar electricity and solar tracking. We share info and videos about how we do it.

Mother Earth News - The Original Guide to Living Wisely

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, ...

MTM Scientific Inc offers kits, plans and products for experimenters and hobbyists.

Mike

Cleantech innovation: We are as gods, so we might as well get good at it.