Water activity is always a hit at my house. This paddle boat is easy to built and fun to play.
Teaching & Science
DIY power. GREAT website! Solar & wind power. Stirling & steam engines. Fresnel lenses. Articles & videos
Off the Grid
Transform grass clippings, food waste and livestock manure into renewable biogas energy with a homemade biogas generator. By Paul Scheckel August/September 2014 A 200-gallon biogas generator in O...
How To Survive
Video response to free energy generator.
Movies I want to watch
wikiHow to Make Your Own Electricity -- via wikiHow.com
3D Solar Towers Could Generate 20x More Energy Than Flat Panels : TreeHugger
The Case for Wind Energy | U.S. Department of Energy
New Indoor Solar Panels & Tesla’s Wireless Electricity Transmission Possible
Biogas generator for the home
Favorite Freedom's Phoenix Headlines
algae to oil