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
Coming Soon: Cheap light rooftop solar you can install yourself. Lloyd Alter Lloyd Alter (@lloydalter) Energy / Renewable Energy October 8, 2014 - Christian Hoepfner with roof
Air Well - collecting water from the air (homestead forum at permies)
eco house y arquitectura bioclimatica
algae to oil
3D Solar Towers Could Generate 20x More Energy Than Flat Panels : TreeHugger
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
Flexible Solar Panels
Domestic Solar Panels
Biogas generator for the home
Favorite Freedom's Phoenix Headlines
How to See Sound - Simple Science Experiment for kids using 5 items you probably already have in your kitchen. #CoolScienceHQ #ScienceExperiments #Science