September 9, 2010
Made from two cardboard boxes, some clear plastic wrap, and a little tape. You can build a nearly free solar dehydrator. Set it on a stool […]
August 15, 2010
In this sunny country, solar energy is an abundant source of renewable energy, making it an obvious choice when seeking alternative sources of energy. Solar water […]
August 14, 2010
There are two main types of collectors used in Solar Geysers: flat-plate collectors and vacuum tube collectors. A flat-plate collector has a transparent cover made of […]