By Toby Grotz
Declare energy independence this Independence Day, 2014
By RD Copeland
Build your own wind generator for use with 12-Volt systems. Charge up batteries for lighting, fans, tools and more.
Going solar in developing countries, especially in communities that lack access to electricity, is a completely different experience. Here the 3 main reasons why solar is taking off abroad.
The following post summarizes Chapter 7 of the book "Let It Shine The 6000 Year Story of Solar Energy."
With over 2 million devices recycled, plus it's hitting the USA by storm, ecoATM is poised to make an environmental difference with market driven economics.
By David Glenn
Utility companies and solar power companies are vying for customers' business. See how that affects you.
60 years ago scientists at Bell Laboratories developed the first solar cell capable of converting enough sunlight into electricity for practical uses. Their discovery is the greatest breakthrough in the 6000-year history of solar energy, and the sire to today's solar revolution. Let's celebrate!
To see how much solar heat could be trapped by glass, Horace de Saussure, in 1767 built a solar hot box that consisted of several glass sheets covering an insulated box. Solar heat accumulated in the solar hot box, reaching temperatures far above the boiling point of water