John Schaeffer discusses solar energy improvements over the last 30 years, as long as Real Goods has been in business. Visit: www.realgoods.com or http for more info.

An Israeli Researcher Has Come Up With Affordable Solar Energy Technology Chan And in the midst of Israel’s Negev desert, a researcher is building an affordable solar energy system. Our Israeli correspondent went to meet him. Professor David Faiman is a dedicated solar energy researcher. He has invented an affordable energy collecting system. The size of the photovoltaic cells are two thousand times smaller than the conventional systems. The sun rays are collected from a glass dish onto the …