New Efficiency Record for Photovoltaic Cells, Thanks to Heterojunction In the medium term, an investment of only $2500 in photovoltaic cells would suffice to provide more than enough electri... Read more
THE Pelican, a small, remotely controlled helicopter drone weighing less than a kilogram, is powered by a battery that provides about 20 minutes’ flying. And yet, one evening last October, t... Read more
Photovoltaic solar cells convert light energy from the sun into electricity. Although significant strides have been made in increasing the efficiency of photovoltaic technology, they usually... Read more
A new solar concentrator design from an electrical engineering Ph.D. student at the University of California, San Diego could lead to solar concentrators that are less expensive and require... Read more
Image via Wikipedia A NEW solar cell that imitates Mother Nature’s way of converting sunlight to energy is making its debut in a variety of consumer products. The technology uses a photosens... Read more
Columbia University and N.Y. engineering firm Weidlinger Associates are developing a layered approach that will draw electricity from the sun’s energy in multiple ways Tar and shingles... Read more