If solar startups Alta Devices and Semprius were in the server business, one would be developing a deluxe high-powered server while the other would be stringing thousands of Linux boxes together. Both approaches, though, are showing promise at bringing the cost of solar power down.
Alta Devices today said it set the record for the most efficient solar cell, able to convert 23.5 percent of sunlight into electricity. The University of California at Berkeley spin-out said the efficiency mark, verified by the National Renewable Energy Laboratory, is a step toward commercializing its novel solar technology.
The company is making … Read more