A video camera that powers itselfWed, 15 Apr 2015 10:29:24 EDT
Scientists have invented a prototype video camera that is the first to be fully self-powered -- it can produce an image each second, indefinitely, of a well-lit indoor scene. They designed a pixel that can not only measure incident light but also convert the incident light into electric power. Harvesting energy from electromagnetic wavesTue, 14 Apr 2015 12:58:13 EDT
Researchers have developed a novel design for electromagnetic energy harvesting based on the "full absorption concept." This involves the use of metamaterials that can be tailored to produce media that neither reflects nor transmits any power -- enabling full absorption of incident waves at a specific range of frequencies and polarizations. California's solar incentive program has had only modest impact on adoption ratesWed, 08 Apr 2015 14:16:45 EDT
According to a new analysis, California's aggressive incentive program for installing rooftop solar-electric systems has not been as effective as generally believed. Shifts in electricity generation spur net job growth, but coal jobs declineTue, 07 Apr 2015 12:41:20 EDT
In four years following the 2008 recession, the US coal industry lost more than 49,000 jobs, while the natural gas, solar, and wind industries together created nearly four times that amount, according to a new. Few of the new jobs were added in states hardest hit by coal's decline, particularly West Virginia and Kentucky. Battery energy storage project shows promise for electricity networkThu, 02 Apr 2015 10:14:17 EDT
Scientists have revealed the potential of a new battery energy storage system to reduce electricity prices while improving power efficiency and quality.