Evaporation-powered motor and light
Scientists designed shape-changing composites that used evaporation to power locomotion and generate electricity.
Scientists designed shape-changing composites that used evaporation to power locomotion and generate electricity.
Photovoltaics added value to homes in six markets, according to a new report. They engaged a team of seven appraisers from across the six states to determine the value that solar photovoltaic systems added to single-family homes using the industry-standard paired-sales valuation technique, which compares recent sales of comparable homes to estimate the premium buyers would pay for PV.