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Developers think these phase-change materials could reduce the need for air-conditioning.
Evaporative cooling plus drying with desiccants equals cool air for less cost.
GM plans to develop batteries with A123 Systems for its new electric vehicle.
A hybrid refrigerator will bring efficient, cheap cooling to India.
Data centers, under greater demand than ever, are looking to low-power chips as a way to save money—but switching won’t be easy.
By using an electric charge to put molecules in motion, a new device can make a computer’s fans more efficient.