polaritons-cooling-technique

New Polariton Refrigeration Technique Provides New Way to Cool Electronic Devices

Polariton refrigerator could chill tiny semiconductor devices Physics World, May 15, 2015. Image credit: geralt A new method for using light to cool solids has been created by physicists in France and Germany. The technique uses quasiparticles called “polaritons” to remove vibrational heat from a tiny piece of semiconductor, and unlike previous optical cooling schemes […]

building efficiency

Mapping a Building’s Energy Efficiency

New Tool Maps Buildings’ Energy Efficiency Voice of America News, February 26, 2015   Architects, engineers and building managers will soon be able to quickly collect data about building interiors that once took weeks to measure and process. A backpack-mounted device, developed by a group of scientists at the University of California, Berkeley, will require […]