USA - Physicists from the University of Arizona, Tucson, Arizona, have discovered a new way of harvesting waste heat and turning it into electrical power. Using a theoretical model of a so-called molecular thermoelectric device, the technology holds great promise for making vehicles, power plants, factories and solar panels more efficient, to name a few possible applications. In addition, more efficient thermoelectric materials would make ozone-depleting chloro-fluorocarbons, or CFCs, obsolete.
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