Researchers at Lawrence Berkeley National Laboratory have fabricated silicon nanowires with "thermoelectric" properties, that is, the ability to convert heat to electricity. Since most of today's power sources lose vast amounts of waste heat-15 trillion watts annually, by some estimates-the ability to turn some of this heat into power would improve power plant economics and lessen the need for new generating capacity.
For more information on thermoelectric technologies read more from Research News.
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