Scientists use "black metal" to improve solar energy by 15 times
American researchers from the University of Rochester have used ferrous metal in a new design of solar thermoelectric generators.
Twice the cooling — nanofilms the size of a grain of sand send compressors and refrigerants to the landfill
Scientists from the Laboratory of Applied Physics of the University Johns Hopkins has developed an innovative cooling technology due to solid-state thermoelectric cells.
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