phonons Archives – The Green Optimistic green tech news, since 2008 Fri, 24 Sep 2010 08:40:52 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Silicon Nanomesh Designed by Caltech Serves As Almost-Perfect Heat Insulator https://www.greenoptimistic.com/silicon-nanomesh-caltech-heat-insulator-20100924/ https://www.greenoptimistic.com/silicon-nanomesh-caltech-heat-insulator-20100924/#respond Fri, 24 Sep 2010 08:40:52 +0000 https://www.greenoptimistic.com/?p=10653 All of the electronics devices you use, all the wires, the cars, basically anything using energy heats up and loses part of its useful energy as heat - wasted heat, through well-cooled radiators. Thermoelectric devices have recently suffered technological advances and are now more able to harness the lost heat energy and transform it into electricity. A new material made out of silicon can serve as the ultimate heat insulator and still conduct electricity.

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