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Devices such as smartwatches could be powered by little more than the heat of the wearer’s body, if the promise of a California-based startup is delivered, EE Times reports. Matrix Industries has developed the prototype PowerWatch, which it says will not require a battery, as it can draw all of its operating power from a small thermoelectric unit made from a silicon nanomesh that generates electricity from body heat. The company also aims to discuss use applications in the medical and IoT markets.

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