One of the biggest problems with smartwatches is avoiding a dead battery. Whether it's forgetting to plug them in in time or having to fiddle with the unwieldy magnetic disk chargers, keeping a ...

Matrix Industries has unveiled the second generation of its body-heat-powered smartwatch that you don’t have to charge. As long it is touching your skin, the PowerWatch 2 doesn’t need a new charge.

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While this is a fantastic concept and MATRIX Industries should be praised for its innovation, the product itself needs a lot of work before we can recommend it. While this is a fantastic concept and ...

When Matrix co-founder Douglas Tham handed me my review unit of the PowerWatch, I had to fight the instinct to ask for a charger. This thermal-powered wearable doesn't need one -- it gets energy by ...