Our workouts may eventually serve a dual purpose—getting us in shape and powering our devices. Researchers developed a flexible biofuel cell for wearable devices that can power an LED and a Bluetooth radio, using sweat as a power source.
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Smashing metallic micro-cubes makes them ultrastrong, glow-in-the-dark dye could fuel liquid-based batteries, and other materials stories that may be of interest for November 23, 2016.
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