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(Natural News) Your sweat may one day keep your wearable devices running as scientists have recently developed stretchable fuel cells that extract energy from human sweat to power electronics such as Bluetooth radios and LEDs. The biofuel cells produce 10 times more power per surface compared with any existing wearable biofuel cells, the researchers wrote in Energy &... |
from NaturalNews.com http://ift.tt/2ivQtDy
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