Harnessing Sweat for Power

August 14, 2014 1:12 PM

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Though some may find it disgusting, sweat is a useful material as performs a necessary for regulating body temperature. It also contains compounds that can provide information about a person thanks to some new research, as reported by the American Chemical Society. The researchers went farther than just creating a sensor though by building a biofuel cell powered by sweat.

When people exercise, the body needs energy to fuel its muscles, and for particularly strenuous activities it activates glycolysis. This process produces the needed energy as well as the compound lactate, and by measuring the amount of lactate, a doctor can determine the person's fitness. Traditiona...

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