Your own sweat can be used to generate electricity for wearable fitness monitors
Innovative wearable sensors are now capable of converting human sweat into electricity by harvesting lactate, turning a natural metabolic byproduct into a sustainable power source for fitness electronics.
Japanese researchers have developed specialized biofuel cells that generate electricity directly from human perspiration. These devices target lactate, a metabolic byproduct that increases in concentration during physical exertion. When sweat touches the sensor's engineered enzymes, a biochemical reaction triggers an electron transfer that produces a steady electrical current.
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