This device harvests power from your sweaty fingertips while you sleep

ScienceDaily
Jul 13, 2021, 12:03 pm85 pts
Researchers have developed a new device that harvests energy from the sweat on -- of all places -- your fingertips. To date, the device is believed to be the most efficient on-body energy harvester ever invented, producing 300 millijoules (mJ) of energy per square centimeter without any mechanical energy input…

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