Smart tattoo generates electricity from sweat, could power future wearable computers

Tattoo
Joseph Wang, a researchers from UCSD, has now come up with a way to generate power for these devices without using any external equipment. The secret is to harness electrons from lactate acid secreted in sweat.

The original article can be found here: http://www.extremetech.com/extreme/188088-smart-tattoo-generates-power-from-sweat

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