New e-skin can better withstand sweat thanks to Japanese paper-cutting technique

But even the high-tech e-skins have a downside: Many of them aren't sweat proof. A person wearing the e-skin might be able to get away with light sweating, as the sweat would vaporize quickly, but the readings from the sensors would start to become imprecise if the person starts sweating profusely. Even worse, the e-skin might detach from the skin or cause irritation.

The team then assessed if the new e-skin could indeed withstand profuse sweating. When a test subject with the e-skins, new and conventional, attached to his forehead ate spicy food, the conventional e-skin started accumulating sweat underneath the surface while the new one showed no change. And when tested for a two-week period, which included exercises at the gym, the new e-skin stayed adhered the entire time.

Yeon said it took many tries to perfect the design -- perhaps a bit more than it should have because he and his team were relatively new to the field."But because we were not a traditional e-skin laboratory," Yeon said,"we were able to look at the field with a fresh set of eyes, coming up with fresh ideas."

InsideScience Big Brother

InsideScience ...and somewhere Elizabeth Holmes emits an unnaturally low-pitched, agonized groan.

InsideScience Make it look cool and convenient for society, and millions will flock not caring what this is all intended for.

InsideScience They'll never create anything that will withstand the awesome power of my perspiration.

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