The electric current from a flexible battery placed near the knuckle flows through the conductor and powers the LED just below the fingernail.
Credit: 2017 Someya Laboratory
New nanomesh structure lets skin breathe, prevents inflammation. A hypoallergenic electronic sensor can be worn on the skin continuously for a week without discomfort, and is so light and thin that users forget they even have it on, says a Japanese group of scientists. The elastic electrode constructed of breathable nanoscale meshes holds promise for the development of noninvasive e-skin devices that can monitor a person’s health continuously over a long period.
Wearable electronics that monitor heart rate and other vital health signals have made headway in recent years, with next-generation gadgets employing lightweigh...
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