Imagine sticking a patch made of flexible electronics on your skin that could read your body temperature, monitor your blood circulation, even tell you when you need to put on sunscreen — and that wouldn't leave the skin underneath it clammy the way Band-Aids do. A team of researchers at Northwestern University in Illinois and the University of Illinois at Urbana–Champaign say they have built such a patch, and it's about the size of a bandage. It's made of plastic and thousands of tiny liquid crystals, not unlike the ones that light up computer and smartphone screens. The device was made to detect changes in the temperature of the skin beneath it; Read More http://ift.tt/1vjVGcM
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