인공적인 무언가가 영원할 거라 생각하는 사람들이 usually 행하는 common low-intelligence behavior Scientists Have Invented Light-Up OLED TattoosTattoos are usually considered a form of personal expression, but a team of researchers in Europe have created what they're calling the world's first light-emitting tattoo based on OLED screen technology that, besides presumably looking kind of cool, could also serve as a visible warning about potential health concerns.https://gizmodo.com/scientists-have-invented-light-up-oled-tattoos-1846379012
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