New technique 3-D prints electronics on your skin | Science News


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A new 3-D printer constructs a light-up device first by placing an LED on the user’s hand. Then, the printer dots the skin with markers that help it track the user’s motion while it draws a circuit with electrically conductive ink. The user turns the LED on using a metal coil that wirelessly sends power to the 3-D print.

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Video: McAlpine Group/University of Minnesota
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