Printable circuits that can work on fabric, plastic and even fruit

Remember iron-on decals? All you had to do was print something out on special paper with a home printer, then transfer it onto a T-shirt using an iron. Now, scientists have developed a very similar scheme, but instead of family photos or logos, it prints circuitry. The method, reported in ACS Applied Materials & Interfaces, can print functional circuits onto items ranging from ukuleles to teacups.

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