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Associated Press
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!['It's very inspiring to see how these [hair-like] structures occur in nature and how they can achieve different functions,' says Jifei Ou, a graduate student in media arts and sciences at MIT. 'We're just trying to think how can we fully utilize the potential of 3-D printing, and create new functional materials whose properties are easily tunable and controllable.' Pictured is an example of 3-D printed hair.](https://img.ien.com/files/base/indm/ien/image/2016/06/3d_printed_hair.576815a452cbf.png?auto=format%2Ccompress&fit=crop&h=167&q=70&rect=0%2C0%2C950%2C533&w=250)








