From beautiful and unbelievable instruments that actually work to even things like an incredible 3D printed pizza made by NASA!
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# 10 3D-Printed Ear
You’ve seen 3D printing make fashion garments and body prosthetics, so it’s not too much of a leap to imagine a 3D printed organ. Scientists at Princeton University designed this bionic ear that can actually hear even better than human ears. The 3D printed cells and nanoparticles with a small coil antenna create the