10 BIZARRE THINGS THAT WERE 3-D PRINTED (Must See)

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 cyber ear that can be installed onto a real human and hear radio frequencies a million times higher than our own ears.