Princeton 3D Printed Bionic Ear

As published in the reports of Physics Reports and NANO letters, the scientists now crafted the 3D Printed Bionic Ear by Princeton, which has a very stylish design and easy to carry. This Bionic Ear will help the people of hearing weakness which can be wearable easily to fixing. This ear will be the milestone for making the 3D human parts in future. Princeton has taken the lead to start it.