Ear implant uses electrical impulses to regrow auditory nerves
http://cdn2.vox-cdn.com/uploads/chorus_image/image/32033819/pinyon1HR.0_standard_640.0.jpg Bionics is here to become a reality in the years to come. http://www.theverge.com/2014/4/23/5643244/ear-implant-uses-electrical-impulses-to-regrow-auditory-nerves