n an electromagnet (as on a tape recorder) that converts electrical variations into magnetic variations that can be stored on a surface and later retrieved
Man implants magnetic headphones, becomes music cyborg If high-quality headphones are too big and bulky for you -- or ruin your marvelous hair -- and you're sick of having to replace earbuds every few months because the wires inevitably break in some fashion, Rich Lee has a solution for you. He implanted magnetic headphones into his ears.
July 4, 2013 - ExtremeTech