Headphones can be so easy to lose -- but not when you have them implanted in your ears.
That's what Rich Lee decided to do. Inspired by an Instructables tutorial on how to make invisible headphones using magnets and a coil necklace with an attached amplifier, the 34-year-old entrepreneur went a step further and implanted one such headphone in each ear.
The magnets sit on the outside of the tragus, the part of the ear that projects immediately in front of the canal. The magnets function as speakers, and the coil around Lee's neck transmits to them. … Read more