Video: Listening to music through your teeth…of course…this makes perfect sen…wait…what?

This is the first prototype for the wireless MP3 Play-a-Grill. Bone conduction hearing happens by sonic vibrations traveling through bones that are close to the cochlea. Because teeth are embedded in the jaw, that is very close to the cochlea, any amplified sonic vibration can be heard. In this video the oscillations of a motor are responding to the frequency of the music being played through it, when bitten the teeth oscillate also, allowing a person to hear. Making this prototype is very easy, just connect the leads of a motor to a headphone jack. For more information go to