Our ears may have built-in passwords - tech - 13 April 2009 - New Scientist

[dracodraconis]

Our ears may have built-in passwords - tech - 13 April 2009 - New Scientist

UK researchers are examining the potential of using otoacoustic emissions, sounds generated by the cochlea, as a way of verifying a person's identity. The sounds are only detectable by ultra-sensitive microphones and additional work is required to determine if the method can be used to identify individuals with any degree of accuracy.