You will become the voice of the password through Google Glass

Bio-metric technology is becoming increasingly popular, the time in which fingerprint scanners and facial recognition has joined us as life.
It does not hear the voice of the person on the spectrum, but the device's microphone can detect it.
It may seem odd to read or hear, But you can lock or unlock a device from thinking, but it's actually a scientist in Germany trying to improve the security.

Bio metric technology is becoming increasingly popular, the time in which fingerprint scanners and facial recognition has joined us as Life. This special group of scientists used the skull's inner movement seeks to log-in password.

Scientists have created a setup, which is basically a modify Google Glass headset is used to generate sound, a sound person on the spectrum do not hear it, but the device is able to detect this microphone. It conducts sound through the speakers of bone occurs as an audio signature generated passes through the human skull.