Researchers from Saarland University and the University of Stuttgart in Germany have developed a method for Google Glass-like products to fingerprint or “skullprint” to a user via sound waves that measure the user’s skull. Called SkullConduct, the process plays a broad-frequency audio signal when the device is put on which then resonates and bounces back off the user’s inner ear, returning a uniquely distorted sound wave. If the distorted sound wave matches the one on file with the device, the device will allow the user access. Such a system would make it harder for thieves to use the device without the owner’s permission.
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