greg (grysar) wrote,

Sony appears to have solved the whole cutting off the hand to fool a biometric sensor problem

According to the New Scientist Blog (link from Sullivan):

The company's biometric system uses an infrared camera to record the unique pattern of capillaries just beneath the skin, which can only be seen when blood is pumping through them. When this blood flow is cutoff - when the finger is cleaved from the body, for example - the pattern disappears and the finger can no longer be used for identification. Thumbs up to Sony for this one.

I guess good to know that people are thinking about this.
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