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by timthelion
3143 days ago
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Advanced fingerprint recognition devices recognize things that are not left on things that you touch. They look under the skin at blood vessel and measure body capacitance and other statistics. That's why there is the weird light on the "biometrics" device in the airport, to be able to see through the outer layers of skin. https://en.wikipedia.org/wiki/Finger_vein_recognition |
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