PAUL RAPSON / SCIENCE PHOTO LIBRARY PAUL RAPSON / SCIENCE PHOTO LIBRARY
Fingerprint scanner. Person's finger being scanned by a fingerprint scanner. This scanner is being used to open a door. The ridges on people's fingers form a unique identifying pattern. This pattern can be stored in a computer and a scanner uses this information to identify people. Security technology based on identifying a person's unique biological data, such as fingerprint patterns, the patterns of the iris and retina, and sequences of DNA, is known as biometric technology.
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