ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Biometric fingerprint. Computer artwork of a hand and a fingerprint (upper centre). Fingerprints are the patterns of ridges on the tips of the fingers. They have combinations of features that are unique to individuals, and can be used to identify them. It is one of the oldest forms of biometrics, where body measurements are used to identify people. The more recent forms of biometrics include eye scans. Computer technology (which uses ones and zeros in a binary code to store data) has allowed the data in fingerprints to be digitised, speeding up the processes of comparison and identification.
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