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Sunday, July 2, 2017

Wearing Down Your Fingerprints

People who do manual labor, such as construction work, have long been known for wearing down their fingerprints…Many other occupations also have a similar effect, although for different reasons. Musicians such as guitarists can abrade their prints into oblivion; typists may wear them down from so much keyboarding. Even surgeons sometimes rub off their prints from washing their hands repeatedly. The fingerprints don't disappear permanently, but they may not be recognized by biometric access control devices based on fingerprint identification. [Criminals with worn down finger ridges may also leave behind less defined latent prints at crime scenes.]

Marilyn Savant, Parade, December 7, 2014 

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