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4 quick stories on the rack · #biometrics · TechWhy Face Unlock Fails in Bright Sunlight
Your phone reads your face with infrared light, not visible light. Noon sun overwhelms that system, and a few …
SISana Iqbal↗
4 minWhy Damp Fingers Break Fingerprint Authentication
A thin film of moisture turns your fingerprint into a featureless smear. The physics behind failed mobile paym…
SISana Iqbal↗
4 minWhy Fingerprint Sensors Fail More in Winter
Cold, dry skin reshapes your fingerprint's geometry enough to fool the sensor. The fix takes 40 seconds and al…
SISana Iqbal↗
5 minFace ID in the Dark: Infrared Dot Mapping Explained
Your phone fires 30,000 invisible laser dots at your face to read its 3D geometry. The darkness is irrelevant,…
LPLeo Park↗