More On Fingerprint Readers

This week’s WSJ.com/AWSJ column (subscription only, I’m afraid) is about biometric fingerprint readers. Microsoft’s new offering seems to have reinjected some vigour into an otherwise obscure corner of the market. As I say in the column, I’m not convinced that fingerprint scanners are the way to go, not least because of tested methods of fooling …

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Fingerprint Readers And Baths

Something I’ve noticed about biometric fingerprint readers. They don’t work well after a bath. Why is that? Are our fingers different after a bath? I mean, they look different — all wrinkly, for one thing — but why does that mess up the fingerprint reader? I do my best thinking in the bath, and it’s …

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