Popular Science -
3 May 2013 17:00

Look to the iris. Iris scanning as a form of biometric recognition doesn't get as much attention as retinal scanning or fingerprints, but it's got a lot of advantages. Irises don't change over time, like fingerprints can, there's no need for any actual physical contact to get a scan, and it's hard to fool an iris scanner with surgery or other medical alteration. Now, there's one even bigger advantage: you can carry an iris scanner around with you in one hand. Russell Brandom over at the Verge ha...
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