Grab your Visine and prepare to be scanned

New iris scan technology allows you to keep moving.

Sarnoff Labs

Just when you thought it was safe to go back to that club you were thrown out of, they come up with another way to keep you behind the rope.

Touted as a "non-invasive" approach to checking ID, iris scanners rely on pattern recognition of the image reflected from the iris's convex cornea--which, when converted into a digital template, will give you away every time.

The problem with conventional iris scanners is that they require the subject to hold still and submit. Now, a new-fangled unit produced by Sarnoff Labs in New Jersey can reportedly identify up to 20 subjects per minute as they casually stroll through a recognition portal.

The new biometric system, dubbed Iris On the Move (IOM), shoots photos at slightly different distances and in different directions using an array of high-resolution cameras synchronized with an infrared strobe light that blasts the subject's face 30 times per second.

The manufacturer claims that at least one of these photos will result in a clear, high-definition image of the target's iris, which can then be checked against a bad guy database.

You can forget the shades too. Apparently neither glasses, contact lenses, or even goggles will fool the system.

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