World's Smallest Vein Sensor For Secure Access To Laptops

Instead of scanning fingerprints to determine a person is who they say they are (unless they're holding someone's dismembered finger, naturally), Fujitsu's vein sensor does the job... only in a much smaller device, measuring just 29mm wide, 11.2mm tall and 29mm thick.

In fact, the hand doesn't even have to touch the sensor, with a small wave over it being enough to identify the person by snapping up to 20 photos and cross-referencing them with stored images of the user's hand, according to Fujitsu. It could be added to laptops or even mobile phones in the future, as a means to a very secure end. Unless you're holding someone else's recently dismembered hand, naturally. [Fujitsu via UberGizmo]

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