iCandy: Data Saves the Day

Gadgets alert us to weapons, the weather, and our workouts

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Photo: Yoshikazu Tsuno/AFP/Getty Images
How can electronic devices tell us apart? There’s fingerprints, iris scans, and face recognition, to name a few. Now some researchers at the Advanced Institute of Industrial Technology, in Tokyo, say they’ve developed a flexible sheet of pressure sensors that can accurately identify a person by the imprint of his or her posterior on, say, the driver’s seat of a car.

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