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Google Glass can tell if you're stressed
It's not always easy to tell when your stress levels are through the roof, and you may not always want to break out a heart rate sensor just to find out when it's time to relax. You might not have to, if researchers at Georgia Tech and MIT have their way; they've developed BioGlass, an Android app that uses Google Glass to determine how frazzled you are. The software measures your heart and breathing rates by checking for tiny movements picked up by Glass' accelerometer, gyroscope and front-facing camera. In theory, you'd only have to wear the smart eyepiece to know when it's time to calm down.
