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MIT's 3D motion-tracking tech can see you through walls, no camera needed
Even if you hide behind a wall, MIT's 3D motion-tracking tech can still see you. It can even tell if you've "fallen and can't get up." Sure the tech sounds invasive, but the team's WiTrack (as it's been dubbed) device is actually less intrusive than Microsoft's Kinect -- there's no camera watching your every move. Nor is there any wearable tech involved. Instead, the setup relies solely on a wireless network and your body's ability to bounce back those radio waves.
