When each eye sees very similar, but different versions of an image, the brain thinks it is seeing depth, or three dimensions.

VOA: special.2010.01.26

A signal from the TV tells each side of the glasses when to turn on and off, showing each eye slightly different images that create the sense of depth.

VOA: special.2010.01.26

Techradar runs this story on its application for a patent for eye tracking to create 3D depth, an area Samsung is also pursuing through its relationship with the Russian Academy of Science.

FORBES: Apple Turning From Innovator To Fast Follower Before iPhone 5S

We've already spent some time interacting with the company's new depth-camera and eye-tracking technology, but now we wanted to dig deep to understand the thinking behind the system and what technical and practical limitations that need to be addressed before we can get to the computing future of Star Trek.

ENGADGET: Intel's Mooly Eden: 'Voice will do to touch what touch did to keyboards'

The original iteration of Move was an ingenious design: PlayStation Eye locked onto the glowing sphere via calibration and then judged depth owing to the size of the sphere in its 2D field of view.

FORBES: Connect