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.

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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.

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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.

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It may have been the depth of his feelings, as much as his exploring eye, that makes the architecture so affecting and alive.

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Arty photo effects that use selective focus and short depth of field are actually closer to the truth of the eye.

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Images taken by the Cassini spacecraft provide bird's-eye views of the terrain, with no details about a landform's elevation or depth.

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Since human depth perception relies on calculating the difference between the angle of view coming to each eye, the result is a 3-D optical illusion.

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