This kind of test may even find its way in an augmented-reality device like Google Glass by tracking eye movements as an image moves across the field of view, as a recently uncovered patent suggests.
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The device, which had two different sized arms, also sported a single rectangle of glass in front of the right eye.
They walked past thin columns of water at the entrance into an open space, where various objets--an oversize ceramic head and an eye-catching blue glass vessel, for example--sat among high-tech showers, whirlpools, sinks and an oval-shaped toilet, all displayed on pedestals like museum pieces, the better to bring in customers.
Then there is Hangar-7, an eye-popping structure of glass and steel that Mateschitz erected next to the airport in Salzburg, Austria.
Not only does it have eye candy amenities like a glass elevator and porcelain floors, but it also has a long list of green features including a solar heat pool, vent-less fireplaces fueled by bio-ethanol, and thermal glass double-glazed U.V. windows.
Yet all such images depended upon the person in front of the glass, the spoon, the water, the eye.
Ms Jiricna's eye-popping, blue-lit, glass spiral staircase connects the main hall with a new mezzanine floor.
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For a moment I focus on the glass and catch the faint, honest reflection of my eye staring back at me, a lock of gray straggly hair in its way.
Ultra-sharp scalpels used in delicate procedures like eye surgery are still crafted by hand from volcanic glass called obsidian.
Like Google Glass, the Baidu glasses - reportedly known internally as Baidu Eye - consist of a small LCD screen attached to a slim headset.
Their eye muscles adapt, and so should the muscles of people who wear Glass, Peli said.
Or, with Google's much-anticipated Glass connected headset, you'll glance up at a tiny screen above your eye.
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The device has an integrated processor and near-eye micro display, and looks like a slightly bulkier version of Google Glass.
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The following things are prohibited from Thanksgiving touch football: spikes, eye black, sticky gloves, Jets jerseys, running with a martini glass and a lit cigar, Norv Turner.
The Chocolate Factory has the technology for its Google Glass locked down in a patent but it has to collaborate with fashion retailer Warby Parker to make its artificial eye tech look cool, says the New York Times.
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