The recirculated air usually passes through high-efficiency particulate (HEPA) filters before delivery into the cabin.

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This creates a jet of hot air which passes over an airfoil-shaped ramp channelling its direction.

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Appealing to frequent travelers, the Acer C7 Chromebook also enables users to get online at 30, 000 feet with free Gogo in-air internet passes.

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As an added incentive, Acer has bundled 12 free Gogo in-air Internet access passes, which can be used over a two-year period on U.S. domestic flights.

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As a result there is very little scattering of light as it passes from the air into the layer of nanotubes.

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Among the things he does plan to enjoy, he said, is the sight of Colin Kaepernick's passes floating through the air.

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As the wine passes through the funnel, air sucks into the holes making a sound like a very small jet engine.

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It passes by a heat pump, which is in effect an air conditioner run in reverse.

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At dinner parties, what passes for political talk is not about the presidential primaries or NATO air strikes, exactly, but about what these events will do to stock prices.

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