Set the flat end on a perfectly flat surface, and a bubble of air points straight up.
What if all you needed to tap, swipe and type on was a flat surface and projected light?
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Before, 50-year-old Trevor Prideaux had to balance the phone on his arm or put it on a flat surface.
Racing helmets must guard riders against a 14-mph crash onto a flat surface, or a fall from approximately six feet.
Thankfully, this should be less of an issue if you place the dock on an airplane tray, or some other flat surface.
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With two seats facing each other, one passenger would take the top bunk and the other would fold the two seats into one lie-flat surface.
The system is not only attractive and clever, but is also uniquely designed to fit on the relatively flat surface of a watch dial and movement.
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To simplify (a lot) the tri-gate transistor allows power to flow over three surfaces of a tall and narrow silicon fin, rather than over a flat surface.
They'd balance a spoon-shaped piece of magnetic rock on any flat surface, and since it was magnetic, the handle would swivel to align itself with the Earth's magnetic poles.
When placed on a flat surface, the stack redirects the waves such that reflected waves are exactly as they would be if the stack were not there at all.
You can move the handset (and its front-facing camera) up and down as it speeds along any flat surface, responding to commands from someone on the other end of a Skype video chat.
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Light Blue Optics, a tiny technology company in Cambridge, England is developing a portable projector that can turn any flat surface into a touch screen and save our hands the hassle of holding anything.
FORBES: Meet The Projector That Could Put The iPhone's Screen On Your Desk
The bright Leeds sunshine and flat surface gave little assistance to the bowlers, but England's fielding in general was unusually lax and tactics with the ball that previously proved so effective did not work.
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The angular edges from before have been banished, replaced by a profile that curves up to meet a few millimeters worth of flat surface that then curves back again to meet the glass up top.
"How the sound reflects off this reflecting surface with this composite object on it - which is pretty big and has a cloaking shell on it - really reflects... just like a flat surface does, " Dr Cummer said.
Because peregrine falcons don't build nests but lay their eggs on a flat surface, officials with the Port Authority of New York and New Jersey started protecting the eggs several years ago by building nesting boxes on the George Washington and the other bridges the authority operates.
Ponting won the toss and opted to utilise what looked like a flat batting surface to compile an intimidating total for his opponents.
Using the Sokka unit basically involves kicking a ball against a flat playing surface containing a number of electronic sensors that monitor accuracy and technique.
To get a valid Stimp reading with the old model requires a relatively flat run of putting surface 12 to 14 feet long.
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While the top and bottom edges are straight, the sides gently taper from front to back, widening to a flat 7.8mm surface at the phone's thickest point.
While the screen's surface is completely flat, the edges curve around gently, forming a rounded back.
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Levels are devices that tell us whether a surface is totally flat or resting at an angle.
Essentially a network of tiny wires, it features a larger surface area than flat electrodes, giving it the leverage it needs to convert more electricity in a smaller form factor.
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There was no visible wood grain in the print, and its shape indicated it was taken from a curved surface, not a flat one.
The company's engineers are confident that their modified chip-design software will allow previously flat circuits to be wrapped around the surface of a sphere.
The projection provided a solution to a puzzle that had troubled mapmakers since the world was recognized as a sphere: How does one represent the curved surface of the globe on a flat chart?
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Dr. DAVID BLACK (Marine Biologist, Scripps Institution of Oceanography): About 50 percent of the earth's surface is made up of these big, flat plains of mud we know so little about.
The surface of the hepatitis C protease turned out to be flat.
CDM's imaging system, it passes first through conventional optical elements, and then through a lens moulded into a shape of a cubic-like function (ie, with a surface which, instead of being spherical, is relatively flat in the centre but has scalloped edges).
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