Before, 50-year-old Trevor Prideaux had to balance the phone on his arm or put it on a flat surface.
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.
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.
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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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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"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.
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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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.
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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