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Scientists Made Beautiful Holograms Using Sound

We’re all familiar with holograms, the projected 3D images created by manipulating light. But can you create a hologram with sound? Read more...
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Holograms you can touch, via sound waves

Humor : Boing Boing

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A sonic tractor beam that uses high amplitude sound waves to levitate and manipulate objects in mid-air has been built. Researchers at the Universities of Sussex and Bristol have successfully built a sonic tractor beam using an arra...

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