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acoustic waves

09/13/2018 / By Edsel Cook

Novel device reflects sound back to its source, rather than deflecting it at an angle

When a wave of light or sound or similar energy hits something, it is usually deflected at an angle off the surface of the object. Rarely does it bounce back right towards its point of origin. North Carolina-based engineers have come up with a device that can reflect sound waves back to their sources, an […]

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