3D-Printed Acoustic Metasurface (IMAGE)
Caption
Researchers from Penn State have created a 3D-printed speaker covering that can tightly focus sound waves into a tiny point in space, like a magnifying glass focusing a beam of light.
Credit
Provided by Jee Woo Kevin Kim
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Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND