This Novel Material May Help Soundproof Your Life

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To do so, a team led by material engineer Andrea Bergamini of Empa arranged 10 small aluminum cylinders on an aluminum plate just a millimeter thick in a periodic manner. This type of structure has been around for some time and is called a phononic crystal — an artificially created material made by arranging certain elements to control the flow of sound. The size and specific position of the ...

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