In our increasingly noisy world, it can be hard to find some quiet time. Now, a team of mechanical engineers at Boston University has developed a new device that is specially designed to block up to 94 percent of incoming sound waves, while still letting air pass through.
.. Continue Reading Acoustic metamaterial silences sound without blocking airflowCategory: Materials
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from New Atlas (Gizmag) https://ift.tt/2CgsoYK
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