Boston University Engineers Have Developed An Aciousic Metamaterial that Blocks 94 per cent of sound when whiling air to pass free. In Tests, a loudSpeaker fitted with the device became inaudible until until the material was removed. Potential Applications Include Reducing Urban Noise Pollution, Silencing Drone Propellers.
Ramesh Ghorai is the founder of www.livenewsblogger.com, a platform dedicated to delivering exclusive live news from across the globe and the local market. With a passion for covering diverse topics, he ensures readers stay updated with the latest and most reliable information. Over the past two years, Ramesh has also specialized in writing top software reviews, partnering with various software companies to provide in-depth insights and unbiased evaluations. His mission is to combine news reporting with valuable technology reviews, helping readers stay informed and make smarter choices.
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