Noise cancelling device halves noise pollution through open windows (NTU)
Sometimes there's nothing like a nice breeze from an open window, but in the city that can come with an unwanted side order of street noise. Inspired by the kind of noise-canceling tech used in headphones, researchers at Nanyang Technological University, Singapore (NTU) have developed a window-based system that can actively cut noise coming from outside. (…)
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