Redesigned Window Stops Sound But Not Air, Say Materials Scientists
Emerging Technology From the arXiv
July 8, 2013
..the notion of creating a barrier that absorbs sound while allowing the free of passage of air seems, at first thought, entirely impossible....
Noise pollution is one of the bugbears of modern life. The sound of machinery, engines, neighbours and the like can seriously affect our quality of life and that of the other creatures that share this planet.
But insulating against sound is a difficult and expensive business. Soundproofing generally works on the principle of transferring sound from the air into another medium which absorbs and attenuates it.
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