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Sonic doom: Making a sound barrier

作者:畅沱    发布时间:2017-07-24 04:00:07    

By Jon Cartwright Driven to distraction by the urban din? A sonic crystal or a bubble sandwich could cut out the racket IT IS 3 am. Thud, thud, thud go the footsteps up the stairs. Uh-oh. Sure enough, laughter and music are soon pouring through the ceiling. Even with my head buried under the pillow, bass notes pound through my skull. Eventually I drop off, only to be woken a few hours later by revving engines as the rush hour begins. Being kept awake by noisy neighbours and traffic is maddening. It is not just the mounting resentment that your personal space is being compromised and the stress of trying to deal with it: chronic noise pollution can seriously damage your health too, and it is a growing problem. See gallery: “Sonic doom: Noise in pictures“ So what can I do about it? Short of leaving the city, the only option is to find some sort of soundproofing. There are various kinds on the market, but they seem fairly crude, and anyway they are not that effective against the din of 21st-century urban living. As I settle down for another long night with lumps of wax jammed into my ears, I think surely there must be something more high-tech than nailing thick panels of plasterboard to my walls and ceiling. And what about windows – must I settle for nothing more amazing than double glazing? The next morning I set to work,

 

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