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Published online 9 January 2003 | Nature | doi:10.1038/news030106-11
News
Rod forest cuts environmental noise
Poles could reduce road, aircraft or factory din as well as solid barriers.
Screens of poles modelled on a minimalist sculpture could cut road, aircraft or factory noise as well as unsightly solid sound barriers, say researchers in Spain.
Juan Sanchez-Perez of the Polytechnic University of Valencia and colleagues made the screens after finding that the regularly spaced metal pipes by Spanish artist Eusebio Sempere on display in a Madrid park, dampen sound waves within a particular frequency band.
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