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A Filigree Sound Absorber for All Weathers

Summary by Newswise
Empa researchers have developed innovative sound absorbers made of mineral foams. Not only are they significantly thinner than conventional materials, they can also be designed specifically for different frequencies. They have now been tested for the first time in a driveway in the city of Zurich to dampen street noise.
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myscience.org broke the news in on Thursday, July 24, 2025.
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