Researchers at the Swiss Federal Laboratories for Materials Science and Technology (EMPA) have developed an ultra-thin traffic noise absorber that significantly reduces sound levels while ...

Acoustic metamaterial helps moths avoid being eaten by bats The team then had a closer look at how the sound was absorbed. They removed the scales from the upper side of the wing and discovered that ...

One of the best features of this sound absorber is how little space it requires. Traditional insulation materials tend to eat up valuable inches, limiting where they can be used. This thin, dense ...

Researchers at the Swiss Federal Laboratories for Materials Science and Technology (EMPA) have developed an ultra-thin traffic noise absorber that significantly reduces sound levels while ...