In everyday life, designing spaces that both let air flow and absorb sound can be a tricky balancing act. Usually, materials that allow air to pass through—like vents—also let sound escape, making it ...

Many asymmetric absorbers are currently based on a single-port system, where sound enters one side and is absorbed before a rigid wall. In this design, however, light and air are unable to pass ...

Heavy curtains made from thick material such as velvet are often needed to keep noise out of indoor environments, but Swiss researchers have come up with another option. The Empa researchers, in ...

If you live in a city, near a highway, or an airport, you may be bothered by a variety of low-frequency noises emitted by cars and airplanes. Research results have been announced that ``ping pong ...

This latest accomplishment joins the company’s previously secured ASTM certifications, enhancing the features and expanding the end-uses for its microalgae-based bio-cement and bio-concrete. BOULDER, ...

In case you’re sensitive to noise and look for a discreet way to solve the problem in your apartment or office building, for example, the so-called Feltone [JP] might do the trick for you. Developed ...

Good fences make good neighbors, but putting up a picket fence inside a small apartment to help keep the peace between two roommates just isn’t an option. As an alternative, Ikea, which has been all ...

Nov. 6 (UPI) --The fur on the thorax of some moths absorbs the sound waves emitted by bats and their sonar systems, making them harder to detect, according to new research by scientists at Bristol ...