Imagine a world where you can effectively block sound without the need for bulky and sometimes costly insulation. A game-changing technology is making this possible – a unique material that can block ...

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 ...

Acoustical comfort is a critical element of interior design that should never be neglected, especially in shared spaces such as restaurants, convention centers, museums, sports halls, and many others.

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 ...

Sound absorption Incoming acoustic waves induce relative movements among the fibres, initiating the triboelectric effect within overlapping regions. The generated charges are dissipated through ...

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 ...

From echoing hallways and idling buses to boisterous band practices and shop classes, schools have long been known as noisy environments. Beyond the sounds produced by occupants and vehicles, ...