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 ...

The most exciting thing to buy at Ikea right now? Believe it or not, it just might be a set of curtains. But that’s because these new draps do more than block out light — they also absorb sound.

Oceanographers have discovered that seawater sound absorption will drop by up to 70 percent this century, due to rising atmospheric carbon dioxide causing ocean acidification. As a result, underwater ...

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 ...

Experts at the University of Bristol have discovered that the scales on moth wings act as excellent sound absorbers even when placed on an artificial surface. The researchers, who recently discovered ...

The proposed work enumerates a hybrid thin, deep-subwavelength (2 cm) acoustic metamaterials acting as a completely new type of sound absorber, showing multiple broadband sound absorption effects.

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

Noise barriers made from trees and other plants can provide a respite from unwanted noise pollution. When strategically placed by a roadway, in a backyard, or in a park, trees help reduce pesky noises ...