The potential to create ultrathin sound absorbing panels has huge implications in building acoustics. As cities get louder, the need for efficient non-intrusive sound mitigation solutions grows.

For example, acoustic sprays -- which can be used on any surface to create a porous, sound-absorbing layer -- can significantly improve the comfort of buildings under renovation without changing ...

However, with Prometheus Materials’ bio-cement and bio-concrete products, such facilities can incorporate sound-absorption capabilities without additional cost, safety concerns or other drawbacks.

Some moths aren’t so easy for bats to detect. The cabbage tree emperor moth has wings with tiny scales that absorb sound waves sent out by bats searching for food. That absorption reduces the ...