[Science Daily] Physicists propose new filter for blocking high-pitched sounds

[Science Daily]

Physicists propose new filter for blocking high-pitched sounds

Need to reduce high-pitched noises? Science may have an answer. Theoretical physicists report that materials made from tapered chains of spherical beads could help dampen sounds that lie at the upper range of human hearing or just beyond.


https://www.sciencedaily.com/releases/20...130727.htm