Researchers describe an acoustic meta-surface that uses pingpong balls, with small holes punctured in each, as Helmholtz resonators to create inexpensive but effective low-frequency sound insulation.
Sounds that are lower pitched are less studied than other types. Some say it’s a health hazard. Others have doubts. By Lourdes Medrano/Undark Published Apr 17, 2024 8:00 AM EDT This article was ...
Written by Bernard D. Beitman M.D. and Ruslana Remennikova, MS. Since the beginning of human civilization, history has shown a correlation between sound and cognitive, mental, and physical wellness. 1 ...
Ultrasound has long been used for helping doctors see inside the body, but focused high frequency sound waves are offering ...
From growls to booms, whales, fish and crustaceans all produce sounds. Selecting the gregarious Goliath grouper, researchers deployed a novel automated detector and localization model to find ...
It’s the feline equivalent of Kryptonite — and no, we’re not talking about catnip. We’re talking about the odd, high-pitched noise of “pspspsps.” If a human dares whisper this strange sound, a cat is ...
From factory automation to healthcare, ultrasonic sensors enable precise monitoring of distance, depth, and fluid levels.
Baffling bottle noises and perfect pitches with a pipe-a-phone!
Low-frequency sounds that are undetectable by the human ear can make people dance more, a new study finds. And those people may be unaware it's even happening. When you purchase through links on our ...
When pregnant women sing to their babies or listen to music on loudspeakers during their pregnancy, babies are born with a better ability for neuronal encoding of speech sounds. This is one of the ...
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