Tag Archives: Acoustics

Seeking Solutions to Underwater Noise Pollution

Posted on March 1, 2024 by rberkowitz

Kamal Kesour conducts measurements to identify the sources of noise coming from ships passing through the St. Lawrence Estuary in Quebec, Canada, looking for ways to help crews reduce underwater noise. Continue reading →

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Making Alarms More Musical Can Save Lives

Posted on February 22, 2024 by rberkowitz

Medical alarms don’t have to be louder to be more effective. Continue reading →

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Ping-Pong Ball Insulators Can Block Noise

Posted on December 19, 2023 by rberkowitz

Researchers harness acoustics principles to seal out noise pollution. Continue reading →

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Ultrasound Enables Remote 3-D Printing—Even in the Human Body

Posted on December 11, 2023 by rberkowitz

For the first time, researchers have used sound waves to 3-D print an object from a distance—even with a wall in the way. Continue reading →

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Earplugs That Block Out All Sounds

Posted on October 24, 2023 by rberkowitz

A new 3D-printed earplug can absorb physiological sounds made by the body, potentially making it more acoustically comfortable to use than some commercially available earplugs. Continue reading →

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Identifying the Source of a Sound

Posted on January 4, 2022 by rberkowitz

Torben Pastore had careers in rock n’ roll, furniture design, and construction before beginning a research career in psychoacoustics. Now he investigates how humans perceive their acoustical surroundings. Continue reading →

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Ricocheting Waves Pinpoint an Object’s Location

Posted on July 23, 2021 by rberkowitz

An echo chamber captures small-scale information about an object without the need for up-close probing. Read more in APS Physics…

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Tracking Forces with Sound

Posted on February 27, 2020 by rberkowitz

Acoustic emission from a ruptured liquid film reveals the forces that drive the liquid’s flow. Continue reading →

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A broad acoustic bandwidth helps listeners understand fragmented speech

Posted on February 1, 2020 by rberkowitz

High-frequency audibility is critical for understanding speech in crowded social settings. Continue reading →

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Broad bandwidth helps listeners understand fragmented speech

Posted on January 17, 2020 by rberkowitz

High-frequency audibility is singled out as essential for comprehension in crowded settings. Continue reading →

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