Acoustic Sensors Pinpoint Shooter’s Location in Urban Setting
Modeling and optimizing sensor networks for a specific environment to help missions home in on shooter locations. During a gunshot, two sound events occur —…
Acoustics
How Properties of Mechanical Quantum Systems Can Be Measured Without Destroying the Quantum State
New experimental work establishes how quantum properties of mechanical quantum systems can be measured without destroying the quantum state. Systems in which mechanical motion is…
Massive Hunga Volcano Eruption Created an Atmospheric Pulse That Caused an Unusual Tsunami-Like Disturbance
Hunga Volcano Eruption Provides an Explosion of Data The gigantic January 15, 2022, eruption of the Hunga submarine volcano in the South Pacific Ocean devastated…
Using Sound To Control Enzymatic Reactions
Unhackneyed compartmentalization generated by audible sound allows the enzyme reactions to be controlled spatiotemporally. Spatiotemporal regulation of multistep enzyme reactions through compartmentalization is essential in…
MIT Engineers Develop a Flexible, Paper-Thin Loudspeaker
The flexible, thin-film device has the potential to make any surface into a low-power, high-quality audio source. MIT engineers have developed a paper-thin loudspeaker that…
What Do Bacteria Sound Like? Bacterial Soundtracks Revealed by Nanotechnology
Have you ever wondered if bacteria make distinctive sounds? If we could listen to bacteria, we would be able to know whether they are alive…
New “Acoustic Fabric” Hears Your Heart’s Sounds
Inspired by the human ear, a new acoustic fabric converts audible sounds into electrical signals. Having trouble hearing? Just turn up your shirt. That’s the…
Physicists Discover a Remarkable New Type of Sound Wave
Can you imagine sound travels in the same way as light does? A research team at City University of Hong Kong (CityU) discovered a new…
Killer Whales Lingering in Newly Melted Arctic Ocean, Despite Risks of Ice Entrapment
Melting ice opens new predation ground for killer whales as they spend more time in previously neglected territory. Killer whales are intelligent, adaptive predators, often…
Acoustic Tools Reveal Food Paradox Answer – Shows How Ocean Life Survives
Acoustic tools reveal hotspots of ocean life in scattered places. Ocean predators cannot survive on average concentrations of food found in the water. Instead, they…
Sing On: Certain Face Masks Prevent COVID-19 Transmission Without Distorting Voice
Masks designed for singers prevent COVID-19 transmission, most voice distortion. When singers generate beautiful notes, they can also release harmful particles like the coronavirus. Wearing…
Advanced Echolocation: Bats Use Echoes of Own Vocalizations To Anticipate Location, Trajectory of Prey
Echolocation Builds Prediction Models of Prey Movement Bats are not only using their acoustical abilities to find a meal — they are also using it…
Sound Science: Great Headphones Blend Physics, Anatomy and Psychology
What you like to listen to is also important for choosing the right pair. Between music, podcasts, gaming, and the unlimited supply of online content,…
Blood Microbubbles To Acoustically Detect Oxygen Levels
Acoustic tools detect vibrating microbubbles, act as oxygen sensor. Blood carries vital oxygen through our circulation system to muscles and organs. Acoustic tools can create…
Moth Wingtips Structured To Reflect Sound: An “Acoustic Decoy” To Thwart Bat Attack
Wingtips of certain species of silkmoth are structured to reflect sound and throw off attackers, according to a new study. Researchers at the University of…
What Makes a Voice Attractive? Researchers Find Surprising Differences Between Genders
Voices of reason? Study links acoustic correlations, gender to vocal appeal. What makes a voice attractive? The question is the subject of broad interest, with…
Rattlesnake Rattles Use Acoustic Trick To Fool Human Ears
Rattlesnakes increase their rattling rate as potential threats approach, and this abrupt switch to a high-frequency mode makes listeners, including humans, think they’re closer than…
Olympic Sound Design: 3,600 Microphones and Counting
Professor Joshua Reiss from Queen Mary’s School of Electronic Engineering and Computer Science has written for The Conversation on the audio history of the Olympics…
