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UrduFoundational work opens door to low-heat, low-energy, fast internet
Tag: ACOUSTICS
How to put neurons into cages
Using microscopically fine 3D printing technologies from TU Wien (Vienna) and sound waves used as tweezers at Stanford University (California), tiny networks of neurons have been created
How to put neurons into cages
Using microscopically fine 3D printing technologies from TU Wien (Vienna) and sound waves used as tweezers at Stanford University (California), tiny networks of neurons have been created
Researcher developing cutting-edge solution for wind energy
$1.4M federal grant to help advance work
Researcher developing cutting-edge solution for wind energy
$1.4M federal grant to help advance work
Video — More Than Baby Debuts: Ultrasound Is Used To Deliver Drugs, Treat Tremors
Ultrasound is probably most associated with a parent’s first glimpse of a baby in the womb. However, a new video from the Acoustical Society of America showcases the technology’s abilities to do more than show images of our insides. This video is the second in a series celebrating the International Year of Sound.
Acoustic growth factor patterning
New Rochelle, NY, April 15, 2020–For optimally engineered tissues, it is important that biological cues are delivered with appropriate timing and to specific locations. To aid in this endeavor, researchers have combined acoustic droplet ejection (ADE) technology with 3D printing…
Parents and Teachers: International Competition Encourages Virtual Learning for K-12 Students Inspired by Sounds of the World
The Acoustical Society of America is calling on U.S. students to submit acoustics-related art and lyrics as part of the International Year of Sound 2020 celebration. K-12 students across the U.S. can participate in an international competition for primary, middle and secondary students from all over the world. It is also an opportunity to include an element of STEM education for so many students in need of enriching curriculum while being away from school due to coronavirus concerns.
Researchers create a new acoustic smart material inspired by shark skin
Researchers create smart materials that can mimic electrical devices by triggering different responses to sound
Looking outside the fiber: Researchers demonstrate new concept of optical fiber sensors
Optical fibers enable our era of the internet, as they carry vast amounts of data all around the world. Fibers are also an excellent sensor platform. They can reach over hundreds of kilometers, simply embedded within structures, and can be…
Ship noise leaves crabs too stressed to hide from danger
The ocean is getting too loud even for crabs. Normally, shore crabs ( Carcinus maenas ) can slowly change their shell color to blend in with the rocky shores in which they live, but recent findings show that prolonged exposure…
Virtualized metamaterials open door for acoustics application and beyond
Playing back recorded audio from a digital storage allows us to enjoy music without the physical presence of a musical instrument to generate resonating sound. In a seemingly unrelated area called metamaterials, scientists design different physical structures also resonating with…
In acoustic waves, engineers break reciprocity with ‘spacetime-varying metamaterials’
The NSF-sponsored research could have implications in communications, medicine and other fields
Fragile topology: Two new studies explain the strange electron flow in future materials
Researchers demonstrate how the perfect flow of electrons on the surface of some types of topological insulators can be surprisingly fragile
Fragile topology: Two new studies explain the strange electron flow in future materials
Researchers demonstrate how the perfect flow of electrons on the surface of some types of topological insulators can be surprisingly fragile
Kick Off International Year of Sound with U.S. Opening Ceremony at American Center for Physics on Feb. 13
The International Year of Sound (IYS 2020) is a global initiative to highlight the importance of sound-related sciences and technologies, and the U.S. opening ceremony will be held Thursday, Feb. 13, at the American Center for Physics. Sponsored by the Acoustical Society of America and its Washington, DC Regional Chapter, the ceremony will have presentations about sound-related issues as well as a public showing of a film highlighting how scientists are reducing the impact of noise pollution on the natural world.
Ultrasound selectively damages cancer cells when tuned to correct frequencies
Low-intensity approach targets cancer cells by their mechanical properties and illustrates the promise of the emerging field of oncotripsy
Ultrasound selectively damages cancer cells when tuned to correct frequencies
Low-intensity approach targets cancer cells by their mechanical properties and illustrates the promise of the emerging field of oncotripsy
Move Over Jules Verne — Scientists Deploy Ocean Floats to Peer into Earth’s Interior
The release of more than 50 floating sensors, called Mobile Earthquake Recording in Marine Areas by Independent Divers (MERMAIDs), is increasing the number of seismic stations around the planet. Scientists will use them to clarify the picture of the massive mantel plume in the lower mantel lying below the South Pacific Ocean. This effort will also establish one of the most comprehensive overviews of seismic activity across the globe. Frederik Simons will discuss this international effort during the marine seismoacoustics session of the 178th ASA Meeting.
Stormquakes: Powerful Storms Cause Seafloor Tremors
Stormquakes are a recently discovered phenomenon characterized by seismic activity originating at the ocean floor due to powerful storms. Heavy storms, like hurricanes or nor’easters, can create seismic waves as large as magnitude 3.5 quakes. These tremors caused by the effects of storms on the seafloor are what researchers call stormquakes. Catherine de Groot-Hedlin, who was part of the group that first observed stormquakes, will discuss their properties and meteorological significance at the 178th ASA Meeting.
Fish Scattering Sound Waves Has Impact on Aquaculture
Fisheries acoustics have been studied for over 40 years to assess biomass and optimize aquaculture applications, and researchers in France have examined the phenomenon of how fish scatter acoustic waves in a dense school of fish contained in an open-sea cage. They developed an approach to help overcome issues encountered in aquaculture relating to the evaluation of the total biomass of dense schools of fish. They will discuss their work at the 178th ASA Meeting.
Move over Jules Verne — scientists deploy ocean floats to peer into Earth’s interior
An array of floating seismometers in the Pacific Ocean offer the most comprehensive view of Earth’s interior
Finding Meaning in ‘Rick and Morty,’ One Burp at a Time
One of the first things viewers of “Rick and Morty” might notice about Rick is his penchant for punctuating his speech with burps. Brooke Kidner has analyzed the frequency and acoustics of belching while speaking, and by zeroing in on the specific pitches and sound qualities of a midspeech burp, aims to find what latent linguistic meaning might be found in the little-studied gastrointestinal grumbles. Kidner will present her findings at the 178th ASA Meeting.
Finding meaning in ‘Rick and Morty,’ one burp at a time
Acoustic analysis of belching during speech showcases the cartoon’s rich array of nonword sounds
Finding meaning in ‘Rick and Morty,’ one burp at a time
Acoustic analysis of belching during speech showcases the cartoon’s rich array of nonword sounds
National Park Service Scientists: Does Aircraft Noise Make Birds More Vocal?
National Park Service scientists analyzed nearly 1 million 10-second audio recording samples from national parks across the country and discovered a small increase in bird sound detection when an aircraft sound is also detected. During the 178th ASA Meeting, Kurt Fristrup will present the findings and how human responses to noise might be studied.
ASA, CDC Plan Revamp of Sound-Related Wikipedia Pages for International Year of Sound 2020
As harmful effects of noise are becoming more widely known, popular internet websites are increasingly being used as resources of information. For the International Year of Sound 2020 (#IYS2020), the Acoustical Society of America and the National Institute for Occupational Safety and Health, part of the CDC, took the lead in designing the online event Wiki4YearOfSound2020. The event will facilitate the improvement of Wikipedia content in topics related to acoustics, communication, music, noise and soundscapes.
Atom music lets listeners experience atomic world through sound
By correlating bright lines within the atomic spectra to audible tones, individual atom notes can be identified to create atom songs, allowing us to ‘see’ their music
Deployable human-scale immersive virtual environments?
Immersive virtual environments let us vividly experience and interact with virtual spaces and information, so researchers are working on a deployable version and the ability to get it set up and calibrated easily
Atom music lets listeners experience atomic world through sound
By correlating bright lines within the atomic spectra to audible tones, individual atom notes can be identified to create atom songs, allowing us to ‘see’ their music
Deployable human-scale immersive virtual environments?
Immersive virtual environments let us vividly experience and interact with virtual spaces and information, so researchers are working on a deployable version and the ability to get it set up and calibrated easily
Characterizing whale vocalization can help map migration
The lives of North Atlantic killer whales are relatively unknown; understanding their calls can help answer questions about their behavior
Characterizing whale vocalization can help map migration
The lives of North Atlantic killer whales are relatively unknown; understanding their calls can help answer questions about their behavior
Controlling the optical properties of solids with acoustic waves
One of the main challenges in materials science research is to achieve high tunability of the optical properties of semiconductors at room temperature. These properties are governed by “excitons”, which are bound pairs of negative electrons and positive holes in…
Controlling the optical properties of solids with acoustic waves
One of the main challenges in materials science research is to achieve high tunability of the optical properties of semiconductors at room temperature. These properties are governed by “excitons”, which are bound pairs of negative electrons and positive holes in…
Schedule for ASA Press Conferences with Live Webcasts from San Diego
Press conferences for the 178th Meeting of the Acoustical Society of America will be held Tuesday, Dec. 3, in Hospitality Suite 3103 of the Hotel del Coronado in San Diego. They will focus on research into sounds from virtual reality to the deep ocean and making music from tiny atoms and 3D printing. In addition, 2020 will be celebrated as the International Year of Sound, and a kickoff event will take place during the meeting.
Carnegie Mellon system locates shooters using smartphone video
New analytical tool could aid human rights, public safety workers
Using sound waves to remotely target drugs to tumors
Researchers have combined an ultrafast ultrasound imaging system with ultrasonic tweezers to track, trap and target drug carriers within a phantom blood vessel
Using sound waves to remotely target drugs to tumors
Researchers have combined an ultrafast ultrasound imaging system with ultrasonic tweezers to track, trap and target drug carriers within a phantom blood vessel
Save the Date: Major Scientific Meeting on Sound Next Month in San Diego
The Acoustical Society of America will hold its 178th meeting, Dec. 2-6, at the Hotel del Coronado in San Diego. This major scientific conference brings together interdisciplinary groups of researchers spanning many fields, including physics, medicine, music, psychology, architecture and engineering, to discuss their latest research. Reporters are invited to attend the meeting for free and participate in a series of press conferences featuring a selection of newsworthy research.
Sounds of mosquito mating rituals could lead to quieter drones
Research could also lead to nontoxic method using sound to diminish mosquito breeding
The hidden ability of synchrotron radiation to perform coherent control
Coherent control is a method to manipulate the populations and pathways in matters by light and is currently one of the most attractive research areas in optical physics and photochemistry. Lasers have been considered as unique light source enabling one…
Physics of windshield-cracking raindrops could demolish kidney stones
New models of a phenomenon first seen in the circular cracking of supersonic jet windshields flying through rain could point to better approaches of pulverizing kidney stones
Super light dampers for low tones
A team of Empa acoustic researchers has built macroscopic crystal structures that use internal rotation to attenuate the propagation of waves. The method makes it possible to build very light and stiff materials that can also “swallow” low frequencies very well, as they report in the journal Nature Communicatons.
‘Treasure trove’ of quake clues could be unearthed by wavy new technique
Their technique combines traditional ‘acoustic mapping’ with a newer method called ‘full waveform inversion’. They found their new method enhanced their view of rocks along a fault line – a break in the Earth’s crust – off the east coast…
Seeing sound: Scientists observe how acoustic interactions change materials at the atomic level
By using sound waves, scientists have begun to explore fundamental stress behaviors in a crystalline material that could form the basis for quantum information technologies.
Novel approach to ultrasound raises possibility of new medical applications
A new ultrasound technique provides a non-invasive way of assessing bone structure on the microscale. Researchers hope to fine-tune the technique for use in assessing osteoporosis risk and treatment. Researchers have also demonstrated that a variation of the same technique…
Studying drivers behind cardiac arrhythmias
Visualizing electrical patterns underlying abnormal heart contractions and deformations
Breakthrough enables storage and release of mechanical waves without energy loss
The development may have broad implications for efficient harvesting, storing, and control of energy