A novel laser-fabricated plasmonic chip combines 185 nm Raman resolution with deep learning to identify and sort cancer cells. The developed sorter achieves precise cell sorting without labeling, using spatially resolved Raman signals.
Researchers from Duksung Women's University and University of Zurich found that adults increase formant frequencies when speaking with aegyo, suggesting a shorter vocal tract. This phenomenon may signal childlike qualities and elicit a protective response from others.
Researchers develop a physics-data co-driven deep neural network that captures underlying physical characteristics of coupled resonant systems using coupled mode theory-generated datasets. This approach enables accurate retrieval of intrinsic resonant frequency, coupling strength, and transmission phase in complex systems.
Researchers at HKUST create a novel chip architecture called 'Layered Acoustic Wave' that enables acoustic devices to withstand high power loads while maintaining stable operation. This breakthrough lifts a decades-old restriction, paving the way for new applications in direct-to-cell satellite communications and 6G networks.
New instruments promise precise measurement and manipulation of tiny nanomaterials used in manufacturing, aerospace and medicine. Researchers can now study the smallest heavy metals with water filters, developing more resilient structures.
A team of researchers at Penn State designed a system that can manipulate sound waves to produce high-quality audio in a precise, private area. The 3D-printed speaker cover uses acoustic metasurfaces to focus sound into a tight 'bubble' that is only audible within a small space.
Researchers developed a new analysis of sound wave behavior, revealing surprising effects that have been overlooked for decades. At high sound levels, the shape of the wave becomes progressively distorted, with crests compressing into narrow spikes.
Researchers analyzed nearly 1,800 Eurovision songs over 70 years, finding three stages of development: formation, consolidation, and expansion phases. Countries like France rejecting dominant trends by leveraging cultural identity, while organisers adjust voting systems to balance popularity and musical scoring.
The new computational violin simulates the physics of string interaction with air, producing realistic sound. Luthiers can tweak parameters like wood type or body thickness before hearing the instrument's response.
Researchers developed meta-earplugs with Helmholtz resonators to address low-frequency sound issues. The earplugs use precise tuning of reflected sound waves to relieve pressure and increase protection.
Researchers found that the visual design of a concert hall significantly affects perceived timbre, with more saturated colors producing colder sounds. Listeners also reported higher liking scores in darker environments, highlighting the importance of considering visual appearance in acoustic design.
The Office of Naval Research (ONR) is honoring the Class of 2026 YIP awardees with approximately $17 million in funding to address critical naval warfighter challenges. The program aims to partner with outstanding early-career academics in science and technology to enhance the capabilities of Sailors and Marines.
Researchers uncover novel mechanism of sound production in boxfishes, highlighting evolutionary transition from mute to vocal species. A comparative anatomical analysis reveals absence of sound mechanism in related Aracanidae family, supporting importance of acoustic communication in fish evolution.
Scientists captured rare view of beaked whales by listening to their natural sounds, revealing deep-diving behavior. The study provides the first detailed description of Gervais' beaked whale dives anywhere in the world.
Researchers developed an EEG-based system to decode pleasure from listener's brain activity and suggest personalized playlists. The system outperformed 'acoustics-only' methods, capturing neural markers of pleasure with high accuracy.
The Arctic is experiencing a rise in human-generated underwater noise due to melting ice and increased activity, disrupting wildlife and local communities. A new study from the University of Bath provides a clear framework for monitoring noise in Arctic waters, urging authorities to revise thresholds used to assess noise levels.
Researchers use smartphone microphones to detect sound waves that can penetrate through rubble, helping locate trapped victims. The method achieved an error of 5.04 degrees away from the hypothetical victim in a field test on a disaster training site.
The Hearing Protection Optimization Tool translates acoustic and psychoacoustic factors into clear visuals, helping users compare different hearing protection devices. The tool matches users with regulatory-approved HPDs based on their noise environment and preferences.
A new study assesses various wall and floor types for their climate impact and acoustic performance, finding that timber outperforms standard steel studs in terms of climate friendliness. The research also highlights the importance of considering both acoustic comfort and environmental sustainability when designing buildings.
Researchers have developed a method to generate and detect sound waves at sub-terahertz frequencies using optically driven devices. The discovery was made possible by launching shear hypersound pulses with exceptionally large amplitudes in metal halide perovskites.
A study conducted in a Japanese ICU found that healthcare workers experience reduced satisfaction and concentration due to poor lighting and excessive noise. The findings suggest that designing ICUs with improved natural light and mitigating noise can enhance worker satisfaction, productivity, and quality of patient care.
A new Concordia University study reveals that office speech levels are shaped by more than personal habits, with physical design and communication type playing a significant role. Real-world speech levels were found to be lower overall than industry standards, highlighting the need for re-evaluation of noise control in office design.
Researchers found that zebra finches categorize calls into about a dozen call-types, similar to how humans hear and group them. The birds' ability to distinguish between calls with similar meaning suggests they have a mental representation of the meaning behind these vocalizations.
A new study links the size of male proboscis monkeys' noses to their unique vocal characteristics, suggesting a significant impact on individual identity. The findings shed light on the complex interplay between anatomy, acoustics, and social behavior in animals, with potential implications for human communication.
Researchers found that manipulating liquid waves can reduce energy transmission through barriers by up to 60%, with a 1.5-millimeter change in meniscus shape causing significant impact
Researchers have developed a metamaterial absorber spanning seven octaves that demonstrates an average absorption coefficient of 0.944, covering the entire audible spectrum. The absorber's compact profile and ultrabroadband performance show promising applications in aerospace noise reduction and precision acoustic environment control.
Researchers developed certified biodegradable and recyclable multi-purpose foams from cellulose, replacing oil-based products. The foams have potential applications in the automotive sector for crash impact energy management and construction as an insulating material.
A new study from Cornell and Ole Miss universities reveals the hidden science of hand clapping, showing that it involves a cavity of air being compressed and pushed out of a small space. The researchers found that the volume and duration of claps can be modified by factors such as speed and skin softness.
A study conducted at a Japanese school found that classrooms with sound-absorbing materials experienced reduced crying rates among young children, who were able to communicate more clearly. The research aimed to raise awareness about the importance of acoustics in educational settings and inspire regulations.
Researchers found that coral larvae settle near speakers in artificial reef environments, suggesting sound as an environmental cue. The study aims to develop scalable strategies using audiovisual remote sensing tools to monitor reef biodiversity.
Researchers at Istanbul Galata University studied the history and architecture of Derinkuyu's ancient underground city to recreate its soundscape. The project aims to provide valuable information for scholars and inspire the design of future underground urban spaces.
Researchers found that plants increase sugar and nectar volume in response to bee buzzing sounds, altering their gene expression. This may be a survival strategy to improve reproductive success by attracting efficient pollinators.
Acoustic metamaterial enables pushing, rotating, and complex movements in 3D. Researchers can now move and position objects underwater without touching them directly, paving the way for applications like remote surgery and drug delivery.
Researchers at Purdue University have developed a metamaterial that can significantly reduce underwater noise generated by offshore wind farm installation. The technology, which uses carefully arranged plates to trap air and guide sound, achieves a 40-decibel reduction in noise levels.
Researchers built a data pipeline to train AI tools for childhood speech screening, addressing the lack of representative datasets. The resulting high-quality dataset enables faster and more accurate diagnoses, especially in areas with limited access to specialists.
Researchers use acoustics to identify corroded UXOs in shallow water, making them difficult to observe with standard sonar imaging techniques. The study helps provide better predictive tools for finding UXOs in civilian environmental demining efforts.
The ETH Zurich researchers have developed SonoTextiles, a novel technology that uses acoustic waves to measure touch, pressure, and movement in fabrics. This allows for accurate health monitoring, such as tracking breathing patterns, with minimal power consumption and high precision.
A study by Trinity Consultants identifies effective means of controlling data center noise, including sound barriers and low-frequency resonators. The goal is to create a quieter breed of data centers that can coexist with residential areas, protecting residents from excessive noise.
Researchers from Brigham Young University and California State University, Bakersfield collected data on Falcon 9 rocket sonic booms to understand their impact. They found that the magnitude of sonic booms can vary greatly with weather conditions, launch time, vehicle trajectory, and time of year.
A new wearable sensor has been shown to effectively monitor obstructive sleep apnea (OSA) treatment response, offering a bridge between consumer wearables and medical devices. The device provides continuous data collection and connects to an app for patients and healthcare providers to share information and make informed decisions.
Researchers discovered that boundary layer ingesting (BLI) engine technology produces two distinct types of broadband noise patterns known as 'haystacking', affecting human perception. The study provides actionable design guidance for quieter engines in electric aircraft and air taxis, aiming to reduce aircraft noise by 65%.
The Institute for Nanoscience at NRL hosted its annual proposal planning meeting to foster intellectual curiosity and build connections among researchers, with a focus on building impactful proposals that could lead to breakthroughs. The event showcased successful project outcomes, including publications, patents, and transition efforts.
A team led by Penn State researchers has developed a method to detect, measure and localize porosity defects inside 3D-printed metal parts using acoustic sensors built into the printing platform. This technique aims to improve efficiency, quality control and reliability of 3D-printed metal parts.
A team of researchers at Kyoto University has found that cells can hear and respond to sound waves, leading to potential applications in medicine and healthcare. The study used acoustic pressure to induce cellular responses, revealing the suppression of fat cell formation and activation of mechanosensitive genes.
Scientists have developed an all-optical activation function based on sound waves for photonic computing, enabling the creation of energy-efficient artificial intelligence systems. This breakthrough could potentially facilitate the scaling up of physical computing systems and pave the way for more efficient optical neural networks.
Researchers have developed a novel method, PEDL, to improve the performance of photoacoustic microscopy. PEDL seamlessly integrates physical principles and domain-specific knowledge into a deep learning model, enabling accurate simulation of physical processes in PAM. This leads to enhanced image resolution and improved accuracy in dee...
Researchers at EPFL have developed a novel acoustic system that can explore condensed matter and their macroscopic properties, circumventing the limitations of quantum phenomena. The system uses sound waves to model quantum probability waves, allowing for direct observation without perturbation.
The study found that the 'pop' sound is caused by sudden expansion of carbon dioxide and air mixture in the bottle, as well as a strong cooling effect, resulting in high decibel emissions. The liquid level rises after opening, causing sloshing due to momentum transfer from the lid hitting the glass.
Scientists have developed a technology called 'audible enclaves,' which can create localized pockets of sound zones where only one person can hear. This innovation uses nonlinear ultrasonic beams to generate a privacy barrier between people for private listening, enabling sound and quiet zones.
A study published in Physical Review Research reveals the intricate physical mechanisms involved in handclapping, including air flow, sound production, and resonance. The researchers found that the size and shape of the hand cavity affect the frequency of the clap, with cupped hands producing lower frequencies.
Researchers developed an AI model that predicts fluidity of videoconferences based on conversational turn-taking, facial actions, and body movements. The model accurately gauged conversations with long gaps in turn-taking as less enjoyable than those with more dynamic exchanges.
Baleen whale species that flee from killer whales produce calls at deep frequencies undetectable to their predators, while others sing higher-frequency songs that are easily heard. This 'flight' vs 'fight' difference influences all aspects of baleen whale behavior, from migration patterns and communication to mating and feeding habits.
Researchers evaluated the noise impact of offshore wind farms on fishes and dolphins in the Pearl River Estuary. The study found that pile driving noise during construction can significantly affect marine animals, with predicted impact zones varying by species.
The EQUSPACE consortium aims to create a scalable solution for silicon-based donor spin qubits, enabling long-term future for Europe's quantum industry. The project will develop materials science methods and atomic modifications to enhance the stability of qubits.
Researchers developed a groundbreaking method to produce ultrathin and ultra-flexible diamond membranes with unprecedented efficiency. These versatile materials enable the creation of innovative devices in fields such as electronics, photonics, mechanics, thermics, acoustics, and quantum technologies.
The Polymathic AI team has released two massive datasets for training artificial intelligence models to find and exploit transferable knowledge between seemingly disparate fields. The datasets include data from dozens of sources, covering astrophysics, biology, acoustics, chemistry, fluid dynamics, and more.
Researcher Ashley Snow found that pipe organs create an auto-tune effect through sympathetic resonance, enhancing the overall musical sound of ensembles. The study used a sine-sweep test to measure response with microphones inside and around the organ pipes during performances and services.
Engineers are adapting jet engines to run on hydrogen fuel, addressing vibrations concerns that could damage the combustion chamber. The researchers' experiments provide a basis for designing efficient hydrogen engines, paving the way for climate-neutral flight.
A new laser vibration sensing technology can detect landmines in the ground much faster than previous techniques, reducing costs and improving safety. The technology uses a combination of laser and acoustic sensing to detect buried objects with greater accuracy.
A machine learning algorithm developed by University of Cambridge researchers can detect and grade heart murmurs in dogs with high accuracy, similar to expert cardiologists. The technology has the potential to empower primary care veterinarians to provide early detection and treatment, improving quality of life for dogs.