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Categories: Environmental: Wildfires, Physics: Acoustics and Ultrasound
Published Researchers shine light on rapid changes in Arctic and boreal ecosystems
(via sciencedaily.com) Original source Arctic and boreal latitudes are warming faster than any other region on Earth.
Published CO2 worsens wildfires by helping plants grow
(via sciencedaily.com) Original source By fueling the growth of plants that become kindling, carbon dioxide is driving an increase in the severity and frequency of wildfires, according to a new study.
Published Fires pose growing worldwide threat to wildland-urban interface
(via sciencedaily.com) Original source Fires that devastate wildland-urban interface areas are becoming more common around the globe, a trend that is likely to continue for at least the next two decades, new research finds. Such fires are especially dangerous, both because they imperil large numbers of people and because they emit far more toxins than forest and grassland fires.
Published Caller ID of the sea: Tagging whale communication and behavior
(via sciencedaily.com) Original source Biologists use a novel method of simultaneous acoustic tagging to gain insights into the link between whale communication and behavior
Published Unintended consequences of fire suppression
(via sciencedaily.com) Original source A new study reveals how fire suppression ensures that wildfires will burn under extreme conditions at high severity, exacerbating the impacts of climate change and fuel accumulation.
Published New ultrasound technology may revolutionize respiratory disease diagnoses
(via sciencedaily.com) Original source By evaluating sound vibrations produced by the airflow induced within the lungs and bronchial tree during normal breathing as well as those produced by the larynx during vocalizations, doctors can identify potential disease-related abnormalities within the respiratory system. Researchers demonstrate the efficacy of ultrasound technology to detect low-amplitude movements produced by vocalizations at the surface of the chest. They also demonstrated the possibility of using the airborne ultrasound surface motion camera to map these vibrations during short durations so as to illustrate their evolution.
Published What kinds of seismic signals did Swifties send at LA concert?
(via sciencedaily.com) Original source Seattle may have experienced its own Swift Quake last July, but at an August 2023 concert Taylor Swift's fans in Los Angeles gave scientists a lot of shaking to ponder. After some debate, a research team concluded that it was likely the dancing and jumping motions of the audience at SoFi Stadium -- not the musical beats or reverberations of the sound system -- that generated the concert's distinct harmonic tremors.
Published Would the highly sensitive transparent ultrasound transducer revolutionize biomedical imaging technology?
(via sciencedaily.com) Original source A team develops an ultrasensitive broadband transparent ultrasound transducer.
Published Shape-shifting ultrasound stickers detect post-surgical complications
(via sciencedaily.com) Original source Gastrointestinal surgeries carry risk of fluid leaks, a potentially life-threatening complication. But no existing methods can reliably and non-invasively detect these leaks. To address this unmet need, researchers developed a tiny, soft, flexible sticker that changes in shape inside the body, enabling standard ultrasound tech to detect leaks for earlier detection and intervention. After the patient has recovered, the soft, tiny sticker simply dissolves away.
Published Doctors can now watch spinal cord activity during surgery
(via sciencedaily.com) Original source Scientists can make high resolution images of the human spinal cord during surgery. The advancement could help bring real relief to millions suffering chronic back pain.
Published Advanced noise suppression technology for improved search and rescue drones
(via sciencedaily.com) Original source Unmanned Aerial Vehicles (UAVs) are beneficial in search and rescue missions during natural disasters like earthquakes. However, current UAVs depend on visual information and cannot detect victims trapped under rubble. While some studies have used sound for detection, the noise from UAV propellers can drown out human sounds. To address this issue, researchers have developed a novel artificial intelligence-based system that effectively suppresses UAV noise and amplifies human sounds.
Published New cardiovascular imaging approach provides a better view of dangerous plaques
(via sciencedaily.com) Original source Researchers have developed a new catheter-based device that combines two powerful optical techniques to image the dangerous plaques that can build up inside the arteries that supply blood to the heart. By providing new details about plaque, the device could help clinicians and researchers improve treatments for preventing heart attacks and strokes.
Published 2020 extreme weather event that brought fires and snow to western US
(via sciencedaily.com) Original source The same weather system that led to the spread of the devastating Labor Day wildfires in 2020 brought record-breaking cold and early-season snowfall to parts of the Rocky Mountains. Now, new research is shedding light on the meteorology behind what happened and the impacts of such an extreme weather event.
Published Study finds drought fuels invasive species after wildfires
(via sciencedaily.com) Original source Scientists uncover the intricate dance between drought, wildfires and invasive species in Southern California's coastal sage scrub ecosystems.
Published Pythagoras was wrong: there are no universal musical harmonies, new study finds
(via sciencedaily.com) Original source The tone and tuning of musical instruments has the power to manipulate our appreciation of harmony, new research shows. The findings challenge centuries of Western music theory and encourage greater experimentation with instruments from different cultures.
Published Cooler, wetter parts of Pacific Northwest likely to see more fires, new simulations predict
(via sciencedaily.com) Original source Forests in the coolest, wettest parts of the western Pacific Northwest are likely to see the biggest increases in burn probability, fire size and number of blazes as the climate continues to get warmer and drier.
Published Wildfires linked to surge in mental health-related emergency department visits
(via sciencedaily.com) Original source A new studyshows wildfires lead to an increase of anxiety-related emergency department visits in the western United States, amplifying the concerning parallel trajectory of two escalating public health crises -- mental health and climate change.
Published Fundamental equation for superconducting quantum bits revised
(via sciencedaily.com) Original source Physicists have uncovered that Josephson tunnel junctions -- the fundamental building blocks of superconducting quantum computers -- are more complex than previously thought. Just like overtones in a musical instrument, harmonics are superimposed on the fundamental mode. As a consequence, corrections may lead to quantum bits that are 2 to 7 times more stable. The researchers support their findings with experimental evidence from multiple laboratories across the globe.
Published Scientist shows focused ultrasound can reach deep into the brain to relieve pain
(via sciencedaily.com) Original source Scientists have found soundwaves from low-intensity focused ultrasound aimed at a place deep in the brain called the insula can reduce both the perception of pain and other effects of pain, such as heart rate changes.
Published Photonics-based wireless link breaks speed records for data transmission
(via sciencedaily.com) Original source Researchers demonstrated a 300 GHz-band wireless link that was able to transmit data over a single channel at a rate of 240 gigabits per second. The wireless communication system employs signal generators based on lasers that have ultra-low phase noise in the sub-terahertz band. This rate is the highest so far reported at these frequencies and is a substantial step forward in 300 GHz-band communications for 6G networks.