Articles tagged with Measuring Instruments
A Harvard-based study found that children who studied a musical instrument for at least three years outperformed those with no instrumental training on tests of verbal ability, visual pattern completion, auditory discrimination, and finger dexterity. The longer the child practiced, the better they scored in these areas.
Researchers at Texas Instruments have developed a low-cost, portable spirometer using microelectromechanical system (MEMS) technology. The device can measure airflow and volume in a patient's lungs and is ideal for remote monitoring by healthcare workers.
Researchers detected minute geological changes that preceded small earthquakes along California's San Andreas Fault by up to 10 hours using new instruments. The findings suggest a fundamentally different approach to current earthquake warning systems.
A new study suggests that water on the Moon's surface came from volcanic eruptions over 3 billion years ago, rather than vaporization during its formation. Researchers used advanced techniques to detect tiny amounts of water in lunar samples, revealing a significant amount of water in glass beads.
A comprehensive review of facial plastic surgery outcome measures identified 68 instruments, including patient-reported and clinical efficacy measures. The study found that most patient-reported measures were developed in the past decade and had varying levels of validation rigor.
The new monograph Methods of Soil Analysis. Part 5. Mineralogical Methods presents valuable methodologies for analyzing soil minerals, including atomic force microscopy and X-ray absorption spectroscopy. These methods have applications in soil classification, environmental remediation, and nutrient cycling.
A simulation model predicts optimal toll charges to minimize travel time and maximize revenues while reducing traffic jams. The model considers factors such as traveler flexibility and preferences, providing policy makers with a quicker insight into the outcomes of policy measures.
Researchers have used NASA's SeaWiFS instrument to study ocean biological productivity and its connection to climate change, providing insights into the health of the oceans. The data has applications for setting pollution standards, sustaining coastal economies, and predicting future ocean health.
A tiny spectrometer has been designed and demonstrated at NIST, offering precision laser calibration for atomic physics research. The device could replace table-top-sized instruments and improve instrumentation used to measure length, chemicals, or atmospheric gases.
The article highlights the need for effective regulation in markets, arguing that traditional command-and-control approaches are often ineffective. Dieter Helm suggests that market-based instruments like environmental taxes and trade permits can be more efficient and resistant to capture by vested interests.
The National Institute of Standards and Technology has developed a new precision instrument for directly measuring AC voltages, which is expected to improve measurement accuracy by 1,000-fold at low voltages. The instrument uses Josephson junction technology to generate precise AC pulses over a range of audio frequencies.
A new NIST device, called a goniospectrometer, automatically measures the color of light reflected from a surface as well as its dependence on the directions of illumination and observation. This comprehensive tool provides more complete data on reflection of light from a color surface.
A study by University of Toronto researchers found that orchestra musicians are not at risk of hearing loss in the pit, despite playing for long hours. However, individual practice and measures such as earplugs can still help protect their hearing.
Researchers create device that measures forces as small as tens of nanonewtons and ties those measurements to larger forces based on the kilogram. The instrument achieves accuracy to a few parts in 10,000 and aims to extend its resolution to piconewtons.
Scientists tested the Iris effect using CERES instrument on TRMM satellite, finding clouds slightly destabilize climate instead of cooling it. The study challenges recent theory proposing clouds cool the Earth and counteract predictions of global warming.
The University of Rhode Island Oceanographers have been awarded a grant to develop a new RAFOS float, which will improve the measurement of ocean currents. The new float will be constructed at GSO's Narragansett Bay Campus and will meet the needs of other RAFOS float users while keeping production costs low.
The TIMED mission will study the Mesosphere and Lower Thermosphere/Ionosphere region, crucial for understanding space weather's effects on communications and satellite tracking. Ground-based instruments will be used to conduct a global study of this area.
The Cassini spacecraft's Magnetospheric Imaging Instrument (MIMI) has captured the first images of Jupiter's magnetosphere and surrounding particles. These images reveal the presence of a huge nebula enveloping Jupiter, extending out to 13 million miles from the planet.
Scientists from Japan, US, and UK collaborate to build instruments for Solar-B, a satellite studying the Sun's magnetic field and its impact on Earth's climate. The mission aims to understand how magnetic fields interact with the Sun's atmosphere and release energy in solar flares and coronal mass ejections.
For the first time, scientists have measured nitric acid trihydrate crystals (NAT crystals) in polar stratospheric clouds. These particles contain three molecules of water and one molecule of nitric acid and can exist in the atmosphere up to 7° above the ice point.
The continuum fingerboard is a MIDI controller that allows continuous control over each note played, without discrete pitches. It resembles a piano keyboard but has a flat playing surface with soft fabric covering the mechanics, requiring musicians to learn new techniques.
Researchers have found that most of the interstellar dust particles consist of 3-dimensionally cross-linked organic macro-molecules, called polymeric-heterocyclic-aromates. These molecules have been detected in five impact mass spectrometer samples from NASA's STARDUST spacecraft.
A study using satellite instruments reveals that the atmosphere has gotten warmer and wetter over the past decade. Water vapor levels in the atmosphere have increased by 2%, indicating a significant change in climate dynamics.
The High Energy Transmission Grating Spectrometer has made the most precise measurements ever recorded of a star's corona, revealing new insights into stellar behavior. The instrument's success marks a major milestone for modern astronomy, enabling scientists to study the chemical composition and temperature of the corona with unpreced...
The two-year TIMED mission will focus on the portion of Earth's atmosphere between 60 and 180 kilometers above the surface. The spacecraft will measure temperature, pressure, winds, and chemical composition, gaining a better understanding of the dynamics of this gateway region.
Scientists have found that unusually extensive stratospheric clouds over the South Pole contributed to the near-record-size ozone hole in Antarctica. POAM III measurements provide valuable insights into how Earth's ozone layer responds to global temperature changes and decreasing atmospheric chlorine levels.
Researchers are studying the upper levels of hurricanes to understand their mechanics, a shift from traditional middle-altitude observations. This is part of ongoing research to save lives by providing more accurate data on storm intensity and energy exchange.
A novel diagnostic technique uses isotope mass spectrometry to measure T cell proliferation rates in AIDS patients, allowing physicians to establish the proper time for medication and optimal treatment. The technology holds promise for optimizing AIDS therapy and diagnosing other conditions.
A recent review of data suggests that comet impacts on Earth may be random events common to scientific instruments using image intensifiers. Dr. Louis Frank's claims of small comets striking the atmosphere have been challenged by NASA scientist Dr. James Spann, who attributes similar dark smears in images to instrument noise.
Researchers at the University of Washington have developed technology to measure forces and torques in surgical procedures, enabling the creation of more realistic simulators. These enhanced simulators could drastically reduce training time and costs while improving performance.
Researchers at Cornell University have developed a network of instruments to predict and track tsunamis in real-time. The sensors will be placed on the ocean floor in strategic parts of the Pacific rim, including south of the Aleutian Islands chain and along coastal areas of Asia.
Researchers at Pacific Northwest National Laboratory have developed two portable detection systems that can identify strategic metals used to make nuclear weapons. The Material Identification System uses eddy current technology to detect metals, while the Ultrasonic Pulse Echo instrument uses ultrasound to characterize container contents.
The Hayward Fault's southern end has moved at double the rate of its northern portion, causing rocks to be 'piled up' on one side and stretched on the other. This increased strain suggests a magnitude 6 earthquake could occur in the near future.
A new gamma-ray telescope will reveal new views of binary stars, black holes, and pulsars, shedding light on violent stellar explosions. The instrument, built by Columbia physicist Elena Aprile, will measure gamma rays between 300,000 to 30 million electron-volts, helping scientists understand element creation.
Researchers analyze slow earthquake signals at San Andreas Fault, revealing complex picture. The slow process was comparable to that of a regular earthquake, with total displacement across rupture surface of only a few centimeters.
The ACE spacecraft, a NASA mission to study the nature and origin of energetic particles from the sun and beyond our solar system, is nearing completion at the Johns Hopkins University Applied Physics Laboratory. The spacecraft will provide advance warning of powerful geomagnetic storms that can disrupt power grids and communications o...