Articles tagged with Temperature Measurement
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Researchers question Greenland ice core data on Northern Hemisphere temperatures during the Younger Dryas, a period of rapid cooling and warming. The study suggests that atmospheric carbon dioxide levels may have played a role in modulating temperature changes.
Researchers found a data calibration problem in the University of Alabama's temperature record, which has been cited by climate change skeptics. When corrected, the results fall in line with other records and climate models, confirming their agreement on global warming impacts.
A study using NASA satellite data found that the four largest wind farms in Texas experience an increase in land surface temperature over nine years, likely due to turbulence caused by turbine wakes. The warming occurred mainly at night and during times of high turbine activity.
Researchers found that morning temperatures played a significant role in football player deaths, with the eastern US seeing higher heat index values. The study also highlights the importance of proper training and emergency management to prevent heat-related illnesses.
Scientists used X-rays to measure the density of lunar magma at extreme pressures and temperatures. The results show that most magmas are less dense than their surroundings, but a specific type of titanium-rich magma is denser and won't rise to the surface.
Tropical Storm Irwin regained tropical storm status after displaying spotty areas of strong convection in NASA imagery. The storm's cloud top temperatures were measured at -112F, indicating powerful and high winds.
Tropical Storm Banyan (Ramon) is strengthening over the southern Philippines with winds near 40mph. NASA satellite data shows convection growing in area, with cloud top temperatures exceeding -63F (-52C), indicating wind shear from the east.
Physicists from the University of Pisa and the Consiglio Nazionale delle Ricerche have put an end to the debate on the glass transition temperature of water. They found that the magic number is approximately 136 Kelvin (-137 Celsius) using a thorough study of water's dynamics, supporting traditional views and refuting recent claims.
The University of Miami's Stable Isotope Laboratory has acquired new equipment for analyzing stable isotopes using the 'clumped isotope' technique. This method measures temperature with high accuracy, allowing researchers to study past climates and geological processes.
Researchers found temperature differences of a few degrees Fahrenheit between parts of individual cells, which may impact health and disease. The study suggests that cells use differences in temperature to communicate, leading to potential new insights into biological mechanisms.
The new miniature sensors, developed by University of Southampton researchers, can measure ocean temperature and salinity with high precision. The sensors will be tested on an expedition from Australia to Mauritius, providing valuable information about climate change.
Researchers at NIST have developed an electronic technique called Johnson noise thermometry to measure the Boltzmann constant with an uncertainty of 12 ppm. This method has the potential to advance international efforts to revamp the world's scientific measurement system, enabling more precise definitions of units like the Kelvin.
A gas-giant planet orbiting a sun-like star has been found to be rich in carbon, with rocks potentially made of pure diamond or graphite. The discovery challenges conventional planetary chemistry and raises questions about the possibility of life on this extreme world.
Researchers at Rensselaer Polytechnic Institute developed a technique to probe the temperature rise in the vicinity of RF-actuated nanoparticles. The study found that the measured temperature rise was consistent regardless of whether the sensors were mixed with or covalently bonded to the nanoparticles.
A surprising analysis by Climate Central found that July temperatures were cooler than predicted, despite being above historical averages in northeast US cities. The study also highlights the projected long-term warming trend and its potential impact on heat stress and electricity supply.
Professor Minoru Tomozawa has developed a new technique using infrared spectroscopy to determine the fictive temperature of glass, enabling more accurate prediction of its properties. This breakthrough has significant implications for glass manufacturers and researchers alike.
NASA's Aqua satellite captured Bandu's remnants over inland Somalia, measuring cloud-top temperatures with Atmospheric Infrared Sounder (AIRS). The storm dissipated due to cooler waters and higher wind shear in the Gulf of Aden, affecting cities like Garowe and Las Anod.
Physicists have made significant progress in understanding the properties of helium, a key element used in lasers, nuclear reactors, and space exploration. The new findings may enable more accurate measurements of temperature and pressure, benefiting fields such as low-temperature condensed matter physics and metrology.
A rare weather station has recorded daily temperatures for 114 years, confirming a warming climate. The Mohonk Preserve's consistent temperature records show a rise of 2.63 degrees Fahrenheit, matching global measurements and tracking the expected land trend closely.
Infrared Thermal Detection Systems detected fever in patients with high accuracy, identifying patients with temperature above 100.0°F across all age ranges and genders.
Researchers achieve temperature of about 4 trillion degrees Celsius, hotter than the center of the Sun, creating a freely flowing liquid composed of quarks and gluons. This 'quark-gluon plasma' is similar to the substance that filled the universe after its birth 13.7 billion years ago.
Researchers found that Titan's ice is stronger as temperature decreases, allowing it to form an Earth-like landscape. The study used laboratory measurements to understand the impact of cold temperatures on ice erosion.
Researchers create a thermometer capable of measuring temperatures as low as tens of trillionths of a degree above absolute zero. By leveraging the magnetization of atoms in a magnetic field, scientists were able to extract temperature information from easily measurable properties.
Researchers at NIST have proposed a mathematical solution to enable calibration of temperature in microfluidic systems for accurate measurements. The new equations can correct errors introduced by changing reference temperatures, benefiting applications like DNA amplification and chemical analysis.
New research reveals a significant decline in Cascades snowpack due to warming climate, with potential implications for drinking water supplies, fisheries, irrigation, and hydropower. The study used multiple methods to analyze decades-long records of water content in the central Puget Sound basin.
Researchers at NIST have discovered that magnetism plays a crucial role in governing the physical properties of iron pnictides, allowing them to superconduct at high temperatures. The team's findings provide strong evidence for the importance of magnetism in understanding iron-based superconductivity.
Duke University chemists have developed a method to measure temperature changes inside the body with unprecedented precision by correcting a subtle error in MRI theory. This improvement enables accurate temperature mapping, which is essential for hyperthermia cancer therapy and other treatments.
A Kansas State University research team aims to understand the connection between distillers' grains and E. coli O157:H7 in cattle. The study investigates novel strategies to mitigate potential risks, including administering probiotics and feeding brown seaweed.
Researchers at NIST have built a system that measures temperatures with precision, which may help update the definition of the Kelvin. The system uses electrical noise to measure temperatures with accuracy and is simpler than other systems, making it ideal for industrial thermometry labs.
Researchers in Spain have compiled 20th century temperature data to show evidence of climatic change. They found signs of 'pollution' that needed to be removed through homogeneization, a process that ensures the data reflects only climatic evolution.
NASA researchers found that 2007 was tied with 1998 for the second-warmest year on record, with significant warming in the Arctic region. The study used temperature data from various sources and confirmed a strong trend of global warming over the past 30 years.
Researchers at Penn State suggest a canal existed in the quarry, enabling stone transportation, and propose solutions to prevent water damage. Preservation efforts are crucial to protect the site's unique archaeological record.
A new device aimed at reducing deaths and brain damage from hypoxia in newborns will be developed with a $750,000 NIH grant. The device will measure the precise temperature of the brain, allowing doctors to maximize the benefits of therapeutic hypothermia.
2006 was the fifth warmest year in the past century, according to NASA's Goddard Institute for Space Studies. Global temperatures have been increasing steadily, with the greatest warming occurring at high latitudes and most ocean areas.
A study by Cincinnati Children's Hospital Medical Center found that primary care physicians discuss safety devices with parents for less than five minutes, on average. Parents reported being educated about car seats and smoke detectors most frequently.
Researchers analyzed temperature data and tree rings, ice cores, and diaries to establish the spatial extent of recent warming. The study found evidence for periods of significant warmth during medieval times and clearly colder periods during the Little Ice Age.
Researchers found that the temperature of a person who has consumed a beverage can affect the accuracy of oral electronic thermometers. The study suggests that parents should wait for at least 30 minutes to take their child's temperature after consumption.
A recent study published in Pediatrics found that parked cars can heat up by an average of 40 degrees F within an hour, regardless of ambient temperature. This rapid heating can be fatal if left unattended, highlighting the importance of taking children with you when parking.
Researchers analyze data from the 2003 Northern Ireland Life and Times Survey to examine the relationship between in-group pride and out-group prejudice. They find that Catholics are less likely to feel proud of the Union flag, while Protestants tend to identify more strongly with their religious group.
Researchers discovered minimum melting conditions on early Earth, 200 million years after solar system formation, using a new zircon thermometer technique. This finding provides important information about the first eon of Earth's history and opens up possibilities for life's early foothold.
Dr Christine Thomas has discovered a previously undetected seismic layer near the Earth's core-mantle boundary, allowing researchers to measure internal temperatures and study whole mantle convection. The new layer enables scientists to examine the fate of subducted lithosphere and hot material rising from the core-mantle boundary.
Scientists at the University of Illinois discovered a collapsing bubble that reached temperatures of 20,000 degrees Kelvin, four times hotter than the surface of the sun. This result was achieved through sonoluminescence, which generates intense local heating when bubbles in a liquid collapse.
Researchers have devised a thermometer that can measure granular temperature based on the degree of agitation of its component particles. The discovery could lead to better understanding of powders and particulate materials in industries such as pharmaceuticals, food processing, and construction.
A 117-year coastal temperature record at Woods Hole, Massachusetts, shows sustained warming since the 1960s. The data reveals a significant increase in water temperatures during the past few decades, with averages rising by up to 1.2?C over the annual cycle.
A new study using satellite data reveals that the troposphere has been warming at a rate similar to the surface, contradicting previous claims of missing atmospheric warming. The researchers developed a method to separate troposphere temperature trends from those of the stratosphere, revealing a faster warming trend.
Researchers used satellites to create an 18-year record of global land surface temperatures, confirming that snow-free land surfaces have warmed. The satellite data provides a more detailed and comprehensive understanding of climate changes and will improve computer modeling.
Researchers create experimental model of a non-equilibrium system to test the soundness of temperature in a continuously shaken container of tiny beads. They find that temperature follows the expected rules, suggesting that essential information can be extracted from disordered motion in dissipative systems.
Researchers at Los Alamos National Laboratory present a new technology that can practically erase mercury from laboratories, reducing environmental and health hazards. The approach involves replacing mercury-containing devices with alternative instruments, which are less expensive and safer to use.
A study published in Vadose Zone Journal reveals that temperature measurements can accurately determine the rate of water movement towards the groundwater table. This information can help optimize irrigation practices and ensure the long-term sustainability of ground-water resources in the region.
Scientists have made groundbreaking measurements of upper atmosphere temperatures over the South Pole, revealing a significant discrepancy with global circulation model predictions. The findings suggest that wintertime warming due to sinking air masses is weaker than assumed, leading to extreme cooling in the lower stratosphere.
Yellowfin tuna have a carotid rete that acts as a thermal barrier, regulating brain temperature during rapid changes in environmental temperatures. The study found that the heat-exchanger system is effective in minimizing heat loss, but can be adjusted to regulate warmer brain temperatures.
A systematic review found that ear thermometry is not a reliable method for measuring infants' body temperature, with wide individual differences and potential overestimation or underestimation of temperatures. This raises concerns about the accuracy of fever detection and precise temperature measurement in clinical settings.
A team of researchers has found that the continents have warmed significantly over the past half-century, similar to the warming of the oceans, atmosphere, and ice. The study used temperature readings from six continents to reconstruct a temperature history for the Earth's surface over the past 500 years.
The Terra satellite provides daily global measurements of sea surface temperature accurate to within half a degree, surpassing previous satellites' accuracy. This high-resolution data enables scientists to better understand climate change and its effects on the ocean's temperature.
Researchers investigated how nasal volume affects nasal air-conditioning process when subjects lie face-up. The study found that increasing nasal mucosal temperature enhances nose's warming and humidifying abilities, but lying face-up reduces this ability.
Researchers will track subsurface floats to measure temperature, pressure, and oxygen in a region extending thousands of miles west of Africa. By studying these dynamics, they aim to better understand ocean mixing processes and improve climate models.
The TIMED mission aims to study the Mesosphere and Lower Thermosphere/Ionosphere (MLTI), a gateway between Earth's environment and space. The 2-year mission will gather comprehensive global measurements of temperature, pressure, wind, chemical composition, and energy inputs and outputs in this region.
Researchers analyzed growth bands in Antarctic scallop shells to understand climate change, finding a long-term warming trend since the early 1950s. The study also reveals seasonal temperature variations and the impact of glacial meltwater on coastal waters.
Researchers have developed diode-laser-based sensors to measure the properties of gases in industrial processes, such as monitoring combustion, propulsion, and air quality. The technology has shown promising results in detecting carbon monoxide emissions from cars and measuring ammonia densities with high accuracy.
Researchers have measured the comparative bending strength of tiny carbon nanotubes using a technique based on mechanical resonance induced by an oscillating electrical voltage. The study provides information that will help materials scientists select the best variety of nanotube for new applications.