Articles tagged with Temperature Measurement
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A new study found that red-backed salamanders have limited ability to adjust to warming climates, with depressed metabolic rates in warmer conditions. This may lead to energy deficits and negatively impact individual growth and reproductive success.
Researchers used lake sediment in the Tibetan Plateau to estimate that high-elevation alpine permafrost will melt faster than arctic permafrost, releasing greenhouse gases and contributing to global temperature rise. The study suggests that up to 60% of alpine permafrost land area may be lost under current warming conditions.
A new study from Karolinska Institutet projects that a temperature rise of 2 degrees Celsius will increase hyponatremia hospitalizations by almost 14%. Women and elderly are particularly vulnerable to the increased risk, with those over 80 years old facing a 15 times higher chance of hospitalization during heat waves.
Researchers warn that deforestation and climate change are exacerbating drought conditions in Brazil's agricultural frontier, threatening soybean yields. The study analyzed changes in hydrology and weather patterns over four decades, highlighting a rise in temperatures, dry days, and decreased precipitation.
According to a new EPFL study, Swiss rivers are at risk of overheating by the end of the century. If greenhouse gas emissions are reduced, river temperatures may only rise by 1°C and discharge decreases by 5% in mountain catchments. Inaction could lead to extreme consequences, including glacier loss and decreased biodiversity.
New Penn State research found that the maximum wet-bulb temperature for humans is lower than previously thought, at around 31°C in warm-humid environments. This finding has significant implications for planning and preparing for extreme heat events.
Researchers have developed a low-cost system called SIFTER that uses advanced algorithms and models to continuously screen for fever in multiple people without requiring human interaction. The system can take temperature readings up to three meters away, producing accurate predictions with minimal disruption to normal activities.
A team of astrophysicists has discovered a new method to measure the cosmic microwave background radiation's temperature at an early epoch of the universe. By observing HFLS3, a massive starburst galaxy, they found a cold water cloud that casts a shadow on the microwave radiation, revealing the Big Bang's relic temperature.
University of Rochester researchers adapt excited state lifetime thermometry to extract temperatures of nanoscale materials from light emitted by nitrogen vacancy centers in single nanodiamonds. The technique allows for precise measurement of temperature changes on fast time scales and is safe for imaging sensitive nanoscale materials ...
A University of Arizona-led team combined tree-ring data with forest inventory measurements to predict future tree growth. The researchers found a 56-91% decline in individual tree growth, leading to less carbon sequestration by Arizona's forests.
Scientists developed an all-season smart-roof coating that automatically switches between cooling and heating, outperforming commercial cool-roof systems in energy savings. The technology uses vanadium dioxide to regulate its rate of radiative cooling, overcoming the problem of overcooling in winter.
Researchers at the University of Illinois developed a new bat box design that provides more thermally appropriate roosting spaces for bats. The 'rocket box' style, with modifications to length and insulation, helps reduce the risk of overheating and provides space for bats to move and avoid extreme temperatures.
A study at the University of Plymouth found that retrofitting an existing building with a green wall reduced heat loss by 31.4%. The study suggests that living walls can provide significant energy savings and help reduce carbon emissions in existing buildings.
A large study found that extremely hot days are associated with a higher risk of emergency department visits for various health conditions. The study suggests that adults of all ages are at increased risk of heat-related health effects, and the risk is more pronounced in certain geographic regions, age groups, and socioeconomic statuses.
A new study reveals that marine species in the Mediterranean are migrating tens of meters deeper to survive warmer temperatures. The research found that cold-water species deepen significantly more than warm-water species, with an average depth increase of 55 meters across the region.
A University of Arizona-led study reconstructs Earth's climate since the last ice age, highlighting unprecedented global temperatures and the speed of human-caused warming. The research combines two independent datasets to create a more complete picture of past temperatures.
Researchers from Utah State University and KAUST found clear acoustic signatures of oil temperature in deep-frying sounds. The unique bubble patterns near the oil surface create distinct noises that vary with heat levels.
A new imaging technique called single-shot photoluminescence lifetime imaging thermometry (SPLIT) measures temperature in 2D, without contact, and in real-time. This technology could improve photothermal therapy and help detect skin cancers.
A new study published in Science assesses updated climate pledges and finds they could limit global warming to 2 degrees Celsius with a 34% chance. Even more ambitious targets would increase the likelihood of staying below 1.5 degrees Celsius.
Large-scale solar farms have a cooling effect on surrounding land, reducing temperature by up to 2.3°C at 100m away from the park boundaries. The study highlights the need for consideration in solar park design and location to minimize negative impacts.
Physicists developed an electrical technique to study the Leidenfrost effect, revealing the temperature at which vapor layers form and collapse. The results show that stable vapor layers can be sustained at 240 degrees Celsius, with a minimum heat of 140 degrees Celsius required for their existence.
Researchers at UEA developed a new method for measuring carbon uptake by Arctic plants, providing insights into the impact of climate change on this process. This study reduces uncertainties in previous assessments and investigates the influence of environmental factors on carbon uptake.
Researchers inverted lunar regolith parameters using microwave radiation data from the Chang'e lunar sounder. The study reveals regolith thickness distribution and provides support for selecting sampling sites for future missions.
New research suggests that record-breaking temperatures will occur more frequently in the tropics due to large and growing populations. The study found that normalized temperature data reveals greater warming and more extreme heat events in tropical regions.
Researchers found that low-to-mid latitude land surfaces cooled by an average of 5.8°C during the Last Glacial Maximum, contradicting previous estimates. The study's findings suggest a higher climate sensitivity to greenhouse gases and potentially stronger future global warming.
Researchers at Chalmers University of Technology have developed a novel thermometer to measure temperatures during quantum calculations with extremely high accuracy. The breakthrough provides a benchmarking tool for quantum computing and opens up experiments in quantum thermodynamics.
A new study found that the transmission risk for schistosomiasis peaks when water warms to 21.7 degrees centigrade, increasing with climate change. Implementing snail control measures can reduce transmission but raises peak transmission risk to 23 degrees Fahrenheit.
Red supergiants are extremely bright but difficult to study due to their complex upper atmospheres. Astronomers have now developed a new technique to estimate their surface temperatures using iron absorption lines. By combining these temperatures with accurate distance measurements, researchers found consistent results with theory.
Researchers found that the black and white tegu lizard's baroreflex mechanism is more efficient at lower temperatures, relying on vascular adjustments rather than heart rate alterations. This discovery provides new insights into the physiology of ectothermic animals and paves the way for further research on novel applications.
Scientists have developed a method to estimate the temperature of chemical reactions activated by plasmons, revealing that properties of plasmons depend on thermal effects and other factors. The study used organic molecules as ultra-small sensors, showing different temperatures for two molecules triggered by plasmon energy.
Researchers developed a powerful tool to map language development and human innovation over thousands of years, including pre-history. The 'linguistic thermometer' uses statistical physics to analyze the evolutionary dynamics of language, revealing how languages change over time.
A team of scientists used ancient marine fossils and gravitational wave astronomy to develop a more accurate palaeo-thermometer for predicting climate change. The improved thermometer uses machine-learning tools to extract temperature from GDGT concentrations with an accuracy of just 3.6 degrees, nearly twice that of previous models.
Researchers argue that NCITs fail to accurately identify infected individuals, with only one person out of 85,000 screened being positive for SARS-CoV-2. Additionally, NCIT readings can be misleading during fever spikes and drops, making it difficult to determine actual fever presence.
A smart ring wearable sensor detected COVID-19 symptoms in participants with subtle or unreported symptoms, suggesting its potential for early illness detection. The device's continuous temperature data and contextualized readings may lead to earlier isolation and testing, curbing infectious disease spread.
Researchers at NIST have developed a miniature thermometer that can measure temperatures below 1 Kelvin, enabling faster and more accurate measurements of chip-scale devices in quantum computing and other fields. The new thermometer is smaller, faster, and more convenient than conventional cryogenic thermometers.
Researchers have developed an ultra-sensitive hybrid nanothermometer that can detect small temperature changes in ambient conditions. The device uses a nitrogen-vacancy center in diamond and a magnetic nanoparticle to measure thermal signals with a precision of 76 microkelvin per second.
The University of Wisconsin-Madison has officially confirmed the lowest recorded temperature in the Northern Hemisphere, a chilly -93.2 degrees Fahrenheit. This extreme reading was first detected in Greenland in 1991 and has been verified through rigorous review processes by the World Meteorological Organization.
A team of scientists has developed a novel method for measuring ultra-cold temperatures using a single, super-cooled atom as a thermometer. This technique allows for the detection of minute changes in temperature, essential for harnessing quantum technologies and reducing noise in quantum experiments.
Researchers developed a novel thermometer based on quantum entanglement that can accurately measure ultra-cold temperatures in clouds of atoms, known as Fermi gases. The new method uses a probe atom to infer temperature by exploiting the unique properties of fermions at extremely low temperatures.
Researchers propose an all-optical method to modulate plasmonic response in graphene and metal-based systems using intense pump beams, enabling ultrafast light modulation. The technique exploits nanoscale photothermal effects to heat electrons, inducing changes in conductivity and optical properties.
Researchers have created a new type of chemical thermometer using spin-crossover molecules to create a nanometric-scale thermal map. The innovation enables the measurement of local thermal processes and improves device design.
University of Wisconsin-Madison engineers developed a new technique to measure temperature beneath the surface of certain materials, called depth thermography. This method uses thermal radiation emitted by objects and sophisticated algorithms to infer temperature not just on the surface but also underneath.
Researchers studied ocean water properties beneath Ross Ice Shelf, revealing four distinct water column regions with varying temperature and salinity structures. The findings suggest the presence of enhanced diffusion, potentially modifying cavity circulation, which is tidally modulated.
A study found that popular methods for judging chicken doneness, such as checking color and texture, are not reliable indicators of safety. Researchers recommend focusing on the color and texture of the thickest part of the meat and ensuring all surfaces reach sufficient temperatures to guarantee safety.
Researchers at Princeton University discovered a common flaw in standard comfort measurements used for building heating and cooling systems. The globe thermometer's calculations do not account for free convection, leading to temperature errors of over two degrees Celsius.
A team of scientists at Ruhr-University Bochum has uncovered the molecular mechanisms behind Yersinia pseudotuberculosis's ability to trigger an infection in humans. By analyzing RNA thermometers, which signal temperature changes, researchers found that deactivated thermometers render the bacteria unable to cause illness.
A new device created by Aalto University and Lund University has set a new standard for measuring the tiniest energies in superconducting circuits. The calorimeter uses a strip of copper one thousand times thinner than a human hair to detect energy changes, providing essential insights into quantum thermodynamics.
According to NASA and NOAA analyses, Earth's global surface temperatures in 2019 were the second warmest since modern recordkeeping began in 1880. The past five years have been the warmest of the last 140 years. Rising temperatures are contributing to mass loss from Greenland and Antarctica and increases in extreme events.
A high-resolution geophysical survey has confirmed the ideal site for drilling a 1.5-million-year-old ice core in East Antarctica's Little Dome C area. The drill site, located 40 km away from Concordia Station, will provide valuable information on the Antarctic climate and greenhouse gases during the Middle Pleistocene Transition.
Researchers developed a tiny thermometer probe to measure temperature inside living cells, revealing quick bursts of heat from mitochondria releasing proton energy. This discovery could lead to new therapeutic targets for obesity and cancer.
A new study finds that climate change could make the Hajj pilgrimage in Saudi Arabia unsafe for participants due to extreme heat and humidity. The study warns that even with mitigation measures, conditions will become harsher and more dangerous, potentially leading to health problems and fatalities.
Researchers detected a large concentration of electron pairs outside key temperature and energy ranges in a copper-oxide material, sparking hope for improving the superconducting properties of cuprates. By leveraging this knowledge, scientists may be able to enhance superconductivity by tweaking parameters or searching for other materi...
Researchers developed a novel laser-based measurement device to quantify rare CO2 variants, enabling accurate tracking of Earth's temperature. This breakthrough technology surpasses mass spectrometry in precision and can significantly shorten measurement times.
Researchers at NIST have developed a portable, stable standards-quality radiation thermometer capable of measuring temperatures to a precision of within a few thousandths of a degree Celsius. The instrument is suitable for applications such as clinical medicine, satellite measurement, and food processing.
Researchers developed a highly-sensitive nano-thermometer that accurately measures temperature at the nanoscale using diamond nanoparticles. The sensor exploits the properties of these tiny particles on the quantum level, enabling non-invasive temperature measurements in biological samples and electronic circuits.
Scientists developed all-dielectric nanoantennas that enable fast temperature-feedback identification of viruses and explosives at low concentrations. The technology allows accurate tracing and control of local temperatures during laser-induced chemical reactions.
Researchers at the University of Huddersfield have developed a new technique to calculate how long it takes for components to stabilize before they can be measured by a Coordinate Measuring Machine (CMM). This reduction in time-lag can lead to significant gains in productivity and efficiency, as well as reduced machine downtime.
A recent study suggests that trees are essential for mitigating the urban heat island effect, with 40% canopy cover required to trigger significant cooling effects. The research found that even small increases in tree density can lead to substantial reductions in temperatures, making tree planting a key strategy for city planners.
Researchers developed a heat-resistant sensor system that precisely monitors industrial drying, baking, and cooking processes. The system improves product quality, optimizes the production process, and lowers energy demands.
A new monitoring method uses thermal stress measurements to identify drought conditions sooner, enabling conservation measures and reducing damage. The method, developed by Duke University researchers, combines surface and air temperature data from thousands of weather stations and satellite images.