Articles tagged with Heat
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers at Oregon State University have successfully prototyped a new energy technology that captures and uses low-to-medium grade waste heat from various sources. The system achieved an impressive 80% conversion efficiency in turning wasted heat into cooling capability, outperforming current approaches.
Researchers discovered that light-capturing pigment molecules can be triggered by heat, producing false alarms. The study found that red-sensing pigment triggers false alarms most frequently.
Researchers have discovered that quantum entanglement can create a cooling effect when deleting data, which could be used to mitigate heat generation in supercomputers. By understanding the connection between information theory and thermodynamics, they found that entropy is a lack of knowledge that can be exploited for cooling purposes.
Researchers at NASA's Goddard Space Flight Center have developed an electrohydrodynamic (EHD)-based thermal control technology that promises to make it easier and more efficient to remove heat from small spaces. The technology, which uses electric fields to pump coolant through tiny ducts, could benefit a wide range of applications, in...
Researchers at MIT have found a way to manipulate the electrical and thermal properties of materials by changing external conditions such as temperature. The technique can change electrical conductivity by over 100 times and heat conductivity by threefold, making it suitable for various applications including electronic circuitry and t...
Researchers at MIT have developed a new system for harnessing the sun's heat to generate electricity, producing power with an efficiency roughly eight times higher than previous devices. The system uses flat, stationary panels and eliminates the need for tracking systems, making it potentially less expensive to produce.
Assistant Professor Tom Vandervelde of Tufts University has been awarded a $400,000 NSF Career Award to continue his research on thermophotovoltaics. His goal is to make these cells more efficient at lower temperatures, enabling applications in medical devices and sustainable energy solutions such as cooling data server farms.
A team of researchers from Denmark and Japan have developed a new technology to convert waste heat into electricity using oxide materials. The project aims to integrate the technology into existing systems and reduce CO2 emissions, potentially enabling the use of thermoelectric material in various applications such as cars and stoves.
Researchers at Northwestern University have developed a material that can harness electricity from heat-generating items with 14% efficiency, a scientific first. The material, composed of nanocrystals of rock salt in lead telluride, reduces electron scattering and increases energy conversion efficiency.
The measured magnetic field strength of 25 Gauss is significantly stronger than the 5-Gauss weak field or the 100-Gauss strong field that would imply large radioactive decay contributions. The result constrains heat sources in the core, with the outer core likely producing 60% of the planet's power.
Scientists have discovered a class of materials that can convert heat to electricity and vice versa exhibit an 'opposite-direction' phase transition at the nanoscale in response to temperature changes. This phenomenon is linked to the emergence of fluctuating dipoles, which impede the movement of heat through the material.
Researchers propose a new branch of aerothermodynamics to study attached boundary layer flows, focusing on unsteadiness in vehicular environments. They have explored principles using simple models and investigated interaction characteristics between temperature and velocity fields.
Scientists have demystified glasses by analyzing the behavior of a metallic alloy as it cools down. The findings suggest that glassy states can be unfrozen and refrozen by changing temperature, contradicting previous theories on strong and fragile liquids.
A system is being developed to capture heat from a car's exhaust, reducing fuel consumption by up to 10% through thermoelectric generators. The technology uses heat difference to generate electricity, promising improved fuel economy and reduced emissions.
Saturn's southern hemisphere emits more energy than its northern one, with variations seen in the planet's seasons and years. The Cassini CIRS instrument reveals Saturn is not losing power evenly, providing a new understanding of the planet's internal heat source.
Researchers at MIT have made a major step forward in fusion energy by studying the plasma edge. By reducing the steady-state power conducted to the wall, they have found that redistributing exhaust power through impurity radiation is a viable option for future fusion reactors.
Scientists at MIT find molecular mechanism for storing and releasing heat on demand, enabling potential for rechargeable batteries and fuel, and opening door to more abundant materials.
Virginia Tech engineers have received funding to investigate ways to reduce emissions from vehicles and improve fuel economy. They aim to develop thermoelectric materials that can convert waste heat into electricity, increasing gas mileage and reducing pollution.
Researchers detected a massive star's supernova in 2007, which appeared as a hot dust cloud instead of the typical explosion. The astronomers suspect this was more common early in the universe and may be related to the brightest star system in our galaxy.
Scientists have observed Alfvén waves in the solar wind that point perpendicular to the magnetic field, efficiently transferring energy to protons. These waves play a crucial role in heating protons and explaining the solar wind's temperature changes.
Physicists at the University of Arizona have developed a new way to convert waste heat into electrical power using quantum physics. The technology holds great promise for making various devices more efficient and reducing ozone-depleting chemicals.
Researchers have developed tiny devices that convert waste heat into electricity using pyroelectric nanowires. The devices can generate an electrical current in response to temperature changes, offering a potential solution for powering small devices and biological applications.
The new technology, thermo-spintronics, could enable integrated circuits that run on heat instead of electricity. Researchers discovered that two pieces of the material do not need to be physically connected for the effect to propagate from one to the other.
Researchers at NIST create a laser power detector coated with the world's darkest material, a forest of carbon nanotubes that reflects almost no light. The new detector will be used for precision measurements in advanced technologies like optical communications and solar energy conversion.
A new solar energy conversion process called photon enhanced thermionic emission (PETE) has the potential to surpass existing photovoltaic and thermal conversion technologies. The process excels at higher temperatures, making it ideal for use in solar concentrators.
Researchers have developed a new ultrathin cooling technology that can efficiently cool 'power electronics' in military and automotive systems. The miniature device uses copper spheres and carbon nanotubes to passively wick a coolant, handling up to 550 watts per square centimeter of heat.
A new study using a global model confirms that implementing cool roofs and pavements in cities can cancel the heating effect of up to two years of worldwide carbon dioxide emissions, equivalent to taking 300 million cars off the road. This can help delay warming and mitigate global climate change.
Researchers at Purdue University have developed a new type of heat pump that can maintain efficiency in extreme cold climates, cutting heating bills in half. The innovation uses a scroll compressor and precise refrigerant flow control to reduce energy losses.
A new high-temperature heat pump technology has been developed to tap into geothermal energy sources, providing a renewable and inexhaustible energy supply. The system uses waste water from geothermal wells, reducing dependence on fossil fuels and CO2 emissions in European towns.
Researchers are creating a Subsurface Thermal Energy Storage (STES) system to store waste energy underground, cutting heating and cooling costs and reducing carbon emissions. The system uses natural insulating properties of underground sediments and conventional heat pumps to achieve higher efficiency than traditional HVAC systems.
Researchers at NCAR suggest that half of the heat believed to have built up on Earth is unaccounted for due to inadequate measurement tools. The scientists call for additional ocean sensors and better data analysis to track the flow of energy through the climate system.
Researchers found that supported graphene retains exceptional thermal conductivity of up to 600 watts per meter per Kelvin near room temperature. This is significantly higher than copper and silicon thin films currently used in electronic devices.
Researchers at MIT have discovered a new phenomenon that causes powerful waves of energy to shoot through carbon nanotubes, enabling the production of electricity. The discovery has led to the creation of a system that produces energy about 100 times greater than an equivalent weight of lithium-ion battery.
Researchers at MIT have developed a method to transform polyethylene into a thermally conductive material, outperforming some metals in thermal conductivity. The new process involves aligning polymer molecules to enhance heat transfer efficiency.
The James Webb Space Telescope's five-layer sunshield was subjected to a series of tests using a 1/3-scale model to verify its ability to block and redirect solar heat. The experiments aimed to match computer models with test data, ensuring accurate thermal performance predictions for the full-size sunshield.
A city can mitigate urban heat island by employing shade, smart material choices, and digital simulations. Canopies, lighter colors, and thermal properties are key tools in alleviating the UHI.
Phononic Devices partners with OU for breakthrough thermoelectric technology, promising increased efficiency in power generation and waste heat removal. The $3M ARPA-E grant enables further development and commercialization of the tech.
Researchers found urban heat islands to be less intense in arid and semi-arid regions with more vegetation. The study used NASA's Terra and Aqua satellites to assess the impact of urbanization on energy balances at Earth's surface.
Researchers at MIT have developed a new technology that can convert waste heat into electricity with an efficiency of up to 90% of the Carnot Limit. This could lead to significant improvements in energy efficiency, such as double the talk time on cellphones and longer laptop battery life.
Researchers tested 'Thermal Blue' and 'Dura Blue' hybrids for optimal seeding rates, seed timing, and mowing height requirements. Both hybrids showed promise in the transition zone, with 'Thermal Blue' performing well in seeding trials and requiring frequent mowing.
Engineers at North Carolina State University created a new material that can store equivalent of 20 high-definition DVDs or 250 million pages of text, far exceeding current computer memory systems. This breakthrough process also shows promise for boosting fuel economy and reducing heat in semiconductors.
Scientists at Oklahoma State University are working on a new type of thermoelectric technology that can convert waste heat into electricity. This breakthrough has the potential to power military aircraft without toxic emissions or expensive cooling systems.
Researchers at NC State University aim to redesign traditional firefighter gloves for better hand dexterity and fire protection. They will test various textile materials and design prototypes using the state-of-the-art PyroHands Fire Test System.
Researchers from the Technical University of Munich are developing a new brewing process that uses zeolite storage systems to add heat and reduce energy consumption. The system aims to save up to 20% in energy costs, making it a more sustainable option for breweries.
New research reveals that young muskoxen are not thermally stressed more than adults in extreme cold. The study found that calves and adults sacrifice only a small percentage of their daily energy intake to heat loss during foraging bouts.
MIT researchers have confirmed a long-predicted breakdown in Planck's blackbody radiation law, allowing for increased heat transfer between objects. The discovery has significant implications for applications such as hard disk storage and energy harvesting from wasted heat.
Researchers have developed a method to estimate the amount of heat that can be produced by abandoned mine tunnels, providing an alternative source of renewable energy. The geothermal energy from mines can be used for heating, hot water, and even industrial processes, reducing reliance on fossil fuels and lowering CO2 emissions.
Scientists at PNNL have developed a new method for capturing more heat from low-temperature geothermal resources, enabling virtually pollution-free electrical energy generation. The approach uses biphasic fluid and nanostructured metal-organic heat carriers to boost power generation capacity.
Researchers at Kansas State University investigate the impact of heat expansion on integral bridges, which lack expansion joints and have a continuous deck. The study reveals that soil compaction and temperature change range affect bridge performance, with some stresses induced by daily fluctuations.
To combat increasing cooling demands, researchers are exploring advanced cooling strategies and developing new heat transfer models. By optimizing airflow patterns and using liquid cooling, they aim to improve energy efficiency and reduce waste heat conversion into other forms of energy.
Researchers at MIT developed a new thermal material that naturally dissipates heat from devices using a hierarchical branched network similar to cell protein networks. This design effectively prevents device failure and melting, enabling the creation of reliable nanodevices.
Researchers found that 79% of patients treated with bronchial thermoplasty experienced a statistically significant and clinically meaningful improvement in their quality-of-life measurements. The procedure addresses an unmet medical need, providing persistent asthma control over the year following treatment.
Gold nanorods can detect and treat tumors by absorbing near-infrared light, heating them up to kill cancer cells, while minimizing damage to surrounding tissues. The technology has shown promise in studies using mice, where tumors disappeared within 15 days of treatment.
Researchers in Japan investigate three technologies for heat recovery: latent heat, reaction heat, and thermoelectric devices. They find that high-temperature waste heat with adequate exergy value exists in many industries, offering effective ways to recover waste heat.
Researchers at Oregon State University have developed a new cooling system that can improve the energy efficiency of diesel engines by using waste heat. The system has shown improved efficiencies of 20-30 percent in situations where cooling is needed, and may be used to provide air conditioning or electricity.
Researchers developed a new method to measure heat transport in rocks, revealing that rock conductivity varies strongly with temperature. The technique, laser-flash analysis, provides more accurate data on heat transport than conventional methods.
Researchers at University at Buffalo found that single-walled carbon nanotubes do not experience electromigration and thermomigration like metals, producing significantly less heat. This property makes carbon nanotubes ideal for future electronic devices, including electric cars and sophisticated naval systems.
Scientists at Queen's University have detected giant twisting waves in the lower atmosphere of the Sun, known as Alfvén waves. These waves transport energy into the Corona or outer layer, carrying heat and explaining why it reaches temperatures of over a million degrees.
Scientists from GFZ German Research Centre for Geosciences developed a numerical model to calculate future continent positions. The continents function as a thermal blanket, causing heat accumulation and super-continent break-up., A self-regulating system develops, resulting in reorganization of mantle convection.
Yale researchers create systems that harness the power of osmosis to harvest freshwater from non-potable sources and generate electricity from low-temperature heat. This innovative approach requires significantly less energy than traditional desalination methods, offering a sustainable solution for increasing global water supply.