Current Cooling System News and Events

Current Cooling System News and Events, Cooling System News Articles.
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How reducing body temperature could help a tenth of all ICU patients
ROCKVILLE, MD - A tenth of all intensive care unit patients worldwide, and many critical patients with COVID-19, have acute respiratory distress syndrome (ARDS). (2021-02-23)

More trees do not always create a cooler planet, Clark University geographer finds
New research by Christopher A. Williams, an environmental scientist and professor in Clark University's Graduate School of Geography, reveals that deforestation in the U.S. does not always cause planetary warming, as is commonly assumed; instead, in some places, it actually cools the planet. A peer-reviewed study by Williams and his team, ''Climate Impacts of U.S. Forest Loss Span Net Warming to Net Cooling,'' published today (Feb. 12) in Science Advances. (2021-02-12)

Brazil: Air conditioning equipment days of use will double without climate action
Increasing demand for space cooling in Brazil will increase greenhouse gas emissions by 70-190% due to air conditioners, depending on how much we will mitigate climate change. A study carried out with the contribution of CMCC@Ca'Foscari explains the relationship between climate change, space cooling needs, and electricity demand in different regions of the country. (2021-02-10)

Radiative cooling and solar heating from one system, no electricity needed
A University at Buffalo-led study published Feb. 8 in the journal Cell Reports Physical Science describes a new technology that provides both radiative cooling and solar heating, all is one system and without using electricity or fuel. It could help impoverished communities, reduce cooling and heating costs, lower CO2 emissions (2021-02-08)

Ural Federal University scientists developed a new way of synthesis of high-purity zircon
A research group from Ural Federal University synthesized high-purity single-phase zircon (ZrSiO4) and analyzed its structural, thermal, vibrational and optical properties. The results have been published in the Journal of Solid State Chemistry (Q2) (2021-02-05)

Ground-breaking evidence reveals scalp cooling physically protects hair follicles
GROUND-BREAKING research from the University of Huddersfield, announced ahead of World Cancer Day 2021, proves that scalp cooling physically protects hair follicles from chemotherapy drugs. It is the world's first piece of biological evidence that explains how scalp cooling actually works and the mechanism behind its protection of the hair follicle. (2021-02-03)

Increasing snow depth prevented wintertime soils from cooling during the warming hiatus
Scientists investigated snow cover along with other direct and indirect soil temperature influences in northeastern China. The research further showed that the increasing snow depth in northeastern China may be the main reason for the continued warming trend in soil temperatures. In addition to the thermal insulation effect of snow cover, the ability for soil to record human changes and environmental influences, or ''soil memory'' is also important, especially at greater depths. (2021-01-31)

Important climate change mystery solved by scientists
Scientists have resolved a key climate change mystery, showing that the annual global temperature today is the warmest of the past 10,000 years - contrary to recent research, according to a Rutgers-led study in the journal Nature. (2021-01-27)

Antarctica: the ocean cools at the surface but warms up at depth
Scientists from the CNRS, CNES, IRD, Sorbonne Université, l'Université Toulouse III - Paul Sabatier and their Australian colleagues, with the support of the IPEV, have concluded that the slight cooling observed at the surface of the Southern Ocean hides a rapid and marked warming of the waters, to a depth of up to 800 metres. These results were obtained thanks to unique data acquired over the past 25 years. (2021-01-21)

Bringing atoms to a standstill: NIST miniaturizes laser cooling
Scientists at the National Institute of Standards and Technology (NIST) have miniaturized the optical components required to cool atoms down to a few thousandths of a degree above absolute zero, the first step in employing them on microchips to drive a new generation of super-accurate atomic clocks, enable navigation without GPS, and simulate quantum systems. (2021-01-21)

Climate-related species extinction possibly mitigated by newly discovered effect
Changes in climate that occur over short periods of time influence biodiversity. For a realistic assessment of these effects, it is necessary to also consider previous temperature trends going far back into Earth's history. Researchers from the University of Bayreuth and the University of Erlangen-Nuremberg show this in a paper for ''Nature Ecology and Evolution''. (2021-01-20)

Tree rings and the Laki volcano eruption: A closer look at climate
When Iceland's Laki volcano erupted in 1783, its effects rippled around the world. UArizona researchers have analyzed Alaskan tree rings to understand how climate responded in northwestern North America. The work will aid in fine-tuning future climate models. (2021-01-20)

Extreme fire weather
When the Thomas Fire raged through Ventura and Santa Barbara counties in December 2017, Danielle Touma, at the time an earth science researcher at Stanford, was stunned by its severity. Burning for more than a month and scorching 440 square miles, the fire was then considered the worst in California's history. (2021-01-14)

Researchers find wildfire smoke is more cooling on climate than computer models assume
Many of the most advanced climate models simulate smoke that is darker, or more light absorbing, than what researchers see in observations. (2021-01-12)

Cooling vests alleviate perceptual heat strain perceived by COVID-19 nurses
Wearing cooling vests during a COVID-19 shift ensures that nurses experience less heat during their work. During their shifts, nurses wear protective clothing for three hours in a row, during which the temperature can rise to as much as 36 degrees. The cooling vests offer such effective cooling that they are now part of the standard work clothing for nurses in the COVID nursing departments at Radboud university medical center. (2021-01-07)

Uncovering how grasslands changed our climate
Grasslands are managed worldwide to support livestock production, while remaining natural or semi-natural ones provide critical services that contribute to the wellbeing of both people and the planet. Human activities are however causing grasslands to become a source of greenhouse gas emissions rather than a carbon sink. A new study uncovered how grasslands used by humans have changed our climate over the last centuries. (2021-01-05)

Microfabricated elastic diamonds improve material's electronic properties
Overcoming a key obstacle in achieving diamond-based electronic and optoelectronic devices, researchers have presented a new way to fabricate micrometer-sized diamonds that can elastically stretch. (2020-12-31)

Extremely energy efficient microprocessor developed using superconductors
Researchers from Yokohama National University in Japan have developed a prototype microprocessor using superconductor devices that are about 80 times more energy efficient than the state-of-the-art semiconductor devices found in the microprocessors of today's high-performance computing systems. (2020-12-28)

High-rate Li-ion batteries demonstrate superior safety
In the paper, 'Determining the Limits and Effects of High-Rate Cycling on Lithium Iron Phosphate Cylindrical Cells' published in and on the cover of the Journal Batteries, researchers from WMG, University of Warwick investigated the impacts on battery cell ageing from high current operation using commercial cells. (2020-12-14)

Out with the old, in with the new
UVA Engineering Discovery Challenges Heat Transfer Paradigm That Guides Electronic and Photonic Device Design. (2020-12-09)

Researchers call for renewed focus on thermoelectric cooling
Almost 200 years after French physicist Jean Peltier discovered that electric current flowing through the junction of two different metals could be used to produce a heating or cooling effect, researchers say it is time to step up efforts to find new materials for the thermoelectric cooling market. (2020-12-07)

Cooling electronics efficiently with graphene-enhanced heat pipes
Researchers at Chalmers University of Technology, Sweden, have found that graphene-based heat pipes can help solve the problems of cooling electronics and power systems used in avionics, data centres, and other power electronics. (2020-12-03)

How to cool more efficiently
In the journal Applied Physics Reviews (DOI: 10.1063/5.0020755), an international research team from the University of Barcelona, the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), and TU Darmstadt report on possibilities for implementing more efficient and environmentally friendly refrigeration processes. For this purpose, they investigated the effects of simultaneously exposing certain alloys to magnetic fields and mechanical stress. (2020-12-03)

Active camouflage artificial skin in visible-to-infrared range
Cephalopods' exceptional ability to hide into any background has inspired researchers to replicate their fascinating ability to camouflage in the infrared (IR) and visible spectrum. Recent advances offered a number of physical mechanisms to reproduce the cloaking functionalities of cephalopods. However, most of works focused on either camouflaging in the visible or IR camouflage range only: not dual modes in a single device structure that can readily switch between the visible and IR mode according to a suitable situation. (2020-12-02)

Nanomaterials enable dual-mode heating and cooling device
Engineers at Duke University have demonstrated a dual-mode heating and cooling device for building climate control that, if widely deployed in the U.S., could cut HVAC energy use by nearly 20 percent. The invention uses a combination of mechanics and nanomaterials to either harness or expel certain wavelengths of light. Depending on conditions, rollers move a sheet back and forth to expose either heat-trapping materials or cooling materials. (2020-12-02)

Chaotic early solar system collisions resembled 'asteroids' arcade game
One Friday evening in 1992, a meteorite ended a more than 150 million-mile journey by smashing into the trunk of a red Chevrolet Malibu in Peekskill, New York. Nearly 30 years later, a new analysis of that same Peekskill meteorite and 17 others by researchers at The University of Texas at Austin and the University of Tennessee, Knoxville, has led to a new hypothesis about how asteroids formed during the early years of the solar system. (2020-12-02)

A long distance connection: polar climate affects trade wind strength in tropics
The impact of sea surface temperature variations in the tropical Pacific on global climate has long been recognized. For instance, the episodic warming of the tropical Pacific during El Niño events causes melt of sea ice in far-reaching parts of the Southern Ocean via its effect on the global atmospheric circulation. A new study, published this week in the journal Science Advances by an international team, demonstrates that the opposite pathway exists as well. (2020-11-20)

Recent climate extremes have driven unprecedented changes in the deep ocean
New measurements reveal a surprising increase in the amount of dense water sinking near Antarctica, following 50 years of decline. (2020-11-16)

Researchers develop ultra-fast polymer modulators that can take the heat
Researchers in Japan have demonstrated a silicon-polymer hybrid modulator that can efficiently and reliably transmit data at 200 Gbit/s over an extremely wide range of temperatures from 25 °C to 110 °C. Use of such robust modulators in high-speed data applications could reduce cooling demands of the systems and expand applications in harsh environments. (2020-11-13)

Special issue: Cooling in a Warming World
In this special issue of Science, Cooling in a Warming World, three Perspectives and three Reviews highlight the wide array of new and improved technologies and solutions that aim to keep us and the materials we rely on cool, in our rapidly warming planet. (2020-11-12)

Camel-fur-inspired technology harnesses insulation and evaporation to keep products cool
Scientists developed a passive cooling technology inspired by the way camels stay cool in the hot desert sun. The technology's bottom hydrogel layer acts like a camel's sweat glands, lowering the temperature through evaporating water. The top aerogel layer functions like fur, insulating against outside heat while letting water vapor pass through. The research, published November 11, 2020 in the journal Joule, demonstrates that the design keeps products cool five times longer than conventional single-layer approaches. (2020-11-11)

Power-free system harnesses evaporation to keep items cool
MIT researchers have developed a two-layer passive cooling system, made of hydrogel and aerogel, that can keep foods and pharmaceuticals cool for days without the need for electricity. (2020-11-11)

Energy at risk: the impact of climate change on supply and costs
The energy sector is not only cause, but also victim of climate change. As global temperatures rise, cooling demand is increasing. But in the face of an increased energy demand in the hot season, energy reliability may be jeopardized, due to climate change impacts on the energy system, especially in South Asia and Latin America. A review paper on Nature Energy shows how extreme climate-related events are affecting the efficiency of energy infrastructures and threatening renewable technologies. (2020-10-27)

The effects of wildfires and spruce beetle outbreaks on forest temperatures
Results from a study published in the Journal of Biogeography indicate that wildfires may play a role in accelerating climate-driven species changes in mountain forests by compounding regional warming trends. (2020-10-21)

This white paint keeps surfaces cooler than surroundings, even under direct sunlight
Scientists have developed a white paint that cools below the temperature of its ambient surroundings even under direct sunlight. Their research, published October 21, 2020 in the journal Cell Reports Physical Science, demonstrates a radiative cooling technology that could be used in commercial paints, that could be less expensive to manufacture, and that passively reflects 95.5% of sunlight that reaches its surface back into outer space. (2020-10-21)

Kitchen temperature supercurrents from stacked 2D materials
A 'stack' of 2D materials could allow for supercurrents at ground-breakingly warm temperatures, easily achievable in the household kitchen. An international study published in August opens a new route to high-temperature supercurrents -- at temperatures, as 'warm' as inside your kitchen fridge. (Previously, superconductivity has been difficult even at temperatures as low as -170°C, making superconductivity impractical for many of its most exciting applications.) (2020-10-20)

A renewable solution to keep cool in a warming world
Month-on-month, year-on-year, the world continues to experience record high temperatures. In response to this and exacerbated by a growing global population, it is expected that air-conditioning demand will continue to rise. A new IIASA-led study explored the pros and cons of seawater air-conditioning as an alternative cooling solution. (2020-10-19)

Radiative cooler that cools down even under sunlight
POSTECH-Korea University joint research team develops a non-energy consuming radiative cooling material. (2020-10-19)

Solar-powered system extracts drinkable water from "dry" air
Researchers at MIT and elsewhere have significantly boosted the output from a system that can extract drinkable water directly from the air even in dry regions, using heat from the sun or another source. (2020-10-14)

UCF researchers are working on tech so machines can thermally 'breathe'
In the era of electric cars, machine learning and ultra-efficient vehicles for space travel, computers and hardware are operating faster and more efficiently. But this increase in power comes with a trade-off: They get superhot. To counter this, University of Central Florida researchers are developing a way for large machines to ''breathe'' in and out cooling blasts of water to keep their systems from overheating. The findings are detailed in a recent study in the journal Physical Review Fluids. (2020-10-13)

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