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Heat rectification via suspended asymmetric graphene nanomesh

It is one of the humans' desired goals that we want to precisely control the heat transport as the level as that we can control the electrical current. However, a high-performance thermal rectifier or thermal diode is still missing. Currently, resear.....»»

Category: topSource:  physorgJan 7th, 2022

Shanghai, Tokyo, New York, Houston spew most greenhouse gas of world cities

Cities in Asia and the United States emit the most heat-trapping gas that feeds climate change, with Shanghai the most polluting, according to new data that combines observations and artificial intelligence......»»

Category: topSource:  informationweekRelated News13 hr. 25 min. ago

Study finds humidity diminishes daytime cooling gains in urban green spaces

Urban green spaces provide shade for city dwellers facing rising temperatures brought on by climate change, but how much relief from the heat island effect do they provide when humidity is factored in?.....»»

Category: topSource:  informationweekRelated News13 hr. 25 min. ago

Trump’s Election Threatens Heat Protections for Workers

A Biden administration proposal that would require employers to provide cooling measures under extreme heat conditions may be scuttled by the incoming Trump administration.....»»

Category: scienceSource:  sciamRelated NewsNov 14th, 2024

Heat hardiness: Scientists identify key phase for tomato heat tolerance

By studying tomato varieties that produce fruit in exceptionally hot growing seasons, biologists at Brown University identified the growth cycle phase when tomatoes are most vulnerable to extreme heat, as well as the molecular mechanisms that make th.....»»

Category: topSource:  theglobeandmailRelated NewsNov 9th, 2024

Everything you need to know before buying a space heater

Space heaters are a popular way to heat up your home, but they come with serious risks. Here's what to know before adding one to your home......»»

Category: topSource:  digitaltrendsRelated NewsNov 8th, 2024

Chemists find easier way to produce biodiesel from waste oil

UC Santa Cruz chemists have discovered a new way to produce biodiesel from waste oil that both simplifies the process and requires relatively mild heat. This discovery has the potential to make the alternative fuel source much more appealing to the m.....»»

Category: topSource:  pcmagRelated NewsNov 8th, 2024

How prisons fall short in protecting the incarcerated from climate disasters

Blistering heat, freezing cold, and overflowing sewage water: These were the living conditions that formerly incarcerated people in Colorado said they suffered inside the state's prisons and jails......»»

Category: topSource:  pcmagRelated NewsNov 7th, 2024

Quasiperiodicity changes the ground-state properties of 1D narrow-band moiré systems, study demonstrates

Moiré materials, such as twisted bilayer graphene, are materials generally formed by stacking two or more layers of 2D materials on top of each other with a small lattice mismatch. This slight mismatch creates a unique pattern known as the moiré pa.....»»

Category: topSource:  physorgRelated NewsNov 7th, 2024

Making "stressed" potatoes more climate-resilient

Heat, dry spells and flooding—the whole of nature is under stress, and potatoes are no exception. As a food staple, there is particular interest in getting potatoes fit for the new climate reality. As part of the EU's four-year ADAPT project, an in.....»»

Category: topSource:  physorgRelated NewsNov 6th, 2024

Helping the most vulnerable stay cool in extreme heat

The health effects of heat waves hit some communities harder than others. People with preexisting health conditions, as well as those who have low income or are physically or socially isolated, very old or very young, from racial or ethnic minority g.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Scientists have figured out why Martian soil is so crusty

On November 26, 2018, NASA's Interior Exploration using Seismic Investigations, Geodesy, and Heat Transport (InSight) mission landed on Mars. This was a major milestone in Mars exploration since it was the first time a research station had been deplo.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Spraying rice with zinc oxide nanoparticles protects yields during heat waves, study finds

A small team of horticulturists in China and the U.S. has found that spraying rice plants with a zinc oxide nanoparticle solution helps them better handle the stress of a heat wave. In their study, published in Proceedings of the National Academy of.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

How many trees does it take to cool a city? Researchers develop tool to set urban tree canopy goals

Cities around the globe are increasingly experiencing dangerous heat as urban concrete and asphalt amplify rising temperatures. Tree-planting programs are a popular, nature-based way to cool cities, but these initiatives have been largely based on gu.....»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

Unlocking next-gen chip efficiency: Researchers confirm thermal insights for tiny circuits

In a leap toward more powerful and efficient computer chips, researchers at the University of Virginia have confirmed a key principle governing heat flow in thin metal films—a critical component in the race to design faster, smaller and more effici.....»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

Is Donald Trump preying on his supporters" death fears? What terror management theory offers us

Death and destruction from climate crises—flooding, fires, hurricanes and heat......»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

Monkeys know who will win the election—primal instincts humans share with them shape voters" choices

As Election Day looms with Kamala Harris and Donald Trump locked in a dead heat, pollsters and pundits are scrambling for clues to predict the outcome......»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

Revealing the superconducting limit of twisted bilayer graphene

Graphene is a simple material containing only a single layer of carbon atoms, but when two sheets of it are stacked together and offset at a slight angle, this twisted bilayer material produces numerous intriguing effects, notably superconductivity......»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

After a long break, NASA suggests timing for next spacewalk

NASA suspended spacewalks aboard the ISS in June 2024 after a safety issue emerged with one of the astronaut's spacesuits just before a walk was about to begin......»»

Category: topSource:  digitaltrendsRelated NewsNov 4th, 2024

Stochastic thermodynamics may be key to understanding energy costs of computation

Two systems exist in thermal equilibrium if no heat passes between them. Computers, which consume energy and give off heat as they process information, operate far from thermal equilibrium. Were they to stop consuming energy—say you let your laptop.....»»

Category: topSource:  physorgRelated NewsOct 30th, 2024

Pivotal gene found to confer heat tolerance in perennial ryegrass

Perennial ryegrass (Lolium perenne L.), widely cultivated in the cool-season for forage supply and turfgrass, is extremely susceptible to high temperatures. A recent study has discovered a pivotal stress-responsive gene, combating heat stress in pere.....»»

Category: topSource:  physorgRelated NewsOct 29th, 2024