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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

Extreme Weather Poses a Challenge for Heat Pumps

Stronger winds, bouts of extreme low temperature, and higher humidity pose difficult but surmountable challenges for heat pumps......»»

Category: gadgetSource:  wiredRelated NewsAug 13th, 2024

Heat killed nearly 50,000 in Europe in 2023: Study

High temperatures which scientists say are being worsened by human-driven carbon emissions caused nearly 50,000 deaths in Europe last year, a study published Monday found......»»

Category: topSource:  pcmagRelated NewsAug 12th, 2024

Lithium ion battery fire regulation could help heal industrywide black eye

While gasoline vehicles are far more prone to fires, electric vehicles and micromobility devices present concerns because lithium ion batteries can sustain their own heat and fires can be harder to extinguish......»»

Category: topSource:  autonewsRelated NewsAug 12th, 2024

Urban growth leads to more intense droughts for many world cities—Sydney is a case study for areas at risk

The growth of cities worldwide is contributing to more intense drought conditions in many cities, including Sydney, a new Chinese study has found. This is adding to urban heat and water stress. These important findings point to the need to improve ho.....»»

Category: topSource:  theglobeandmailRelated NewsAug 12th, 2024

Researchers discover new mechanism to cool buildings while saving energy

With temperatures rising globally, the need for more sustainable cooling options is also growing. Researchers at UCLA and their colleagues have now found an affordable and scalable process to cool buildings in the summer and heat them in the winter......»»

Category: topSource:  theglobeandmailRelated NewsAug 9th, 2024

Veterinarian says owners should be aware of the risks of letting their dogs drink from public water sources

When taking your dog for a walk during the scorching summer heat, it may be tempting to allow your dog a few laps from the nearest drinking station in order to cool off. However, shared hydration sources can potentially have dire effects for your bel.....»»

Category: topSource:  physorgRelated NewsAug 9th, 2024

PrivacyLens uses thermal imaging to turn people into stick figures

"Most consumers do not think about what happens to data collected by smart home devices." Enlarge / The round lens of PrivacyLens captures standard digital video while the square lens senses heat. The heat sensor improves the cam.....»»

Category: topSource:  arstechnicaRelated NewsAug 9th, 2024

How this summer"s heat waves may impact the economy

This sweltering summer has brought record-breaking high temperatures to 63 countries, all but cementing 2024's status as the world's hottest year on record (even though we're barely past the halfway point). Such extreme weather trends are bound to ha.....»»

Category: topSource:  physorgRelated NewsAug 8th, 2024

A 13-month streak of global temperature records just ended. Here are five takeaways

After 13 months of what felt like an endless breaking of heat records, the streak came to an end last month—just barely. The European climate agency Copernicus said Thursday that July 2024's average heat just missed surpassing July of last year. Wh.....»»

Category: topSource:  physorgRelated NewsAug 8th, 2024

Why wildfires are getting more dangerous

After more than a year of record-breaking heat, the peak of fire season is approaching across vast swathes of our green planet......»»

Category: topSource:  physorgRelated NewsAug 8th, 2024

Heat stress survival: Unraveling the HsfA2-ACTIN dynamics in lily varieties

A research team has identified that the heat stress transcription factor HsfA2 and actin-interacting protein (AIP) LACTIN interact at the protein level in Lilium longiflorum "White Heaven," mediating gene expression and protecting cells from heat str.....»»

Category: topSource:  physorgRelated NewsAug 8th, 2024

July ends 13-month streak of global heat records as El Nino ebbs, but experts warn against relief

Earth's string of 13 straight months with a new average heat record came to an end this past July as the natural El Niño climate pattern ebbed, the European climate agency Copernicus announced Wednesday......»»

Category: topSource:  physorgRelated NewsAug 8th, 2024

How the Olympics Are Saving Athletes from Heat Stress

Climate change-driven heat endangers Olympians. Here’s how the Games are helping competitors cool down.....»»

Category: scienceSource:  sciamRelated NewsAug 8th, 2024

How Heat Index, Dew Point and Wet-Bulb Temperature Describe Summer Weather

When heat hits, we talk about the heat index, the dew point and heat risk. But what do all these measures mean?.....»»

Category: scienceSource:  sciamRelated NewsAug 8th, 2024

How Extreme Heat Harms Planes, Trains, Water Mains and Other Crucial Infrastructure

Scorching temperatures are further burdening an already-troubled infrastructure system across much of the U.S. in ways people are still learning to recognize.....»»

Category: scienceSource:  sciamRelated NewsAug 8th, 2024

Most existing heat wave indices fail to capture heat wave severity, experts report

Even though climate change is bringing more frequent and severe heat waves, there is no standard, global way to measure heat-wave severity, and existing indices have different thresholds for defining dangerous heat-stress conditions......»»

Category: topSource:  physorgRelated NewsAug 7th, 2024

More than 120 people died in Tokyo from heatstroke in July as average temperatures hit record highs

More than 120 people died of heatstroke in the Tokyo metropolitan area in July, when the nation's average temperature hit record highs and heat warnings were in effect much of the month, Japanese authorities said Tuesday......»»

Category: topSource:  physorgRelated NewsAug 6th, 2024

Antarctic heat, wild Australian winter: What"s happening to the weather, what it means for the rest of the year

Australia's south and east have seen freezing temperatures and wild weather this winter. At the same time, the continent as a whole—and the globe—have continued to warm......»»

Category: topSource:  physorgRelated NewsAug 5th, 2024

Born to modulate: Researchers reveal origins of climate-controlling particles

Aerosol particles are tiny. Swirling suspended in the air around us, most are smaller than the smallest bug, thinner than the thinnest hair on your head, gossamer specks practically invisible to the naked eye. Newly formed ones are nano-sized. Yet th.....»»

Category: topSource:  theglobeandmailRelated NewsAug 3rd, 2024

Machine learning discovers "hidden-gem" materials for heat-free gas separation

Chemical separation, including gas separation, is a common process that is required for manufacturing and research. It accounts for a whopping 15% of U.S. energy consumption and produces millions of tons of carbon emissions......»»

Category: topSource:  physorgRelated NewsAug 2nd, 2024