Advertisements


Heat Waves Need FEMA’s Help

Heat waves are costly and kill more people each year than hurricanes, tornadoes and floods combined, but because FEMA doesn’t count them as disasters, communities miss out on important resources.....»»

Category: scienceSource:  sciamJul 10th, 2024

New electron microscopy technique reveals complex spin structures at femtosecond timescales

Plasmons are collective oscillations of electrons in a solid and are important for a wide range of applications, such as sensing, catalysis, and light harvesting. Plasmonic waves that travel along the surface of a metal, called surface plasmon polari.....»»

Category: topSource:  physorgRelated News20 hr. 53 min. ago

Intense ribbons of rain also bring the heat, scientists say

The environmental threat posed by atmospheric rivers—long, narrow ribbons of water vapor in the sky—doesn't come only in the form of concentrated, torrential downpours and severe flooding characteristic of these natural phenomena. According to a.....»»

Category: topSource:  physorgRelated NewsDec 20th, 2024

Latest gravitational wave observations conflict with expectations from stellar models

Almost 300 binary mergers have been detected so far, indicated by their passing gravitational waves. These measurements from the world's gravitational wave observatories put constraints on the masses and spins of the merging objects such as black hol.....»»

Category: topSource:  physorgRelated NewsDec 20th, 2024

Plasma heating efficiency in fusion devices boosted by metal screens

Heating plasma to the ultra-high temperatures needed for fusion reactions requires more than turning the dial on a thermostat. Scientists consider multiple methods, one of which involves injecting electromagnetic waves into the plasma, the same proce.....»»

Category: topSource:  theglobeandmailRelated NewsDec 19th, 2024

More than 1,300 Hajj pilgrims died this year when humidity and heat pushed past survivable limits—it"s just the start

Every year, hundreds of thousands of Muslims undertake the Hajj—the sacred pilgrimage to Mecca. In 2024, the pilgrimage took place in mid-June, the start of the Saudi summer......»»

Category: topSource:  theglobeandmailRelated NewsDec 19th, 2024

Prototype sunscreen uses TiO₂ nanoparticles to cool skin while blocking UV rays

Wearing sunscreen is important to protect your skin from the harmful effects of UV radiation but doesn't cool people off. However, a new formula, described in Nano Letters, protects against both UV light and heat from the sun using radiative cooling......»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

NASA payload aims to probe moon"s depths to study heat flow

Earth's nearest neighboring body in the solar system is its moon, yet to date, humans have physically explored just 5% of its surface. It wasn't until 2023—building on Apollo-era data and more detailed studies made in 2011–2012 by NASA's automate.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

Optical spring enables programmable defect mode in new mechanical crystal

Mechanical crystals, also known as phononic crystals, are materials that can control the propagation of vibrations or sound waves, just like photonic crystals control the flow of light. The introduction of defects in these crystals (i.e., intentional.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

Storm fears overshadow India coast decades after tsunami

The deadly tsunami that swamped India's southern coast two decades ago was a one-off disaster, but storms that are growing ever more intense spark panic each time howling gales whip up waves......»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

Aerosols could be weakening summertime circulation in the Northern Hemisphere

Over the past several decades, summer jet streams (or west to east wind flow) and weather systems in the Northern Hemisphere have weakened. Projections suggest the trend will continue, which could make extreme heat events more likely and affect air q.....»»

Category: topSource:  physorgRelated NewsDec 18th, 2024

Astonishing 32TB hard drive uses lasers to heat and cool platters within a nanosecond

Seagate is finally offering its largest-ever hard drive – a staggering 32TB in a single drive, made possible by tech which uses lasers to heat and cool tiny sections of a platter in a nanosecond … more….....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Rising drought frequency poses new threats to US wildlife, study finds

People around the world are dealing with drought, so it's not shocking that it affects wildlife, too: lack of moisture contributes to habitat loss, affects how animals compete for resources, and leads to dehydration and heat stress. The surprising pa.....»»

Category: topSource:  pcmagRelated NewsDec 16th, 2024

Scientists struggle to explain record surge in global heat

The world has been getting hotter for decades but a sudden and extraordinary surge in heat has sent the climate deeper into uncharted territory—and scientists are still trying to figure out why......»»

Category: topSource:  physorgRelated NewsDec 16th, 2024

Surveys show full scale of massive seabird die-off due to Pacific Ocean heat wave

Murres, a common seabird, look a little like flying penguins. These stout, tuxedo-styled birds dive and swim in the ocean to eat small fish and then fly back to islands or coastal cliffs where they nest in large colonies. But their hardy physiques di.....»»

Category: topSource:  marketingvoxRelated NewsDec 14th, 2024

Some iPhone users report overheating when using Apple Intelligence

Some iOS 18.2 users have reported concerning amounts of heat generation while using Image Playground and other AI-features......»»

Category: topSource:  digitaltrendsRelated NewsDec 14th, 2024

As more layoffs hit the game industry, ZeniMax Online Studios votes to unionize

ZeniMax Online Studios has voted to unionize, ensuring better worker protections amid unprecedented waves of video game industry layoffs......»»

Category: topSource:  digitaltrendsRelated NewsDec 13th, 2024

How an iconic desert tree survives extreme heat—and the unique risk it"s facing now

New research has found that the punishing summer temperatures and persistent drought conditions in much of Arizona and the Southwest are dealing a double whammy to trees attempting to regulate their own temperature, putting a critical part of the des.....»»

Category: topSource:  physorgRelated NewsDec 13th, 2024

Single heat wave wiped out millions of Alaska"s dominant seabird

The common murre, a large black-and-white seabird native to northern waters, has become far less common in Alaska over the past decade due to the impacts of climate change......»»

Category: topSource:  physorgRelated NewsDec 12th, 2024

Generating power with a thin, flexible thermoelectric film

Device could be integrated into clothing, harvest body heat to power gadgets. The No. 1 nuisance with smartphones and smartwatches is that we need to charge them every day. As war.....»»

Category: topSource:  arstechnicaRelated NewsDec 12th, 2024

Physicists introduce approach to control wave patterns via fluid flows

The reliable control of traveling waves emerging from the coupling of oscillations and diffusion in physical, chemical and biological systems is a long-standing challenge within the physics community. Effective approaches to control these waves help.....»»

Category: topSource:  pcmagRelated NewsDec 12th, 2024