Topological acoustic waveguide to help reduce unwanted energy consumption in electronics
A team of researchers has developed a new acoustic waveguide based on the mathematical concept of topology, which will lead to reduced energy consumption in many everyday electronic devices......»»
Long snouts protect foxes when they dive headfirst into snow, study finds
When hunting for mice in winter, red and Arctic fox are known to plunge headfirst at speeds of 2–4 meters per second, but their sharp noses reduce the impact force in snow and protect them from injury, according to a new Cornell University study......»»
Design strategies toward plasmon-enhanced 2D material photodetectors
Traditional semiconductors such as Si, GaAs, and HgCdTe seem unable to meet the development trend of electronic devices that feature ultra-small volume, lightweight, and low power consumption. These limitations of traditional semiconductors mainly st.....»»
Bacteria "nanowires" could help develop green electronics
Engineered protein filaments originally produced by bacteria have been modified by scientists to conduct electricity. In a study published recently in the journal Small, researchers revealed that protein nanowires—which were modified by adding a si.....»»
Researchers discover "topological Kerr effect" in two-dimensional quantum magnets
In a recent collaboration between the High Magnetic Field Center of the Hefei Institutes of Physical Science of Chinese Academy of Sciences, and the University of Science and Technology of China, researchers introduced the concept of the topological.....»»
The Mysterious ‘Dark’ Energy That Permeates the Universe Is Slowly Eroding
Physicists call the dark energy that drives the universe “the cosmological constant.” Now the largest map of the cosmos to date hints that this mysterious energy has been changing over billions of years......»»
US’s power grid continues to lower emissions—everything else, not so much
Excluding one pandemic year, emissions are lower than they've been since the 1980s. Enlarge (credit: US EIA) On Thursday, the US Department of Energy released its preliminary estimate for the nation's carbon emissions in.....»»
Forget about the TikTok ban; now the U.S. might ban DJI
DJI is staring at an uncertain future in the U.S. after the House Committee on Energy and Commerce introduced a bill that could get its drones grounded......»»
New quarantine scheme could reduce risk of rabies reintroduction in the EU following Russian invasion, study finds
Rabies is a major concern to both human and animal health, with rabies in dogs and cats widespread in Eastern Europe, and there are concerns the war in Ukraine could pose a greater risk of rabies being reintroduced to the European Union (EU). A four-.....»»
Genetic hope in fight against devastating wheat disease
Fungal disease Fusarium head blight (FHB) is on the rise due to increasingly humid conditions induced by climate change during the wheat growing season, but a fundamental discovery by University of Adelaide researchers could help reduce its economic.....»»
How marketing classes can rescue "ugly produce" from becoming food waste
At a time of rising food costs and growing food insecurity, a large percentage of food grown for consumption never reaches our tables......»»
Scholars explain the ideology that says technology is the answer to every problem
Silicon Valley venture capitalist Marc Andreessen penned a 5,000-word manifesto in 2023 that gave a full-throated call for unrestricted technological progress to boost markets, broaden energy production, improve education and strengthen liberal democ.....»»
Warming Arctic reduces dust levels in parts of the planet, study finds
Climate change is a global phenomenon, but its impacts are felt at a very local level. Take, for example, dust. Dust can have a huge impact on local air quality, food security, energy supply and public health. Yet, little is known about how global cl.....»»
We may have spotted the first magnetar flare outside our galaxy
Not all gamma-ray bursts come from supernovae. Enlarge / M82, the site of what's likely to be a giant flare from a magnetar. (credit: NASA, ESA and the Hubble Heritage Team) Gamma rays are a broad category of high-energy.....»»
Africa"s megacities threatened by heat, floods, disease—action needed to start greening, adapt to climate change
Cities cover just 3% of the planet. But they emit 78% of all global greenhouse gas emissions, absorb 80% of final global energy (what consumers use) and consume 60% of clean drinking water......»»
New method could cut waste from drug production
Scientists have developed a sustainable new way of making complex molecules, which could greatly reduce waste produced during drug manufacturing, a study suggests......»»
International team detects eruption of mega-magnetic star in nearby galaxy
While ESA's satellite INTEGRAL was observing the sky, it spotted a burst of gamma-rays—high-energy photons—coming from the nearby galaxy M82. Only a few hours later, ESA's XMM-Newton X-ray space telescope searched for an afterglow from the explos.....»»
Spintronics research shows material"s magnetic properties can predict how a spin current changes with temperature
Spintronics is a field garnering immense attention for its range of potential advantages for conventional electronics. These include reducing power consumption, high-speed operation, non-volatility, and the potential for new functionalities......»»
How creating less-gassy cows could help fight climate change
A Curtin University study has revealed breeding less-flatulent cows and restoring agricultural land could significantly reduce rising methane emission levels, which play a considerable role in climate change......»»
A new electrochemical approach could reduce ocean acidity and remove carbon in the process
In the effort to combat the catastrophic impacts of global warming, we must accelerate carbon emissions reduction efforts and rapidly scale strategies to remove carbon dioxide (CO2) from the atmosphere and the oceans. The technologies for reducing ou.....»»
Light-activated materials perform well in treatment of textile effluent
Photoelectrochemical processes have been considered sustainable alternatives for the remediation of water contaminated by domestic or industrial effluents. Simply put, the strategy consists of using solar energy to degrade organic pollutants......»»