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Human activity: A double-edged sword in the face of drought

A new study suggests that human activities may actually reduce the severity of droughts in certain regions. Climate model simulations indicate that aerosols and greenhouse gases produced by human activities have opposite effects on atmospheric chemical composition and precipitation mechanisms. This research challenges previous conclusi...

SourcePohang University of Science & Technology (POSTECH)·JournalBulletin of the American Meteorological Society·DateJun 21, 2024

New technique could help build quantum computers of the future

Researchers have developed a method to create and control optical qubits in silicon with high precision, enabling the fabrication of reliable quantum computers. This breakthrough could advance quantum computing and networking capabilities, paving the way for breakthroughs in human health, drug discovery, and artificial intelligence.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Communications·TypeExperimental study·DateJun 11, 2024

Novel diamond quantum magnetometer for ambient condition magnetoencephalography

Researchers have developed a highly sensitive diamond quantum magnetometer that can achieve practical ambient condition magnetoencephalography. The novel magnetometer uses a single crystalline diamond to detect magnetic fields, achieving record sensitivities of up to 9.4 pT Hz-1/2 in the frequency range of 5 to 100 Hz.

SourceTokyo Institute of Technology·JournalPhysical Review Applied·TypeExperimental study·DateJun 6, 2024

Transition-metal-free zeolite catalyst for direct conversion of methane to methanol

Researchers have discovered a novel transition-metal-free aluminosilicate ferrierite zeolite catalyst that enables direct conversion of methane to methanol. The new process achieves 305 π mol gˑ minǘ methanol production rate with high selectivity, presenting an environmentally friendly solution for converting greenhouse gases into valu...

SourceTokyo Institute of Technology·JournalJournal of the American Chemical Society·DateJun 3, 2024

DGIST successfully develops photocatalyst with irregular surface characteristics to convert carbon dioxide into fuel

The research team developed a high-efficiency photocatalyst that converts carbon dioxide into natural gas using solar energy and water. The new catalyst exhibits improved catalysis and regeneration properties compared to conventional photocatalysts.

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalApplied Catalysis B Environment and Energy·DateJun 2, 2024

PolyU study reveals effectiveness of GBGI infrastructure in mitigating urban heat, proposing nine-stage framework for development of a sustainable city

The study found that green infrastructures such as botanical gardens, wetlands, and street trees are effective in cooling urban heat, with temperature reductions ranging from 9.63°C to 17.7°C. A nine-stage framework has been proposed to facilitate GBGI implementation and maximize benefits.

SourceThe Hong Kong Polytechnic University·JournalThe Innovation·DateMay 23, 2024

Sepiolite: a new component suitable for 380 km/h high-speed rail brake pads

Researchers developed a new component, sepiolite, to improve braking effectiveness in high-speed rail brakes. Sepiolite exhibits high-temperature lubricity, weakening bonds between its layered structures, and accelerates the formation of a surface lubricating film, providing stable friction at high temperatures.

SourceKeAi Communications Co., Ltd.·JournalAdvanced Powder Materials·TypeExperimental study·DateMay 21, 2024

New Study: The price tag of phasing-out coal

A new study finds that government plans for coal phase-out around the world include monetary compensation to affected parties, with a total estimated global cost of USD 200 billion. However, if China and India were to adopt similar plans, the cost would skyrocket to over USD 2 trillion. The researchers argue that international finance ...

SourceChalmers University of Technology·JournalNature Communications·TypeSystematic review·DateMay 13, 2024

GIST researchers develop nanotechnology for creating wafer-scale nanoparticle monolayers in seconds

Researchers at Gwangju Institute of Science and Technology develop a new nanotechnology method that enables the creation of uniform, wafer-scale nanoparticle assemblies in just seconds. The 'mussel-inspired' technique accelerates assembly by introducing excess protons to increase electrostatic attraction.

SourceGIST (Gwangju Institute of Science and Technology)·JournalAdvanced Materials·TypeExperimental study·DateMay 7, 2024

Scientists harness the wind as a tool to move objects

Researchers at Aalto University have created a method to manipulate objects with wind, allowing for controlled movement in different directions. The technique uses an airflow field to move objects along desired trajectories, with potential applications in robotics and complex processing tasks.

SourceAalto University·JournalAdvanced Intelligent Systems·DateApr 29, 2024

Bacteria for climate-neutral chemicals of the future

Researchers at ETH Zurich have developed a new method to produce chemicals using bacteria that feed on methanol, a renewable resource. The microbes can efficiently convert methanol into desired biochemical substances, offering a sustainable alternative to fossil-based chemicals.

SourceETH Zurich·JournalNature Catalysis·DateApr 23, 2024

World-first microscopic stiffness probe could revolutionise early cancer diagnosis

Researchers at the University of Nottingham have created a world-first device that can image individual cells' stiffness, potentially catching cancer earlier. The technology uses Brillouin scattering to detect stiffness down to billionths of a meter and could replace traditional biopsies with non-invasive, single-cell imaging.

SourceUniversity of Nottingham·JournalCommunications Biology·TypeExperimental study·DateApr 15, 2024

Climate change threatens Antarctic meteorites

Climate change causes melting of ice sheet, resulting in loss of about 5,000 meteorites per year. Researchers call for urgent action to preserve the scientific value of meteorites and reduce greenhouse gas emissions.

SourceETH Zurich·JournalNature Climate Change·TypeComputational simulation/modeling·DateApr 8, 2024

Decreases in social disparities in air pollution during lockdown suggest the need for sustainable policies

A study found significant decreases in average nitrogen dioxide concentrations and social inequities in California's air pollution during the COVID-19 pandemic lockdown. Non-urban areas saw a 17% decrease, while urban areas experienced a 50% reduction, primarily due to reduced traffic.

SourcePohang University of Science & Technology (POSTECH)·JournalAtmospheric Environment·DateMar 25, 2024

Cool paint coatings help pedestrians feel up to 1.5 degrees Celsius cooler in urban setting, NTU Singapore field study finds

A study by NTU Singapore researchers found that cool paint coatings can reduce city heat by up to 2 degrees Celsius, improving pedestrian thermal comfort levels. The coatings reflected sunlight and absorbed less heat, resulting in cooler temperatures and reduced indoor air-conditioning energy consumption.

SourceNanyang Technological University·JournalSustainable Cities and Society·TypeExperimental study·DateMar 25, 2024

Electrochemistry helps clean up electronic waste recycling, precious metal mining

Researchers at the University of Illinois have developed a novel electrochemical process to extract precious metals, including gold and platinum group metals, from discarded electronics and low-grade ores. This method uses less energy and fewer chemical materials than current methods, producing high-purity metals with minimal waste.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalNature Chemical Engineering·TypeExperimental study·DateMar 24, 2024

Estimating coastal water depth from space via satellite-derived bathymetry

Researchers developed a novel machine learning-based depth estimation technique for satellite-derived bathymetry, improving accuracy in coastal regions with unique characteristics. The model demonstrated generalizability and potential for enhancements through incorporation of additional seabed spatial data.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Applied Remote Sensing·TypeObservational study·DateMar 21, 2024

Introducing Floorlocator: a game-changer in indoor navigation technology

Researchers developed FloorLocator, a game-changer in indoor navigation technology combining Spiking Neural Networks with Graph Neural Networks for remarkable accuracy and scalability. It surpasses traditional methods by leveraging deep learning without the drawbacks of extensive training data and high computational costs.