Speeding up calculations that reveal how electrons interact in materials
Materials scientists and engineers would like to know precisely how electrons interact and move in new materials and how the devices made with them will behave. Will the electrical current flow easily within the material? Is there a temperature at wh.....»»
Why did Louis de Broglie, Nobel laureate in physics, abandon his own pilot wave theory?
This week marks the centenary of the French physicist Louis de Broglie's doctoral thesis, which later earned him a Nobel prize for "his discovery of the wave nature of electrons." This discovery constitutes a central aspect of quantum mechanics, and.....»»
Scientists reveal possible role of iron sulfides in creating life in terrestrial hot springs
An international team of scientists has published a study highlighting the potential role of iron sulfides in the formation of life in early Earth's terrestrial hot springs. According to the researchers, the sulfides may have catalyzed the reduction.....»»
Improved spin and density correlation simulations give researchers clearer insights on neutron stars
When a star dies in a supernova, one possible outcome is for the remains to become a neutron star. Inside a neutron star, the protons and electrons combine into uncharged neutrons. This substance is called neutron matter......»»
Chemists develop graphene-based biosensor, paving the way for advanced diagnostics
Two-dimensional materials such as graphene are not only ultrathin, but also extremely sensitive. Researchers have therefore been trying for years to develop highly sensitive biosensors that utilize their properties......»»
Taming big data and particle beams: How researchers are pushing AI to the edge
Every day, researchers at the Department of Energy's SLAC National Accelerator Laboratory tackle some of the biggest questions in science and technology—from laying the foundations for new drugs to developing new battery materials and solving big d.....»»
Magnetic memory device reduces power consumption, heat generation in MRAM semiconductors
A research team, led by Professor Jung-Woo Yoo from the Department of Materials Science and Engineering at UNIST has unveiled a new type of magnetic memory device, designed to reduce power consumption and heat generation in MRAM semiconductors. The w.....»»
From days to hours: A faster way to make a promising new catalyst
Scientists have discovered a faster, more sustainable method for making metal-encapsulated covalent organic frameworks (COFs), materials that have the potential to play a crucial role in catalysis, energy storage, and chemical sensing......»»
Astronomers discover a "hot Neptune" in a tight orbit
A Neptune-sized planet, TOI-3261 b, makes a scorchingly close orbit around its host star. Only the fourth object of its kind ever found, the planet could reveal clues as to how planets such as these form......»»
NASA satellite data reveal role of green spaces in cooling cities
As any urban dweller who has lived through a heat wave knows, a shady tree can make all the difference. But what happens when there's no shade available?.....»»
To catch financial rats, a better mousetrap: New tool helps reveal companies" accounting tricks to hide problems
Enron. Lehman Brothers. More recently, General Electric and Supermicro. During the past quarter century, a variety of high-profile companies have been caught cooking their books......»»
Researchers reveal exploitable flaws in corporate VPN clients
Researchers have discovered vulnerabilities in the update process of Palo Alto Networks (CVE-2024-5921) and SonicWall (CVE-2024-29014) corporate VPN clients that could be exploited to remotely execute code on users’ devices. CVE-2024-5921 CVE-2.....»»
Feature request: Apple should merge Spotlight and Type to Siri on iOS and macOS
Apple has given a lot of attention to Siri in iOS 18 and macOS 15, as the virtual assistant now integrates with ChatGPT and will soon work with Apple Intelligence. One of the changes made is that it’s now easier to interact with Siri just by typing.....»»
X-ray measurements reveal an unexpected role for copper in photocatalysts
Copper is a promising catalyst for sustainably converting carbon dioxide into substances with more electrons (called reduced species). This is an important step in converting carbon dioxide into fuels. This reaction is often initiated by electrical e.....»»
Astronomers measure cosmic electrons at the highest energies to date
Five telescopes of the H.E.S.S.-collaboration in Namibia are used to study cosmic radiation, especially gamma radiation. With data from 10 years of observations, researchers have now been able to detect cosmic electrons and positrons with an unpreced.....»»
Exploring new liquid organic hydrogen carrier materials for a safer, more transportable energy source
To reduce CO2 emissions, the energy transition from a carbon-based energy system to a more sustainable system based on hydrogen energy is urgently needed. However, the nature of hydrogen (such as low volumetric density, flammability, and embrittlemen.....»»
Satellite data and algorithms reveal which ships emit excessive nitrogen
Ships are still emitting too much nitrogen oxide. Until now, it has been impossible to measure this at sea, but that is set to change. Solomiia Kurchaba combined satellite data and developed algorithms to identify which ships are emitting too much. K.....»»
Image-processing method enhances visualization of electron microscope images in rubber materials
Researchers at University of Tsukuba have developed a new imaging method that clearly visualizes nanoscale structures within rubber materials. The study is published in the journal ACS Applied Nano Materials......»»
Novel fluorescent materials developed for real-time visualization of multi-component solvents and temperature
Recently, a research team led by Professor Jiang Changlong at Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences, developed a new donor-acceptor (D-A) type fluorescent dye called AFL. This dye changes its fluorescence col.....»»
Discovery of van Hove singularities could lead to novel materials with desirable quantum properties
Strong interactions between subatomic particles like electrons occur when they are at a specific energy level known as the van Hove singularity. These interactions give rise to unusual properties in quantum materials, such as superconductivity at hig.....»»
Using light to create bioelectronics inside living organisms
Bioelectronics research and development of implants made of electrically conductive materials for disease treatment is advancing rapidly. However, bioelectronic treatment is not without complications. Researchers at Lund University in Sweden have tak.....»»