First glimpse of hydrodynamic electron flow in 3D materials
Electrons flow through most materials more like a gas than a fluid, meaning they don't interact much with one another. It was long hypothesized that electrons could flow like a fluid, but only recent advances in materials and measurement techniques a.....»»
High-refractive-index-modulation nanocomposites for augmented reality displays
Holographic optical elements (HOEs) are essential in augmented reality (AR) displays, providing benefits such as design flexibility and improved optical efficiency. However, current materials' limited refractive index modulation hampers performance,.....»»
Porous gas-adsorbing materials reveal hidden softness
A team of researchers has reshaped our understanding of developing gas storage materials known as porous coordination polymers (PCPs), which is also known as metal-organic frameworks (MOFs)......»»
Bang & Olufsen’s latest headphones look gorgeous and cost a fortune
Bang & Olufsen's Beoplay H100 are made of luxurious materials and they have an intriguing set of rotating controls......»»
Using fungal mycelium as the basis for sustainable products
Fungi have more to offer than meets the eye. Their thread-like cells, which grow extensively and out of sight underground like a network of roots, offer huge potential for producing sustainable, biodegradable materials. Researchers at the Fraunhofer.....»»
Study: Quantum-dot-enabled infrared hyperspectral imaging with single-pixel detection
Near infrared (NIR) hyperspectral imaging is a highly promising detection technology capable of capturing detailed 3D spectral-spatial information, facilitating the identification and characterization of materials and targets based on their spectral.....»»
Engineers smash rocks to see what occurs when top layer of an asteroid-like object is hit with extreme external force
Johns Hopkins engineers have uncovered new details about how granular materials such as sand and rock behave under extreme impacts—findings that could someday help protect the Earth from dangerous asteroids......»»
3D bioprinting materials offer possibility for better bone and soft tissue repair
3D bioprinting is an advanced tissue engineering technique that builds complex tissues using bioactive substances like living cells and scaffolds. It provides personalized tissue repair solutions, reducing immune rejection by using patient-specific c.....»»
Nonprofit scrubs illegal content from controversial AI training dataset
After backlash, LAION cleans child sex abuse materials from AI training data. Enlarge (credit: Kirillm | iStock / Getty Images Plus) After Stanford Internet Observatory researcher David Thiel found links to child sexual.....»»
Researchers explore design of polar crystalline solids of pure molecular materials
Harmeet Bhoday, a Missouri S&T Ph.D. student in chemistry from Chandigarh, India, was the lead author of an article titled "Perfect Polar Alignment of Parallel Beloamphiphile Layers: Improved Structural Design Bias Realized in Ferroelectric Crystals.....»»
Spin-controlled generation of a complete polarization set with randomly interleaved plasmonic metasurfaces
Optical metasurfaces are finely crafted two-dimensional artificial nanostructures composed of meticulously designed arrays of ultrathin artificial atoms. These surfaces possess capabilities beyond natural materials, enabling multifunctional control o.....»»
Spectroscopy study reveals electrons in cocatalyst periphery drive photocatalytic hydrogen evolution
Synchronizing periodic excitations of photocatalysts with a Michelson interferometer on operando FT–IR spectroscopy, researchers led by Toshiki Sugimoto succeeded in observing and identifying the reactive electron species for photocatalytic hydroge.....»»
Exploring functional organic materials for the energy transition
Carbon, of all things, could help us to push forward the decarbonization of our industrial society. Functional carbon particles, known as carbon dots, can transform sunlight into energy and extract hydrogen from water. Prof. Dr. Dirk M. Guldi, a chem.....»»
Novel motion simulator reveals key role of air flow in rodent navigation
How are rodents able to navigate pitch-black subway tunnels or other dark environments so adeptly, despite not being able to rely on vision?.....»»
Using atomic excitations to measure the rotation of spacetime
How would atoms behave near a supermassive object? We know how atoms behave in extremely weak gravity like that at the Earth's surface: They can be excited from a lower energy level to a higher one when an electron absorbs a photon or a nucleus absor.....»»
Reconfigurable sensor can detect particles 0.001 times the wavelength of light
In recent years, advances in photonics and materials science have led to remarkable developments in sensor technology, pushing the boundaries of what can be detected and measured. Among these innovations, non-Hermitian physics has emerged as a crucia.....»»
Researchers develop near-infrared spectroscopy models to analyze corn kernels and biomass
In the agricultural and food industry, determining the chemical composition of raw materials is important for production efficiency, application, and price. Traditional laboratory testing is time-consuming, complicated, and expensive. New research fr.....»»
Towards a large materials model for AI-driven materials discovery
Following the success of large language models, the concept of large materials models as deep-learning computational models for materials design has attracted great interest. Nevertheless, the task of acquiring large materials models appears to be qu.....»»
Behind the scenes of Serious Cryptography
In this Help Net Security interview, Jean-Philippe Aumasson, discusses the writing and research process for Serious Cryptography, his latest book. With a career steeped in research and practical cryptography, Aumasson offers a rare glimpse into the e.....»»
Investigating adaptive strategies of high and low nucleic acid prokaryotes
A research team conducted a 73-day large-volume Aquatron macrocosm experiment, utilizing flow cytometry and dilution experiments to thoroughly investigate the temporal changes and influencing factors in the abundance, growth rate, and mortality of hi.....»»
After wildfires, mudslides come: Fighting the impact of climate change on rural communities
It took more than 25 years for Rhonda MacDonald and her family to transform their 41-hectare property on the Shackan Indian Band Lands, south of Merritt, BC, into a vibrant business and homestead—but a massive 2022 debris flow changed everything in.....»»