Writing with light on titania: Rewritable UV-sensitive surfaces made from doped TiO2 nanocrystals
Researchers have succeeded in producing a coating material that can be written on using UV light and the writing erased again using oxygen. Changes to rewritable paper could help reduce paper waste in a wide variety of applications. The material is m.....»»
Hubble captures stellar nurseries in majestic spiral galaxy IC 1954
This image from the NASA/ESA Hubble Space Telescope features the spiral galaxy IC 1954, located 45 million light-years from Earth in the constellation Horologium. It sports a glowing bar in its core, majestically winding spiral arms, and clouds of da.....»»
One tap unlocks a merry, dazzling holiday: Govee’s all-in-one light experience
Set up your home and have a dazzling holiday with a Govee magic lighting show. Use any Govee smart lighting products from permanent outdoor lights to LEDs......»»
Deadly H-E-B shooting: New video sheds light on what happened
Deadly H-E-B shooting: New video sheds light on what happened.....»»
Scientists uncover light absorbing properties of achiral materials
Researchers at the University of Ottawa have made a discovery that changes what we know about light and materials. They found that engineered achiral (symmetric) materials, called achiral plasmonic metasurfaces, can absorb light differently depending.....»»
New copper metal-organic framework nanozymes enable intelligent food detection
Nanozymes have high catalytic activity, high stability and high adaptability, and have become a new sensitive material for building sensors in the field of detection. Designing and preparing efficient nanozymes and promotion of their application in f.....»»
A new apparatus for analyzing partial coherence in integrated photonic networks
Anyone familiar with optics labs is familiar with the extremes of light coherence: laser beams are highly coherent, producing clear interference patterns used for precise applications like atomic manipulation or precise sensing. In contrast, light fr.....»»
SCCMSecrets: Open-source SCCM policies exploitation tool
SCCMSecrets is an open-source tool that exploits SCCM policies, offering more than just NAA credential extraction. SCCM policies are a key target for attackers in Active Directory environments, as they can expose sensitive technical information, incl.....»»
Businesses turn to private AI for enhanced security and data management
In this Help Net Security interview, Joe Baguley, CTO EMEA at Broadcom, shares insights on private AI and its significance in data security. He explains how it helps organizations maintain control over sensitive information while addressing the compl.....»»
Two of the best Apple Intelligence features on Mac still need work
Apple Intelligence’s best two features are Mail summaries and Writing Tools, but both of them need changes before they can catch up to ChatGPT and Copilot......»»
AI bots now beat 100% of those traffic-image CAPTCHAs
I, for one, welcome our traffic light-identifying overlords. Enlarge / Examples of the kind of CAPTCHAs that image-recognition bots can now get past 100 percent of the time. (credit: Arxiv, Plesner et al.) Anyone who has.....»»
Study: Cats in little crocheted hats shed light on feline chronic pain
The custom-made caps hold electrodes in place and reduce motion artifacts during EEGs. Enlarge / “When you spend more time putting electrodes back on than you do actually recording the EEGs, you get creative." (credit: Alienor.....»»
Research team succeeds in ultra-fast switching of tiny light sources
Extremely thin materials consisting of just a few atomic layers promise applications for electronics and quantum technologies. An international team led by TU Dresden has now made remarkable progress with an experiment conducted at Helmholtz-Zentrum.....»»
Lunar dust dynamics: Unveiling the charging properties and particle behavior of Chang"e-5 samples in an electric field
A study published in Engineering has shed new light on the behavior of lunar regolith particles under the influence of an external electric field, a discovery that could revolutionize space exploration and lunar resource utilization. The research, co.....»»
How a protein keeps gene clusters quiet in the cell nucleolus
In a discovery that sheds light on the complex mechanisms of gene regulation, scientists at EPFL have uncovered a critical role for the protein ZNF274 in keeping certain gene clusters turned off by anchoring them to the cell nucleolus. The study is p.....»»
Nonlinear optical metasurface achieves electrically tunable third-harmonic generation
A recent study has unveiled a transformative nonlinear optical metasurface technology. This new technology, characterized by structures smaller than the wavelength of light, paves the way for significant advancements in next-generation communication.....»»
Wall lizards shed light on how animals prevent harm in territorial disputes
A study appearing in Behavioral Ecology shows that in male wall lizards, certain behaviors have a greater influence on the way they resolve territorial disputes than their size and coloration......»»
Advanced data shed light on gravitational basins of attraction that shape the movement of galaxies
A new study has mapped out the gravitational basins of attraction in the local universe, offering fresh insights into the large-scale cosmic structures that shape the movement of galaxies. The study has been published in Nature Astronomy......»»
Dark matter could have slight interaction with regular matter, study suggests
The reason we call dark matter dark isn't that it's some shadowy material. It's because dark matter doesn't interact with light. The difference is subtle, but important. Regular matter can be dark because it absorbs light. It's why, for example, we c.....»»
Ultrasound technology accelerates drying of renewable cellulose nanocrystals
The global transition towards sustainability has sparked significant interest in bio-based materials and energy-efficient technologies. Among these, cellulose nanocrystals (CNCs), derived from renewable resources, have shown great potential for use i.....»»
Lignin-based sunscreen offers natural and high-performance UV protection
In a significant breakthrough for the cosmetics industry, researchers have developed a new type of sunscreen using lignin, a naturally abundant polymer, and titanium dioxide (TiO2). The study, led by Yarong Li and Zhiguang Tang, was published in the.....»»