Air-stability of sodium-based layered-oxide cathode materials
Sodium ion batteries are considered to be one of the most promising alternative systems to lithium-ion batteries, especially for large scale applications. Sodium-based transition-metal oxides with layered structure have been the focus of studies, due.....»»
Researchers observe a large anomalous Hall effect triggered by spin-fluctuating devil"s staircase
A research group from University of Tsukuba has discovered that fluctuations of electron spins in magnetic materials trigger a large anomalous Hall effect during phase transition known as the devil's staircase magnetic transition......»»
Novel sensor developed for rapid detection of harmful insecticides
A research team led by Prof. Jiang Changlong from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has constructed a visual sensing platform based on DNA aptamer-based sensing system. This sensor can be used for rapid and q.....»»
Researchers improve solid oxide fuel cell threefold
A research team has successfully developed a catalyst coating technology that significantly improves the performance of solid oxide fuel cells (SOFCs) in just four minutes......»»
AI shows how field crops develop: Software can simulate future growth based on a single initial image
Researchers at the University of Bonn have developed software that can simulate the growth of field crops. To do this, they fed thousands of photos from field experiments into a learning algorithm. This enabled the algorithm to learn how to visualize.....»»
Exploring self-healing mechanisms for stable photoelectrochemical water splitting
Achieving stability poses a significant challenge in the practical implementation of photoelectrochemical (PEC) water splitting. The main factors affecting the long-term stability of PEC devices are chemical- and photo-corrosion of the semiconductor.....»»
Preparing for a post-quantum future
Post-quantum cryptography (PQC) is a hot topic. A recent paper from Tsinghua University raised doubts about lattice-based cryptography for PQC, though an error was found. This has sparked questions about the strength of soon-to-be-standardized PQC al.....»»
TDK claims insane energy density in solid-state battery breakthrough
Apple supplier says new tech has 100 times the capacity of its current batteries. Enlarge / TDK says its new ceramic materials for batteries will improve the performance of small consumer electronics devices such as smartwatches.....»»
Light-Based Chips Could Help Slake AI"s Ever-Growing Thirst for Energy
Optical neural networks, which use photons instead of electrons, have advantages over traditional systems. They also face major obstacles......»»
Nitrous oxide emissions surge in climate threat: Study
Global emissions of nitrous oxide—a potent greenhouse gas—are outpacing expectations and putting climate change goals in peril, a major study published on Wednesday found......»»
Retired engineer discovers 55-year-old bug in Lunar Lander computer game code
A physics simulation flaw in text-based 1969 computer game went unnoticed until today. Enlarge / Illustration of the Apollo lunar lander Eagle over the Moon. (credit: Getty Images) On Friday, a retired software engineer.....»»
Wide-field, high-resolution and broadband mesoscopic objective lens
Optical microscopes are indispensable research tools in fields such as life sciences, medical science, and materials science. The objective lens is the core component of the microscope, determining two key parameters of microscopic imaging: resolutio.....»»
When quantum dots meet blue phase liquid crystal elastomers
Circularly polarized luminescence (CPL) materials have attracted tremendous attention for their potential applications in many fields, such as molecular sensors, information encryption, and optical storage. So far, using cholesteric liquid crystals (.....»»
Enhancement and manipulation of second- and third-harmonic generation based on all-dielectric nonlinear metasurfaces
Nonlinear optics is a branch of optics that deals with the complex nonlinear relationships between the optical response of the medium and the incident light when it interacts with the optical medium. Currently, nonlinear optics has been successfully.....»»
Self-assembling and disassembling swarm molecular robots via DNA molecular controller
Researchers from Tohoku University and Kyoto University have successfully developed a DNA-based molecular controller that autonomously directs the assembly and disassembly of molecular robots. This pioneering technology marks a significant step towar.....»»
New approach to identifying altermagnetic materials
Magnetic materials have traditionally been classified as either ferromagnetic, like the decorative magnets on iron refrigerator doors that are seemingly always magnetic, or antiferromagnetic, like two bar magnets placed end-to-end with opposite poles.....»»
Exploring the origin of polaron formation in halide perovskites
Halide perovskites are a class of materials with an underlying structure resembling that of mineral perovskites, but with X sites occupied by halide ions, while their A and B sites are occupied by cations. These materials have various advantageous pr.....»»
PHP command injection flaw exploited to deliver ransomware (CVE-2024-4577)
An OS command injection vulnerability in Windows-based PHP (CVE-2024-4577) in CGI mode is being exploited by the TellYouThePass ransomware gang. Imperva says the attacks started on June 8, two days after the PHP development team pushed out fixes, and.....»»
NetSPI acquires Hubble to address asset and exposure management challenges
NetSPI announced its acquisition of Hubble, a Northern Virginia-based cyber asset attack surface management (CAASM) and cybersecurity posture management solution. The integration of Hubble’s Asset Intelligence and CAASM product, Aurora, into Th.....»»
Civilization-like Ara blurs lines between hot-seat and play-by-mail multiplayer
Plus, the game promises an innovative approach to turn-based multiplayer. Much of the time, the game looks a lot like Civilization, like in this city view......»»
Tesla Model Y was top-selling vehicle worldwide in 2023, based on registrations; China tops U.S. for first time
Combined sales of Chinese manufacturers exceeded those of American manufacturers for the first time in 2023, JATO Dynamics said, citing registration data......»»