Dynamic metasurfaces and metadevices empowered by graphene
A new publication in Opto-Electronic Advances overviews dynamic metasurfaces and metadevices empowered by graphene......»»
Development of organic semiconductors featuring ultrafast electrons
Scientists have created conducting two-dimensional polymers exhibiting electron mobility comparable to graphene. Their research has been featured in the online edition of Chem......»»
Capturing DNA origami folding with a new dynamic model
Most people are familiar with the DNA double-helix. Its twisted ladder shape forms because the long pieces of DNA that make up our genome are exactly complementary—every adenine paired to a thymine, and every cytosine paired to a guanine. Sequences.....»»
Thermal properties of new 2D materials for microchips can now be measured well
Making ever smaller and more powerful chips requires new ultrathin materials: 2D materials that are only 1 atom thick, or even just a couple of atoms. Think about graphene or ultra-thin silicon membrane for instance......»»
First evidence of human occupation in lava tube cave in Saudi Arabia
Recent strides in interdisciplinary archaeological research in Arabia have unveiled new insights into the evolution and historical development of regional human populations, as well as the dynamic patterns of cultural change, migration, and adaptatio.....»»
Gigahertz-rate switchable wavefront shaping by LNOI-empowered metasurface
Over the past decade, metasurfaces deploying two-dimensional artificial nanostructures have emerged as a groundbreaking platform to manipulate light across various degrees of freedom. These metasurfaces exhibit significant potential in foundational s.....»»
Making ultra-fast electron measurements in multiple directions to reveal the secrets of the aurora
The energetic electrons that drive the aurora borealis (the northern lights) have a rich and very dynamic structure that we currently do not fully understand. Much of what we know about these electrons comes from instruments that have fundamental lim.....»»
How manual access reviews might be weakening your defenses
As businesses evolve, they often experience changes in roles, partnerships, and staff turnover. This dynamic can result in improper access to data and resources. Such mismanagement leads to superfluous expenses from excessive software licensing fees.....»»
Team demonstrates an ultra-broadband tunable terahertz absorber of graphene and hierarchical plasmonic metamaterials
Perfect absorption arises from the strong interaction of valence electrons with light in a conducting material. Optical metamaterial is an effective approach to exploit the superior photon capture capability. Thus, the perfect absorbers could be achi.....»»
A novel liquid crystal-based tunable dielectric metasurface
Dielectric metasurfaces represent one of the cutting-edge research and application directions in optics. They not only possess the advantage of low loss but also enable the realization of device thicknesses at subwavelength scales. Moreover, they can.....»»
Supergene research solves the mystery of tiny ant queens
An ant colony is sustained through complex social dynamics, with each member—the queen, males and workers (sterile females)—contributing to the greater community. Some species add complexity to this dynamic with the addition of rather small queen.....»»
Malwarebytes adds AI functionality to ThreatDown Security Advisor
Malwarebytes has added AI functionality to its Security Advisor, available in every ThreatDown Bundle. Leveraging generative AI technology, the new capabilities will transform Security Advisor into a dynamic experience that allows customers to use si.....»»
Advancing soybean yield through high-throughput UAV phenotyping and dynamic modeling
Soybeans, valued for their use as both oilseeds and grains, encounter yield limitations compared to crops like maize and rice, emphasizing the necessity for developing higher-yielding varieties......»»
Regulating atomic Fe-Rh site distance for efficient oxygen reduction reaction
In a study published in the journal Science China Chemistry, the authors systematically design and investigate the site-distance effect of Fe-Rh atom catalysts (Fe-Rhx@NC) supported by N-doped graphene for ORR by an integrated theoretical and experim.....»»
Synopsys fAST Dynamic enables DevOps teams to fix security vulnerabilities in modern web apps
Synopsys released Synopsys fAST Dynamic, a new dynamic application security testing (DAST) offering on the Synopsys Polaris Software Integrity Platform. fAST Dynamic enables development, security, and DevOps teams to find and fix security vulnerabili.....»»
Unlocking clearer views of our world"s water: A Landsat legacy
Satellite remote sensing is vital for monitoring marine and freshwater ecosystems, leveraging missions like SeaWiFS, MODIS, MERIS, Landsat, and Sentinel to track water parameters such as chlorophyll, sediment, and temperature. The dynamic nature of w.....»»
Researchers discover tightest arrangement of bilayer alkali metals between graphene layers
Researchers at AIST, in collaboration with Osaka University, Tokyo Polytechnic University, Kyushu University, and National Tsing Hua University, have developed a technique to insert alkali metals into the interlayers of graphene, which is a single la.....»»
New method for tracking water bodies improves security against extreme events
Surface water (SW) is crucial for life, ecosystems, and human activities, serving many functions from climate regulation to supporting biodiversity and agriculture. It's highly dynamic, influenced by climate change, land use alterations, and human in.....»»
Chiral transmission by an open evolution trajectory in a non-Hermitian system
In non-Hermitian systems, two or more eigenvalues and eigenstates of a resonant system coalesce at Exceptional points (EPs). Dynamic encircling of EPs has received significant interest in recent years, as it leads to highly nontrivial phenomena, such.....»»
Operational modal analysis of the Artemis I dynamic rollout test
Operational modal analysis (OMA) techniques have been used to identify the modal characteristics of the Artemis I launch vehicle during the Dynamic Rollout Test (DRT) and Wet Dress Rehearsal (WDR) configuration prior to launch. Forces induced during.....»»
How to measure the health of online communities
Experts from the SNF Agora Institute at Johns Hopkins University and New_ Public have published an innovative new approach to measure the health of online communities. According to their report, titled "Dynamic Polycentrism," in order to determine th.....»»