Ultrathin vanadium oxychloride demonstrates strong optical anisotropic properties
The optical, electrical and mechanical properties of some materials change depending on the direction or orientation of the material. Depending on how wood is cut, for example, the orientation of the wood grain can result in a stronger or weaker mate.....»»
Study of cloud movement in the Arctic could provide better understanding of climate change in the region
Special features of the Arctic climate, such as the strong reflection of the sun's rays off the light snow or the low position of the sun, amplify global warming in the Arctic. However, researchers are often faced with the challenge of modeling the u.....»»
Combining aesthetics with fire-resistance for improved wood protection
Wood is a popular material for construction and furniture making due to its availability, easy processing, and strong mechanical properties. However, its flammability poses significant risks, particularly in historical buildings......»»
Beyond point-to-point triangulation: Dynamic 3D imaging under global illumination
As the "eyes of industry," 3D measurement technology provides comprehensive, accurate, and reliable 3D information for high-end precision manufacturing. Optical measurement methods, such as structured light projection, have been widely adopted in var.....»»
Scientists demonstrate octave-spanning soliton frequency combs on thin-film lithium niobate
The invention of optical frequency combs revolutionized frequency metrology and time-keeping. Miniaturization of such combs onto photonic chips, primarily leveraging the microresonator Kerr soliton frequency comb, expands on these functionalities by.....»»
Beats by Dre teases new PowerBeats Pro 2 headphones for 2025
In an unusual move, Apple's Beats by Dre subsidiary has announced an update to its PowerBeats Pro line, at least months before launch.The original PowerBeats ProThe original Powerbeats Pro came out in 2019, and were strong, luxury headphones, if with.....»»
Warhammer 40K: Space Marine 2 is serious heavy-metal shooting and slashing
Strong first impressions of a game filled with enemy hordes and dark metal lore. Enlarge / There are different types of Space Marines. Some of them are traitors. All of them weigh as much as a Fiat 500. If you had given.....»»
Study: Giant ultrafast dichroism and birefringence with active nonlocal metasurfaces
The fine and efficient control of the properties of light at ultrafast speed down to the picosecond timescale is a challenging task, crucial for many scientific applications and technologies. For instance, in free-space optical links, manipulating on.....»»
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,.....»»
Cold-atom simulator demonstrates quantum entanglement between electronic and motional states
Researchers from the Institute for Molecular Science have revealed quantum entanglement between electronic and motional states in their ultrafast quantum simulator, generated by the repulsive force due to the strong interaction between Rydberg atoms......»»
The Casting of Frank Stone review: Dead by Daylight spinoff struggles to execute
The Casting of Frank Stone starts strong, but winds up feeling a little too invested in fleshing out Dead by Daylight's lore......»»
Double-peaked supernovae offer clues to pre-supernova outbursts
New research helps in understanding the evolution and final stages of massive stars, the role of binary interactions, and the mechanisms behind mass loss, which ultimately affect the properties of the resulting supernova and its remnant. This work al.....»»
Two years later, the first Apple Watch Ultra is still excellent
We could be getting a new Apple Watch Ultra 3 in just a couple of weeks, but my original Apple Watch Ultra is still going strong......»»
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.....»»
Advances in optical micronanofiber-enabled tactile sensors and soft actuators
A perfect combination of fiber optics and micro/nanotechnology, optical micro/nanofiber (MNF) is a new type of micro/nano-waveguide structure developed in recent years......»»
Accenture expands partnership with Google Cloud to boost AI adoption and cybersecurity
Accenture and Google Cloud announced that their strategic alliance is advancing solutions for enterprise clients and seeing strong momentum across industries in two critical and related areas: GenAI and cybersecurity. As part of the announcement toda.....»»
Cyber threats that shaped the first half of 2024
Global cybercrime has shown no sign of decline and is expected to grow strong per year over the next five years. To identify the most urgent cybersecurity threats of the first half of 2024, the Critical Start Cyber Research Unit (CRU) analyzed 3,438.....»»
Novel probiotics identified in traditional Brazilian cheeses
Research conducted at the Center for Dairy Technology (Tecnolat) in Campinas, São Paulo state, Brazil, has identified lactic acid bacteria (LAB) that have probiotic properties and are beneficial to human health in samples of traditional Brazilian ch.....»»
Why Americans do political speeches so well (and debates so badly)
The recent Democratic National Convention in Chicago was a showcase of impressive speeches. Presidential nominee Kamala Harris jupstified the newfound enthusiasm of Democrats with a strong acceptance speech, but even she couldn't match the oratorical.....»»
New Sisyphus cooling technique could enhance precision of atomic clocks
Researchers in the Neutral Atom Optical Clocks Group at the National Institute of Standards and Technology (NIST), University of Colorado and Pennsylvania State University recently devised a new sub-recoil Sisyphus cooling technique that could help t.....»»
LLMs have a strong bias against use of African American English
Feedback gets rid of overt biases but leaves subtle racism intact. Enlarge (credit: Aurich Lawson | Getty Images) As far back as 2016, work on AI-based chatbots revealed that they have a disturbing tendency to reflect so.....»»