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Dynamic metasurfaces and metadevices empowered by graphene

A new publication in Opto-Electronic Advances overviews dynamic metasurfaces and metadevices empowered by graphene......»»

Category: topSource:  physorgMay 5th, 2022

Study investigates enhancing superconductivity of graphene-calcium superconductors

Superconductors are materials that can conduct electricity with zero resistance when they are cooled below a certain critical temperature. They have applications in several fields, including magnetic resonance imaging, particle accelerators, electric.....»»

Category: topSource:  physorgRelated NewsMay 20th, 2024

LG updates its Tone Free earbuds with ‘pure graphene’ drivers

LG's latest wireless earbuds are claimed to offer better sound quality thanks to the use of pure graphene drivers......»»

Category: topSource:  digitaltrendsRelated NewsMay 16th, 2024

Ultrasensitive gas detection empowered by synergy of graphene and sub-comb dynamics

Since the inception of microcomb, whose generation relies on Kerr nonlinearity in microresonator, the coherent soliton state has attracted intense research. Although the operation of sub-comb outputs is straightforward, as a noncoherent comb state,.....»»

Category: topSource:  physorgRelated NewsMay 14th, 2024

Electron vortices in graphene detected for the first time

When an ordinary electrical conductor—such as a metal wire—is connected to a battery, the electrons in the conductor are accelerated by the electric field created by the battery. While moving, electrons frequently collide with impurity atoms or v.....»»

Category: topSource:  physorgRelated NewsMay 13th, 2024

Training Today Apple Watch app gains dynamic cycling workouts for more intentional rides

Training Today is a clever app that offers Apple Watch users a “readiness to train” score to help know when to rest, push, and more. Now the watchOS and iOS app have been updated with “dynamic cycling workouts” to train more intentionally on.....»»

Category: topSource:  theglobeandmailRelated NewsMay 11th, 2024

Scientists create black arsenic visible infrared photodetectors

In recent years, the exceptional structure and fascinating electrical and optical properties of two-dimensional (2D) layered crystals have attracted widespread attention. Examples of such crystals include graphene, black phosphorus (BP), and transiti.....»»

Category: topSource:  physorgRelated NewsMay 8th, 2024

Linux QR Codes: A Practical Guide for Dynamic Generation

Linux QR Codes: A Practical Guide for Dynamic Generation.....»»

Category: topSource:  unixmenRelated NewsMay 8th, 2024

iPhone 17 Pro rumored to get 12GB of RAM

A new rumor suggests the iPhone 17 Pro, due in 2025, will increase to 12GB of RAM and have a more narrow Dynamic Island cutout.The Dynamic Island cutout could get smaller in future modelsApple won't reveal the iPhone 16 lineup until September 2024, b.....»»

Category: appleSource:  appleinsiderRelated NewsMay 6th, 2024

Study reveals rockburst processes, characteristics and triggering mechanisms

Field observations have revealed that highly stressed D-shape tunnels experience sidewall rockburst triggered by impact loads stemming from rock blasting or other mining-related dynamic disturbances......»»

Category: topSource:  physorgRelated NewsMay 6th, 2024

Two facilities team up for structural biology advances with X-ray free-electron lasers and exascale computing

Plans to unite the capabilities of two cutting-edge technological facilities promise to usher in a new era of dynamic structural biology. Through DOE's Integrated Research Infrastructure, or IRI, initiative, the facilities will complement each other'.....»»

Category: topSource:  physorgRelated NewsMay 6th, 2024

Scientists use high pressure NMR spectroscopy to study structure of dynamic proteins

A pressure of 3,000 bar is applied to the cold shock protein B of Bacillus subtilis in a small tube in the NMR spectroscopy laboratory at the University of Konstanz. This is roughly three times the water pressure at the deepest point of the ocean. Th.....»»

Category: topSource:  physorgRelated NewsMay 6th, 2024

Attosecond core-level spectroscopy reveals real-time molecular dynamics

Chemical reactions are complex mechanisms. Many different dynamic processes are involved, affecting both the electrons and the nucleus of the present atoms. Very often, the strongly coupled electron and nuclear dynamics induce radiation-less relaxati.....»»

Category: topSource:  physorgRelated NewsMay 6th, 2024

iPhone 17 rumors: Redesign with smaller Dynamic Island, new ‘Slim’ model, more

Apple has big changes in store for next year’s iPhone 17 lineup, according to a new report from reliable Haitong International Securities analyst Jeff Pu. In an investor note seen by 9to5Mac, Pu says that the iPhone 17 models will feature a refresh.....»»

Category: topSource:  informationweekRelated NewsMay 6th, 2024

Researchers unveil single-shot and complete polarization imaging system using metasurfaces

Think of all the information we get based on how an object interacts with wavelengths of light—aka color. Color can tell us if food is safe to eat or if a piece of metal is hot. Color is an important diagnostic tool in medicine, helping practitione.....»»

Category: topSource:  physorgRelated NewsMay 2nd, 2024

The Samsung Galaxy Book4 Pro has a rare $590 price cut today

The Samsung Galaxy Book4 Pro 360 is a premium 2-in-1 laptop with a 16-inch Dynamic AMOLED 2X touchscreen that's available from Samsung for a discounted $1,595......»»

Category: topSource:  digitaltrendsRelated NewsMay 2nd, 2024

Prompt Fuzzer: Open-source tool for strengthening GenAI apps

Prompt Fuzzer is an open-source tool that evaluates the security of your GenAI application’s system prompt against dynamic LLM-based threats. Prompt Fuzzer features Simulation of over a dozen types of GenAI attacks The tool contextualizes itsel.....»»

Category: securitySource:  netsecurityRelated NewsApr 29th, 2024

Getting dynamic information from static snapshots

Imagine predicting the exact finishing order of the Kentucky Derby from a still photograph taken 10 seconds into the race......»»

Category: topSource:  informationweekRelated NewsApr 27th, 2024

Scientists combine a spatially distributed sediment delivery model and biogeochemical model to estimate fluxes by water

Water erosion is the most active process controlling soil formation and evolution, which can affect the redistribution of carbon between terrestrial, aquatic, and atmospheric ecosystems. Erosion-induced organic carbon dynamic process should not be mi.....»»

Category: topSource:  physorgRelated NewsApr 25th, 2024

Startup financing gender gaps greater in societies where women are more empowered: Study

Commercial bankers provide capital to fund the operations and growth of businesses. However, as these lenders evaluate entrepreneurs who apply for loans, gender bias leads to women being denied more often than their male counterparts......»»

Category: topSource:  physorgRelated NewsApr 24th, 2024

Study suggests that cells possess a hidden communication system

Cells constantly navigate a dynamic environment, facing ever-changing conditions and challenges. But how do cells swiftly adapt to these environmental fluctuations?.....»»

Category: topSource:  physorgRelated NewsApr 24th, 2024