Iso-propagation vortices: Optical multiplexing for unprecedented information capacity
The future of optical communications just got brighter. In a development reported in Advanced Photonics, researchers from Nanjing University have introduced iso-propagation vortices (IPVs), a novel concept that offers a solution to a long-standing ch.....»»
Malicious emails trick consumers into false election contributions
Major regional and global events – such as military exercises, political or economic summits, political conventions, and elections – drove cyber threat activities, according to Trellix. “The last six months have been unprecedented – a sta.....»»
US sexual health curriculum could force LGBTQ+ students to seek education outside of school, survey suggests
Children across the United States who identify as LGBTQ+ say the sexual health education curricula they receive is leaving them without essential information to make informed decisions about their sexual health—which could force them to seek potent.....»»
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......»»
Sonos removes a promise to not sell personal data, gets busted by users
Audio hardware maker Sonos has removed a promise from its US user agreement that it wouldn't sell users' personal information, which went unnoticed until eagle-eyed users spotted the change.Sono users are angry about recent changes to the lineup's ap.....»»
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 (.....»»
Seeing at a distance with multicore fibers: All-optical, ultra-long-distance image acquisition and transmission system
With the exponential growth of data globally, the demand for high-speed acquisition and long-distance transmission of multidimensional data is escalating. Online video surveillance in sectors like industrial manufacturing has significantly boosted pr.....»»
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.....»»
Land management and climate change affect ecosystems" ability to provide multiple services simultaneously, study shows
A novel study published in Nature Communications found that agroecosystems in Central Germany, specifically grasslands and croplands, may have an enhanced capacity to provide multiple goods and services simultaneously when land management reduces the.....»»
Physicists report optical analog of Kármán vortex street
In a study published in Nature Communications, collaborating physicists from Singapore and the UK have reported an optical analog of the Kármán vortex street (KVS). This optical KVS pulse reveals fascinating parallels between fluid transport and en.....»»
Expecting the unexpected could help us prepare for climate extremes
The U.S. Pacific Northwest experienced an unprecedented heat wave in summer 2021, with many locations in the region breaking all-time maximum temperature records by more than 9 °F (5 °C). Although weather models had forecasted the warmer-than-avera.....»»
Scientists unveil all-optical phase conjugation method using diffractive wavefront processing
Scientists at the University of California, Los Angeles (UCLA) have unveiled a technology that could revolutionize the fields of imaging and optical communications. Led by Aydogan Ozcan and his team, the research introduces an all-optical phase conju.....»»
Hera and its CubeSats speak with mission control
ESA's Hera asteroid mission and its two CubeSats interacted as if they were in space, within the foam pyramid-lined walls of the Agency's Maxwell test chamber in the Netherlands. The trio communicated together, sharing data and ranging information at.....»»
Scientists propose distance-based visual miRNA biosensor
Point-of-care testing (POCT) devices show great advantages over conventional diagnostic tests in being accessible to patients and providing timely diagnostic information. The global POCT market has grown remarkably over the past few decades. Distance.....»»
Atmospheric sulfur dioxide levels hit historic high in Scotland following Icelandic volcanic eruption
Edinburgh, no stranger to an occasional haze, experienced an unprecedented atmospheric event on 31 May, unlike any seen over the past 30 years. While sea haar from the North Sea often blankets Scotland's capital, the haze observed that Friday felt di.....»»
Silicon carbide/carbon microspheres maintain performance in harsh environments
With the rapid development of electronic information technology, electromagnetic wave absorption materials play a crucial role in military applications such as electromagnetic protection and stealth devices, as well as in the defense industry......»»
Spotify’s lossless tier could be a pricey affair
Leaked information has revealed the potential pricing for Spotify’s upcoming lossless tier that could add an extra $5 a month to your bill. The post Spotify’s lossless tier could be a pricey affair appeared first on Phandroid. We have.....»»
Apple"s core Calendar and Reminders apps can finally talk to each other with iOS 18
With Apple's latest operating systems, iOS 18, iPadOS 18, and macOS Sequoia, It's now possible to create and manage Reminders directly from the built-in Calendar app.Calendar and Reminders will be able to share information in IOS 18At the company's a.....»»
Transparent organic–inorganic hybrid photoresist enables precision machining of optical microstructures
Researchers at Beijing University of Chemical Technology (BUCT) and BOE Technology Group Co., Ltd. (BOE) have developed a novel type of transparent organic–inorganic hybrid photoresist with highly tunable refractive index......»»
iOS 18 will warn you when you’re using a slow iPhone charger
iOS 18 includes a couple of notable changes to iPhone battery health and charging settings. Apple has added more charging limit settings for iPhone 15 users, along with information about when you’re using a slow charger. more….....»»