Researcher creates optical magnetometer prototype that detects errors in MRI scans
Hvidovre Hospital has the world's first prototype of a sensor capable of detecting errors in MRI scans using laser light and gas. The new sensor, developed by a young researcher at the University of Copenhagen and Hvidovre Hospital, can thereby do wh.....»»
A golden layer unlocks sharper imaging and faster scanning with X-rays
Scientists have made a breakthrough in significantly improving the sharpness of X-ray imaging and potentially boosting the speeds at which X-ray scans can be processed. This lays the groundwork for both better medical imaging and faster security clea.....»»
Google unveils Veo, a high-definition AI video generator that may rival Sora
Google's video synthesis model creates minute-long 1080p videos from written prompts. Enlarge / Still images taken from videos generated by Google Veo. (credit: Google / Benj Edwards) On Tuesday at Google I/O 2024, Googl.....»»
A thousand times smaller than a grain of sand—glass sensors 3D-printed on optical fiber
In a first for communications, researchers in Sweden 3D printed silica glass micro-optics on the tips of optic fibers—surfaces as small as the cross section of a human hair. The advance could enable faster internet and improved connectivity, as wel.....»»
Google strikes back at OpenAI with “Project Astra” AI agent prototype
AI model updates galore at Google I/O, including 2M context window, Imagen 3, Veo, and more. Enlarge / A video still of Project Astra demo at the Google I/O conference keynote in Mountain View on May 14, 2024. (credit: Google).....»»
Discovery of the first ancestors of scorpions, spiders and horseshoe crabs
Who were the earliest ancestors of scorpions, spiders and horseshoe crabs? A Ph.D. student from the University of Lausanne (Switzerland), with the support of a CNRS researcher, has identified a fossil that fills the gap between modern species and tho.....»»
New optical tweezers can trap large and irregularly shaped particles
Researchers have developed new optical tweezers that can stably trap particles that are large—about 0.1 mm—and irregularly shaped. While conventional optical tweezers use highly focused laser beams to trap micro- or nano-scale rod shaped or spher.....»»
Scientists create an "optical conveyor belt" for quasiparticles
Using interference between two lasers, a research group led by scientists from RIKEN and NTT Research have created an "optical conveyor belt" that can move polaritons—a type of light-matter hybrid particle—in semiconductor-based microcavities. Th.....»»
Optical power evolution in fiber-optic networks: New framework for better modeling and control
With the emergence of internet services such as AI-generated content and virtual reality, the demand for global capacity has surged, significantly intensifying pressures on fiber-optic communication systems. To address this surge and reduce operation.....»»
The ancient Egyptian goddess of the sky: How a researcher used modern astronomy to explore her link with the Milky Way
What did our ancestors think when they looked up at the night sky? All cultures ascribed special meaning to the sun and the moon, but what about the pearly band of light and shadow we call the Milky Way?.....»»
Parity-time symmetry: Unlocking faster and stronger optical signal processing
In the era of big data, signal processing faces significant challenges in terms of capacity and energy consumption due to the torrent of data to process. With over 90% of data transmitted through light, optical signal processing may offer unprecedent.....»»
Q&A: Researcher exposes child labor trafficking as a hidden crime after investigating 132 victims
Children trafficked for their labor often work in public view in restaurants, laundromats, agricultural fields and water parks, but little has been known about their plight......»»
Researchers demonstrate low-loss and polarization-independent integrated optical colorless ROADM
The implementation of integrated optical switches shows promise in the size reduction of ROADMs for greater flexibility and compactness, ultimately leading to robust single-chip solutions. Despite decades of research on switches with various structur.....»»
Researchers harness blurred light to 3D-print high-quality optical components
Canadian researchers have developed a new 3D printing method called blurred tomography that can rapidly produce microlenses with commercial-level optical quality. The new method may make it easier and faster to design and fabricate a variety of optic.....»»
Unearthing the impacts of hydrological sensitivity on global rainfall
Georgia Tech researcher Jie He set out to predict how rainfall will change as Earth's atmosphere continues to heat up. In the process, he made some unexpected discoveries that might explain how greenhouse gas emissions will impact tropical oceans, af.....»»
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.....»»
Ghost Security Phantasm detects attackers targeting APIs
Ghost Security announced the early access availability of Phantasm, application-specific threat intelligence poised to fill a large gap that currently exists in both threat intelligence and application security. Developed by a team of industry expert.....»»
FKA twigs Creates Deepfake AI Version of Herself With a Special Use in Mind
British singer-songwriter FKA twigs addressed a U.S. Senate subcommittee about the dangers of artificial intelligence. British singer-songwriter FKA twigs, born Tahliah Debrett Barnett, testified before the U.S. Senate Judiciary Su.....»»
Risky outdoor play can boost science education
Risky play should be incorporated into early childhood science education in nature-based settings to lay early foundations for science education, says Deakin researcher......»»
Researcher analyzes 3,356 signs to see how language use is changing in three Latino neighborhoods in Philly
Signs written in Spanish are becoming less common along North Philadelphia's Golden Block, or El Bloque de Oro—which runs along North Fifth Street from Lehigh Avenue to Allegheny Avenue and is considered the cultural center of the city's long-stand.....»»
Materials scientists reveal pathway for designing optical materials with specialized properties
While we usually think of disorder as a bad thing, a team of materials science researchers led by Rohan Mishra, from Washington University in St. Louis, and Jayakanth Ravichandran, from the University of Southern California, have revealed that—when.....»»