Ultrasensitive photonic crystal detects single particles down to 50 nanometers
Using an ultrasensitive photonic crystal, TU/e researchers were able to detect single particles down to 50 nanometers in diameter. The new research has just been published in the journal Optica......»»
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 (.....»»
Ultracompact and high-efficiency liquid-crystal-on-silicon light engines for augmented reality glasses
Augmented reality (AR) and virtual reality (VR) are innovative display technologies with the ability to revolutionize the way we interact and experience the world......»»
Novel insights into fluorescent "dark states" illuminate ways forward for improved imaging
Scientists at St. Jude Children's Research Hospital have reported a way to improve molecular scale distance measurements using single-molecule fluorescence resonance energy transfer (smFRET). smFRET quantifies the excitation and emission properties o.....»»
Well-known star turns out to be not one star, but twins
Observations from the James Webb Space Telescope revealed that a particular star turned out not to be a single star at all, but actually a pair......»»
New method enables fast crystal structure analysis of intrinsically disordered proteins
Intrinsically disordered proteins (IDPs) can dynamically change their conformations depending on their external environment and can, therefore, bind to different compounds. However, they are difficult to analyze. Now, Tokyo Tech researchers have addr.....»»
Liquid crystal source of photon pairs opens path to new generation of quantum sources
Spontaneous parametric down-conversion (SPDC), as a source of entangled photons, is of great interest for quantum physics and quantum technology, but so far it could be only implemented in solids......»»
How a single atomic sensor can help track Earth"s glaciers
Earth observations are one of the most essential functions of our current fleet of satellites. Typically, each satellite specializes in one kind of remote sensing—monitoring ocean levels, for example, or watching clouds develop and move. That is pr.....»»
Everything new in iOS 18 coming this fall
Apple's keynote showcases the key features of iOS 18 in a convenient, single image. Here's what each cell of the graphic means for iPhone users in the fall.Apple's iOS 18 bentoApple's presentation of operating system updates is usually summed up thro.....»»
Everything Apple wants you to know that is coming to iOS 18
Apple's keynote showcases the key features of iOS 18 in a convenient, single image. Here's what each cell of the graphic means for iPhone users in the fall.Apple's iOS 18 bentoApple's presentation of operating system updates is usually summed up thro.....»»
A route to scalable Majorana qubits
Researchers at QuTech have found a way to make Majorana particles in a two-dimensional plane. This was achieved by creating devices that exploit the combined material properties of superconductors and semiconductors. The inherent flexibility of this.....»»
Satellite "megaconstellations" may jeopardize recovery of ozone hole
When old satellites fall into Earth's atmosphere and burn up, they leave behind tiny particles of aluminum oxide, which eat away at Earth's protective ozone layer. A new study finds that these oxides have increased 8-fold between 2016 and 2022 and wi.....»»
Novel biosensor offers enhanced DNA detection specificity
Researchers have successfully demonstrated a novel biosensor capable of detecting single-stranded DNA oligonucleotides with high specificity without needing external labels. This advancement paves the way for more accessible and efficient point-of-ca.....»»
iOS 18 lets you add new cards to Apple Pay with a single tap, Affirm integration, more
There are a number of new features coming to the Apple Wallet app with iOS 18 this year. There’s a new feature called Tap to Cash, new ways to add cards to Apple Pay, integration with Affirm for financing options, and more. Here’s a roundup o.....»»
Millions of insects migrate through 30-meter Pyrenees pass
Over 17 million insects migrate each year through a single mountain pass on the border between France and Spain, new research shows. University of Exeter scientists have studied migrating insects in the Pass of Bujaruelo, a 30-meter gap between two h.....»»
Enhancing energy conversion: Pt-Co@NCS catalyst demonstrates synergy for enhanced alkaline hydrogen evolution
A study published in the journal Materials Futures introduces the Pt-Co@NCS catalyst, showcasing a remarkable synergy between Pt nanoparticles and Co single atoms on a nitrogen-doped carbon scaffold. This innovative design overcomes the hurdle of slo.....»»
How to customize and use the all-new Control Center in iOS 18
iOS 18 brings a major update to Control Center that expands both capabilities and customization. The quick access controls go from a single page to multiple ones that you can smoothly slide through, third-party integration, and more. Here’s how to.....»»
AI method reveals millions of dead trees hidden among the living before California"s historic 2020 wildfires
University of Copenhagen scientists may have found a new explanation for the California wildfires of 2020. Applying AI to detailed aerial photos, they created a unique dataset detailing mortality down to single trees for all of California State. This.....»»
Chemists discover spontaneous nanoparticle formation in charged microdroplets
A team of chemists at the Indian Institute of Technology Madras, working with a pair of colleagues from the Jawaharlal Nehru Center for Advanced Scientific Research, both in India, has found that particles of minerals sometimes break down spontaneous.....»»
Neutrinos: The inscrutable “ghost particles” driving scientists crazy
The particles hold the keys to new physics. If only we could understand them. Enlarge / The Super-Kamiokande neutrino detector at the Kamioka Observatory in Japan. (credit: Kamioka Observatory, ICRR (Institute for Cosmic Ray Rese.....»»
Investigating collective motions in schools of zebrafish could deepen understanding of active systems
Active systems display a wide range of complex and fascinating behaviors, many of which are not yet fully understood. Found on scales ranging from microbes and self-propelling particles to large groups of fish, birds, and mammals, they are made up of.....»»