Âé¶¹ÒùÔº - latest science and technology news stories / en-us Âé¶¹ÒùÔº internet news portal provides the latest news on science including: Âé¶¹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. New relay architecture based on a quantum dot single-photon source enables secure communication across 300 km Quantum technologies are systems that can compute data, sense their surrounding environment or perform other functions leveraging quantum mechanical effects. Connecting these technologies over long distances has so far proved challenging, as quantum information can easily become scrambled or destroyed following decoherence resulting from the systems' interactions with their surrounding environment. /news/2025-09-relay-architecture-based-quantum-dot.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Tue, 23 Sep 2025 06:30:01 EDT news677159777 An eco-friendly way to see in the dark using colloidal quantum dots Manufacturers of infrared cameras face a growing problem: The toxic heavy metals in today's infrared detectors are increasingly banned under environmental regulations, forcing companies to choose between performance and compliance. /news/2025-09-eco-friendly-dark-colloidal-quantum.html Nanophysics Nanomaterials Mon, 22 Sep 2025 13:19:19 EDT news677765954 Nanoparticles supercharge vinegar's old-fashioned wound healing power Wounds that do not heal are often caused by bacterial infections and are particularly dangerous for the elderly and people with diabetes, cancer and other conditions. Acetic acid (more commonly known as vinegar) has been used for centuries as a disinfectant, but it is only effective against a small number of bacteria, and it does not kill the most dangerous types. /news/2025-09-nanoparticles-supercharge-vinegar-fashioned-wound.html Bio & Medicine Mon, 22 Sep 2025 12:26:03 EDT news677762761 Quantum scars boost electron transport and drive the development of microchips Quantum physics often reveals phenomena that defy common sense. A new theory of quantum scarring deepens our understanding of the connection between the quantum world and classical mechanics, sheds light on earlier findings and marks a step forward toward future technological applications. /news/2025-09-quantum-scars-boost-electron-microchips.html Condensed Matter Quantum Âé¶¹ÒùÔºics Fri, 19 Sep 2025 10:29:03 EDT news677496541 Disease experts team up with museum to create a forecast for West Nile virus A new study published in the journal Science of The Total Environment has significant bearing on the hackneyed joke about chickens and their numerous reasons for crossing roads. In Florida, there's a good chance that the chicken crossed the road because it had completed its year-long conscripted service as a disease sentinel, a sort of early alarm signal for mosquito virus activity across the state. /news/2025-09-disease-experts-team-museum-west.html Ecology Molecular & Computational biology Tue, 16 Sep 2025 17:02:07 EDT news677260921 Quantum calculations provide a sharper image of subatomic stress Stress is a very real factor in the structure of our universe. Not the kind of stress that students experience when taking a test, but rather the physical stresses that affect everyday objects. Consider the stress that heavy vehicles exert on a bridge as they cross over it—it's essential that engineers understand and consider this factor when designing new trestles. Or consider the stresses that a star experiences—this internal factor influences everything from its shine to its lifetime. /news/2025-09-quantum-sharper-image-subatomic-stress.html General Âé¶¹ÒùÔºics Quantum Âé¶¹ÒùÔºics Tue, 09 Sep 2025 13:22:04 EDT news676642921 Core technology developed for ultra-high-resolution quantum dot displays A research team has developed a direct optical lithography (DOL) technology that patterns quantum dots (QDs) at ultra-high resolution using only light, without photoresist. Through this, they also provided guidelines for selecting cross-linkers essential for fabricating high-performance QLEDs. This achievement is regarded as a core fundamental technology that can be applied to a wide range of optoelectronic devices, including micro-QLEDs, ultra-high-resolution displays, transparent electronic devices, and next-generation image sensors. /news/2025-09-core-technology-ultra-high-resolution.html Nanophysics Nanomaterials Mon, 08 Sep 2025 15:19:03 EDT news676563542 Quantum dot and polymer cross-linking enables 50% stretch capability for micro-LED displays A research team has developed a next-generation display core material with excellent stretchability and superior color reproduction. The team developed a high-performance color-conversion layer that is more flexible and vivid than conventional ones. This layer was successfully applied to the development of a stretchable micro-LED display, drawing significant attention. /news/2025-09-quantum-dot-polymer-linking-enables.html Nanomaterials Mon, 08 Sep 2025 15:14:03 EDT news676563241 Saturday Citations: Ant species clones workers; a primordial black hole candidate; an anti-tumor carotenoid This week: Researchers reported that evolutionary mutations are genome-driven, not random. Quantum physicists observed the magnetic nucleus of an atom switching back and forth in real time. And a new catalyst could simplify plastics recycling. /news/2025-09-saturday-citations-ant-species-clones.html Other Sat, 06 Sep 2025 09:00:01 EDT news676291542 Making diamonds with electron radiation There are various ways to create artificial diamonds, but a new method developed by researchers, including those at the University of Tokyo, yields some extra benefits. /news/2025-09-diamonds-electron.html Analytical Chemistry Materials Science Thu, 04 Sep 2025 14:00:12 EDT news676031342 Built for brilliance: Zintl-phase quantum dots illuminate new opportunities for optoelectronics Just one year after NREL materials science researchers Matthew Hautzinger and Sage Bauers met to exchange notes on underexplored materials in nanotechnology, their synthesis of promising Zintl-phase quantum dots is attracting attention with its bright photoluminescent glow, chemical stability, and Earth-abundant ingredients. /news/2025-09-built-brilliance-zintl-phase-quantum.html Nanophysics Nanomaterials Thu, 04 Sep 2025 09:14:04 EDT news676196041 Quantum entanglement lasts 600 times longer in elusive dark states, study finds A research team affiliated with UNIST has successfully demonstrated the experimental creation of collective quantum entanglement rooted in dark states—previously confined to theoretical models. The findings are published online in Nature Communications. /news/2025-09-quantum-entanglement-longer-elusive-dark.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Mon, 01 Sep 2025 11:52:03 EDT news675946321 New mechanism of nanoparticle formation overcomes century-old classical model Nanoparticles have diverse applications in modern science and industry, powering technologies like quantum-dot displays, nanocatalysts and drug delivery. Their unique physicochemical properties, which can be tuned by changing their size and shape, make them highly attractive. /news/2025-08-mechanism-nanoparticle-formation-century-classical.html Nanophysics Nanomaterials Thu, 28 Aug 2025 10:28:04 EDT news675595681 Novel approach suppresses magnetic noise for the fast optical control of a coherent hole spin in a microcavity Quantum technologies, devices that work by leveraging quantum mechanical effects, could outperform classical technologies in some fields and settings. The so-called spin (i.e., intrinsic angular momentum) carried by quantum particles is central to the functioning of quantum systems, as it can store quantum information. /news/2025-08-approach-suppresses-magnetic-noise-fast.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Wed, 27 Aug 2025 07:40:01 EDT news675348018 High-binding-energy material achieves record QLED efficiency and lifetime A research team has developed a new material that can significantly enhance the lifetime and efficiency of quantum-dot light-emitting diodes (QLEDs), which is a next-generation display technology. Applying a high-binding-energy organic material, which is resistant to degradation under electrical and thermal stress, to the hole transport layer (HTL) is expected to contribute to developing next-generation QLEDs that can maintain brightness and stability over extended periods. /news/2025-08-high-energy-material-qled-efficiency.html Nanophysics Nanomaterials Mon, 25 Aug 2025 16:55:03 EDT news675359701 Meet Rainbow: The multi-robot lab racing to discover the next quantum dots Researchers at North Carolina State University have unveiled Rainbow, a first-of-its-kind multi-robot self-driving laboratory that autonomously discovers high-performance quantum dots—semiconductor nanoparticles critical for next-generation displays, solar cells, LEDs and quantum-engineering technologies. /news/2025-08-rainbow-multi-robot-lab-quantum.html Nanomaterials Mon, 25 Aug 2025 10:13:03 EDT news675335581 Advanced computer modeling predicts molecular-qubit performance A qubit is the delicate, information-processing heart of a quantum device. In the coming decades, advances in quantum information are expected to give us computers with new, powerful capabilities and detectors that can pick up atomic-scale signals in medicine, navigation and more. The realization of such technologies depends on having reliable, long-lasting qubits. /news/2025-08-advanced-molecular-qubit.html Quantum Âé¶¹ÒùÔºics Fri, 22 Aug 2025 10:39:05 EDT news675077941 Imperfect light sources achieve new benchmark in secure quantum communication A team of physicists at the Hebrew University of Jerusalem has made a breakthrough that could bring secure quantum communication closer to everyday use—without needing flawless hardware. /news/2025-08-imperfect-sources-benchmark-quantum-communication.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Thu, 21 Aug 2025 15:41:03 EDT news675009661 X-ray flashes reveal how electron-hole pairs tug at atoms inside quantum dots When light hits solar cells, so-called electron-hole pairs are created: the electrons are excited and can move almost freely in the material—i.e. to generate electricity. The electrons will leave 'positive gaps," so-called holes, in the semiconductor material. They can also move through the material. Both electrons and holes carry an electrical charge. They deform the surrounding atomic lattice on their way through the material slightly. /news/2025-08-ray-reveal-electron-hole-pairs.html Nanophysics Nanomaterials Mon, 18 Aug 2025 13:10:16 EDT news674741402 The first experimental realization of quantum optical skyrmions in a semiconductor QED system Skyrmions are localized, particle-like excitations in materials that retain their structure due to topological constraints (i.e., restrictions arising from properties that remain unchanged under smooth deformations). These quasiparticles, first introduced in high-energy physics and quantum field theory, have since attracted intense interest in condensed matter physics and photonics, owing to their potential as robust carriers for information storage and manipulation. /news/2025-08-experimental-quantum-optical-skyrmions-semiconductor.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Wed, 13 Aug 2025 08:30:01 EDT news674226132 Quantum dot technique improves multi-photon state generation A photonics research group co-led by Gregor Weihs of the University of Innsbruck has developed a new technique for generating multi-photon states from quantum dots that overcomes the limitations of conventional approaches. This has immediate applications in secure quantum key distribution protocols, where it can enable simultaneous secure communication with different parties. /news/2025-08-quantum-dot-technique-multi-photon.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Mon, 11 Aug 2025 16:22:03 EDT news674148121 A silver nanowire web: Engineers develop new transparent electrode for infrared cameras Infrared imaging helps us see things the human eye cannot. The technology—which can make visible body heat, gas leaks or water content, even through smoke or darkness—is used in military surveillance, search and rescue missions, health care applications and even in autonomous vehicles. /news/2025-08-silver-nanowire-web-transparent-electrode.html Nanophysics Nanomaterials Fri, 01 Aug 2025 09:40:04 EDT news673260002 First quantum confinement achieved without physical downsizing Quantum confinement is a physical effect that occurs when the size of a material—usually a semiconductor or conductor—is reduced to the nanoscale, thereby restricting the movement of electrons or holes. /news/2025-07-quantum-confinement-physical-downsizing.html Nanophysics Nanomaterials Wed, 23 Jul 2025 11:00:09 EDT news672420002 Engineers achieve efficient integration of quantum dot lasers on silicon chiplets Lasers that are fabricated directly onto silicon photonic chips offer several advantages over external laser sources, such as greater scalability. Furthermore, photonic chips with these "monolithically" integrated lasers can be commercially viable if they can be manufactured in standard semiconductor foundries. /news/2025-07-efficient-quantum-dot-lasers-silicon.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Fri, 18 Jul 2025 10:20:04 EDT news672050613 Electrochemical route allows for synthesis of giant fullerenes at lower cost, less environmental impact A study conducted by researchers at the University of São Paulo (USP) in Brazil and the Università degli Studi di Roma "La Sapienza" in Italy has synthesized fullerenes and hollow spherical graphene particles using only natural graphite, ethanol, water, and sodium hydroxide under ambient conditions. Published in the journal Diamond and Related Materials, the research showed the feasibility of producing structures that previously required extremely high temperatures using an electrochemical route. /news/2025-07-electrochemical-route-synthesis-giant-fullerenes.html Materials Science Thu, 17 Jul 2025 13:08:37 EDT news671976512 Ultra-bright deep-blue LEDs shine with eco-friendly copper-iodide hybrid material A Rutgers-led team of scientists has developed an eco-friendly, very stable, ultra-bright material and used it to generate deep-blue light (emission at ~450 nm) in a light-emitting diode (LED), an energy-efficient device at the heart of all major lighting systems. /news/2025-07-ultra-bright-deep-blue-eco.html Materials Science Wed, 16 Jul 2025 11:00:35 EDT news671865478 Next-gen rod LEDs could transform smartphones and TVs with ultra-bright and color-rich displays Researchers at the Hong Kong University of Science and Technology (HKUST) School of Engineering have cracked a major challenge in display technology by inventing the world's brightest and most energy efficient quantum rod LEDs (QRLEDs). These next-generation QRLEDs feature optimized deep green emission at the top of the color triangle, enabling displays with unprecedented color purity and a maximized color gamut. /news/2025-07-gen-rod-smartphones-tvs-ultra.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Tue, 15 Jul 2025 08:25:56 EDT news671786743 Keeping the photon in the dark: A new method for full control of quantum dots Excitons—bound pairs of electrons and an electron hole—are quasiparticles that can arise in solids. While so-called "bright" excitons emit light and are therefore accessible, dark excitons are optically inactive. As a result, they have a significantly longer lifetime—which makes them ideal for storing and controlling quantum states and using them for advanced methods to generate entanglement. /news/2025-07-photon-dark-method-full-quantum.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Wed, 09 Jul 2025 14:00:01 EDT news671261441 Researchers discover more efficient way to route information in quantum computers Quantum computers have the potential to revolutionize computing by solving complex problems that stump even today's fastest machines. Scientists are exploring whether quantum computers could one day help streamline global supply chains, create ultra-secure encryption to protect sensitive data against even the most powerful cyberattacks, or even develop more effective drugs by simulating their behavior at the atomic level. /news/2025-07-efficient-route-quantum.html Quantum Âé¶¹ÒùÔºics Wed, 09 Jul 2025 10:40:04 EDT news671276401 A new quantum dot photoreductant uses 99% less light energy for organic reactions Chemists at the School of Science of the Hong Kong University of Science and Technology (HKUST) have recently made significant progress in photocatalysis by unveiling a "super" photoreductant, marking a major advancement in organic synthesis. /news/2025-07-quantum-dot-photoreductant-energy-reactions.html Nanophysics Nanomaterials Thu, 03 Jul 2025 15:29:40 EDT news670775375