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. 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 Solving an 80-year-old mystery: Crystal structure of a bromide hydrate found with synchrotron radiation Researchers have solved a mystery that has confounded scientists for 80 years: the crystal structure of the tetra-n-butylammonium bromide (TBAB) hydrate TBAB·26H2O. This substance belongs to a class of crystalline materials called semiclathrate hydrates, which form from the combination of ions and water. /news/2025-07-year-mystery-crystal-bromide-hydrate.html Analytical Chemistry Fri, 18 Jul 2025 10:10:07 EDT news672051198 'Standard candle' particle measurement enables hunt for hybrid mesons A rather unassuming particle is playing an important role in the hunt for subatomic oddities. Similar to protons and neutrons, mesons are composed of quarks bound together by the strong nuclear force. But these short-lived particles have different characteristics that can reveal new information about the atomic nucleus and how the universe works. /news/2025-07-standard-candle-particle-enables-hybrid.html General Âé¶¹ÒùÔºics Fri, 18 Jul 2025 08:50:58 EDT news672047444 Asymmetric metasurface allows precise control of photon entanglement A new material platform has enabled scientists to create photon pairs whose entanglement can be tuned from a layer thinner than a human hair. /news/2025-07-asymmetric-metasurface-precise-photon-entanglement.html Quantum Âé¶¹ÒùÔºics Fri, 18 Jul 2025 08:46:38 EDT news672047194 OLEDs light the way to faster longer-distance wireless communication In the race to develop faster and more flexible wireless communication technologies, researchers are turning to an unexpected source: the same organic light-emitting diodes (OLEDs) found in smartphone screens and TVs. /news/2025-07-oleds-faster-longer-distance-wireless.html Optics & Photonics Fri, 18 Jul 2025 07:50:02 EDT news672043263 First physics results from the sPHENIX particle detector The sPHENIX particle detector, the newest experiment at the Relativistic Heavy Ion Collider (RHIC) at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, has released its first physics results: precision measurements of the number and energy density of thousands of particles streaming from collisions of near-light-speed gold ions. /news/2025-07-physics-results-sphenix-particle-detector.html General Âé¶¹ÒùÔºics Fri, 18 Jul 2025 07:38:15 EDT news672043087 Programmable DNA moiré superlattices: Expanding the material design space at the nanoscale Researchers are creating new moiré materials at the nanometer scale using advanced DNA nanotechnology. DNA moiré superlattices form when two periodic DNA lattices are overlaid with a slight rotational twist or positional offset. This creates a new, larger interference pattern with completely different physical properties. /news/2025-07-programmable-dna-moir-superlattices-material.html Nanophysics Nanomaterials Thu, 17 Jul 2025 11:52:25 EDT news671971940 2014 Nobel Prize idea used to reach super-resolution imaging, turning noise into data A new method turns noise into valuable data to enhance understanding of chemical reactions and material properties with unprecedented detail at the atomic level. The results of this research are now published in Nature. /news/2025-07-nobel-prize-idea-super-resolution.html General Âé¶¹ÒùÔºics Wed, 16 Jul 2025 13:30:12 EDT news671890832 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 2D materials design: Material strength and toughness simultaneously achieved through layer twisting The mechanical strength and toughness of engineering materials are often mutually exclusive, posing challenges for material design and selection. To address this, a research team from The Hong Kong Polytechnic University (PolyU) has uncovered an innovative strategy: by simply twisting the layers of 2D materials, they can enhance toughness without compromising material's strength. /news/2025-07-2d-materials-material-strength-toughness.html Nanomaterials Tue, 15 Jul 2025 13:00:01 EDT news671801132 New four-element semiconductor alloy promises advances in chip technology Researchers at the Jülich Research Center and the Leibniz Institute for Innovative Microelectronics (IHP) have developed a material that has never existed before: a stable alloy of carbon, silicon, germanium, and tin. The new compound, abbreviated as CSiGeSn, opens up exciting possibilities for applications at the interface of electronics, photonics, and quantum technology. /news/2025-07-element-semiconductor-alloy-advances-chip.html Materials Science Tue, 15 Jul 2025 12:03:12 EDT news671799788 New technique using Raman scattering can dramatically improve laser linewidth for better quantum computing Macquarie University researchers have demonstrated a technique to dramatically narrow the linewidth of a laser beam by a factor of over ten thousand—a discovery that could revolutionize quantum computing, atomic clocks and gravitational wave detection. /news/2025-07-technique-raman-laser-linewidth-quantum.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Mon, 14 Jul 2025 16:15:06 EDT news671728357 Researchers demonstrate room-temperature lasing in photonic-crystal surface-emitting laser In a first for the field, researchers from The Grainger College of Engineering at the University of Illinois Urbana-Champaign have reported a photopumped lasing from a buried dielectric photonic-crystal surface-emitting laser emitting at room temperature and an eye-safe wavelength. Their findings, published in IEEE Photonics Journal, improve upon current laser design and open new avenues for defense applications. /news/2025-07-room-temperature-lasing-photonic-crystal.html Optics & Photonics Sat, 12 Jul 2025 06:21:58 EDT news671520111 Higgs-boson properties clarified through decay pattern analysis The ATLAS collaboration finds evidence of Higgs-boson decays to muons and improves sensitivity to Higgs-boson decays to a Z boson and a photon. /news/2025-07-higgs-boson-properties-decay-pattern.html General Âé¶¹ÒùÔºics Fri, 11 Jul 2025 10:30:39 EDT news671448634 Data transfer speeds increase significantly through new optical chip design Artificial intelligence systems like ChatGPT are notorious for being power-hungry. To tackle this challenge, a team from the Center for Optics, Photonics and Lasers (COPL) has come up with an optical chip that can transfer massive amounts of data at ultra-high speed. As thin as a strand of hair, this technology offers unrivaled energy efficiency. /news/2025-07-significantly-optical-chip.html Optics & Photonics Fri, 11 Jul 2025 09:30:03 EDT news671444755 Plastic-based spectrometers offer low-cost, compact solution for broadband spectral imaging A multinational research team, including engineers from the University of Cambridge and Zhejiang University, has developed a breakthrough in miniaturized spectrometer technology that could dramatically expand the accessibility and functionality of spectral imaging in everyday devices. /news/2025-07-plastic-based-spectrometers-compact-solution.html Optics & Photonics Fri, 11 Jul 2025 09:15:51 EDT news671444135 Quantum objects' dual nature mapped with new formula for 'wave-ness' and 'particle-ness' Since its development 100 years ago, quantum mechanics has revolutionized our understanding of nature, revealing a bizarre world in which an object can act like both waves and particles, and behave differently depending on whether it is being watched. /news/2025-07-quantum-dual-nature-formula-ness.html General Âé¶¹ÒùÔºics Quantum Âé¶¹ÒùÔºics Fri, 11 Jul 2025 06:20:05 EDT news671433149 Adding up Feynman diagrams to make predictions about real materials Caltech scientists have found a fast and efficient way to add up large numbers of Feynman diagrams, the simple drawings physicists use to represent particle interactions. The new method has already enabled the researchers to solve a longstanding problem in the materials science and physics worlds known as the polaron problem, giving scientists and engineers a way to predict how electrons will flow in certain materials, both conventional and quantum. /news/2025-07-adding-feynman-diagrams-real-materials.html General Âé¶¹ÒùÔºics Quantum Âé¶¹ÒùÔºics Thu, 10 Jul 2025 13:32:55 EDT news671373170 Speed test of 'tunneling' electrons challenges alternative interpretation of quantum mechanics Quantum mechanics describes the unconventional properties of subatomic particles, like their ability to exist in a superposition of multiple states, as popularized by the Schrödinger's cat analogy, and ability to slip through barriers, a phenomenon known as quantum tunneling. /news/2025-07-tunneling-electrons-alternative-quantum-mechanics.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Thu, 10 Jul 2025 11:10:04 EDT news671364400 Quantum battery model achieves theoretical speed limit, demonstrates genuine advantage Over the past few years, researchers have developed various quantum technologies, alternatives to classical devices that operate by leveraging the principles of quantum mechanics. These technologies have the potential to outperform their classical counterparts in specific settings or scenarios. /news/2025-07-quantum-battery-theoretical-limit-genuine.html Quantum Âé¶¹ÒùÔºics Thu, 10 Jul 2025 06:50:01 EDT news671278269 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 Twist to the M-ax(is): New twist platform opens path to quantum simulation of more exotic states of matter Twisted materials—known as moiré structures—have revolutionized modern physics, emerging as today's "alchemy" by creating entirely new phases of matter through simple geometric manipulation. The term "moiré" may sound familiar—it describes the strange rippling patterns you sometimes see when photographing striped shirts or screens; in physics, the same underlying principle applies at the atomic scale. Imagine taking two atomically thin sheets of either the same or different materials, stacking them up together, and rotating one layer slightly relative to the other. /news/2025-07-axis-platform-path-quantum-simulation.html Nanophysics Nanomaterials Wed, 09 Jul 2025 12:49:15 EDT news671284150 Defects in single-crystal indium gallium zinc oxide could fix persistent display instability Many displays found in smartphones and televisions rely on thin-film transistors (TFTs) made from indium gallium zinc oxide (IGZO) to control pixels. IGZO offers high transparency due to its large bandgap (the gap existing between the valence and conduction bands), high conductivity, and can operate even in an amorphous (non-crystalline) form, making it ideal for displays, flexible electronics, and solar cells. /news/2025-07-defects-crystal-indium-gallium-zinc.html Optics & Photonics Wed, 09 Jul 2025 12:17:04 EDT news671282221 Calculating the electron's magnetic moment: State-dependent values emerge from Dirac equation Quantum mechanics has a reputation that precedes it. Virtually everyone who has bumped up against the quantum realm, whether in a physics class, in the lab, or in popular science writing, is left thinking something like, "Now, that is really weird." For some, this translates to weird and wonderful. For others it is more like weird and disturbing. /news/2025-07-electron-magnetic-moment-state-values.html Quantum Âé¶¹ÒùÔºics Wed, 09 Jul 2025 09:20:39 EDT news671271633 Stoichiometric crystal shows promise in quantum memory For over two decades, physicists have been working toward implementing quantum light storage—also known as quantum memory—in various matter systems. These techniques allow for the controlled and reversible mapping of light particles called photons onto long-lived states of matter. But storing light for long periods without compromising its retrieval efficiency is a difficult task. /news/2025-07-stoichiometric-crystal-quantum-memory.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Wed, 09 Jul 2025 06:36:03 EDT news671261761 Scientists provide clear observation of spin and density modes in a two-component fluid of light Recent physics studies have found that light can sometimes flow in unexpected ways, behaving like a so-called "superfluid." Superfluids, such as ultracold atomic gases or helium-4 below specific temperatures, are phases of matter characterized by flowing behavior with zero viscosity (i.e., with no resistance). /news/2025-07-scientists-density-modes-component-fluid.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Wed, 09 Jul 2025 06:30:01 EDT news671186961 Microrobots shaped and steered by metal patches could aid drug delivery and pollution cleanup Researchers at the University of Colorado Boulder have created a new way to build and control tiny particles that can move and work like microscopic robots, offering a powerful tool with applications in biomedical and environmental research. /news/2025-07-microrobots-metal-patches-aid-drug.html Nanomaterials Tue, 08 Jul 2025 15:40:04 EDT news671207794 Quantum clocks deliver navigation accuracy far beyond current GPS systems in naval tests Optical quantum clocks developed at the University of Adelaide have been proven to outperform GPS navigation systems by many orders of magnitude. The clocks, which were put through their paces in naval exercises, were designed to be robust enough to withstand being rocked by waves while they are on ships. /news/2025-07-quantum-clocks-accuracy-current-gps.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Tue, 08 Jul 2025 15:09:03 EDT news671206141 How plants manage light: New insights into nature's oxygen-making machinery A set of breakthroughs from scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) is offering a new understanding of how energy flows through one of nature's most important molecular machines: the photosystem II supercomplex (PSII). /news/2025-07-insights-nature-oxygen-machinery.html Plants & Animals Molecular & Computational biology Tue, 08 Jul 2025 13:25:05 EDT news671199901 Astronomers investigate pulsar PSR J1930+1852 and its pulsar wind nebula Using NuSTAR and XMM-Newton satellites, astronomers from New York University (NYU) Abu Dhabi have observed a pulsar known as PSR J1930+1852 and its pulsar wind nebula (PWN). Results of the observational campaign, published in The Astrophysical Journal, yield more insights into the PWN and the pulsar that powers it. /news/2025-07-astronomers-pulsar-psr-j19301852-nebula.html Astronomy Tue, 08 Jul 2025 08:00:01 EDT news671124750