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. Quantum spirals: Programmable platform offers new ways to explore electrons in chiral systems A new platform for engineering chiral electron pathways offers potential fresh insights into a quantum phenomenon discovered by chemists—and exemplifies how the second quantum revolution is fostering transdisciplinary collaborations that bridge physics, chemistry, and biology to tackle fundamental questions. /news/2025-06-quantum-spirals-programmable-platform-ways.html Condensed Matter Quantum Âé¶¹ÒùÔºics Fri, 13 Jun 2025 14:00:03 EDT news668940541 'Intercrystals' pave the way for greener electronics and quantum technologies Rutgers University–New Brunswick researchers have discovered a new class of materials—called intercrystals—with unique electronic properties that could power future technologies. /news/2025-05-intercrystals-pave-greener-electronics-quantum.html Nanophysics Nanomaterials Wed, 21 May 2025 17:17:04 EDT news667066621 Novel strategy keeps quantum networks stable by replenishing entanglement Researchers at Rensselaer Polytechnic Institute (RPI) are tackling one of the most complex challenges in the world of quantum information—how to create reliable, scalable networks that can connect quantum systems over distances. /news/2025-05-strategy-quantum-networks-stable-replenishing.html Quantum Âé¶¹ÒùÔºics Fri, 02 May 2025 11:32:03 EDT news665404321 Mathematical model modulates the anomalous Hall angle in a magnetic topological semimetal When an electric current passes through some materials, it generates a voltage perpendicular to the direction in which the current is flowing and of an applied magnetic field. This physical phenomenon, known as the anomalous Hall effect, has been linked to the intrinsic properties of some materials. /news/2025-04-mathematical-modulates-anomalous-hall-angle.html Condensed Matter Mon, 21 Apr 2025 11:09:21 EDT news664452556 Scientists unlock new dimension in light manipulation, ushering in a new era in photonic technology Researchers at Heriot-Watt University have made a discovery that could pave the way for a transformative era in photonic technology. For decades, scientists have theorized the possibility of manipulating the optical properties of light by adding a new dimension—time. This once-elusive concept has now become a reality thanks to nanophotonics experts from the School of Engineering and Âé¶¹ÒùÔºical Sciences in Edinburgh, Scotland. /news/2025-03-scientists-dimension-ushering-era-photonic.html Optics & Photonics Mon, 17 Mar 2025 18:00:01 EDT news661434749 Scientists discover all-optical nuclear magnetic resonance analog with quantum fluids of light Researchers from Skoltech, the University of Warsaw, and the University of Iceland have demonstrated that by optical means it is possible to excite and stir an exciton-polariton condensate, which emits a linearly polarized light with a polarization axis following the stirring direction. /news/2024-11-scientists-optical-nuclear-magnetic-resonance.html Condensed Matter Optics & Photonics Tue, 05 Nov 2024 07:02:05 EST news650012521 Hybrid quantum error correction technique integrates continuous and discrete variables A major challenge in realizing quantum computers is the development of quantum error correction technology. This technology offers a solution for addressing errors that occur in the qubit, the basic unit of quantum computation, and prevents them from being amplified during the computation. /news/2024-10-hybrid-quantum-error-technique-discrete.html Quantum Âé¶¹ÒùÔºics Wed, 16 Oct 2024 16:04:33 EDT news648313465 Detecting Planck-scale dark matter by leveraging quantum interference While various studies have hinted at the existence of dark matter, its nature, composition and underlying physics remain poorly understood. /news/2024-10-planck-scale-dark-leveraging-quantum.html General Âé¶¹ÒùÔºics Quantum Âé¶¹ÒùÔºics Tue, 08 Oct 2024 06:46:25 EDT news647588774 Quantized redshift and challenges to Big Bang hypothesis A Doppler shift is defined as a change of frequency of light or sound when an object is moving toward or away from an observer. Edwin Hubble observed in 1929 that galaxies appear on average to be moving away from us (see figure above), which could indicate that the universe is expanding, an effect that became known as the Hubble Law. /news/2024-09-quantized-redshift-big-hypothesis.html Astronomy Mon, 23 Sep 2024 12:40:01 EDT news646303513 Nuclear theorists turn to supercomputers to map out matter's building blocks in 3D Deep inside what we perceive as solid matter, the landscape is anything but stationary. The interior of the building blocks of the atom's nucleus—particles called hadrons that a high school student would recognize as protons and neutrons—are made up of a seething mixture of interacting quarks and gluons, known collectively as partons. /news/2024-09-nuclear-theorists-supercomputers-blocks-3d.html General Âé¶¹ÒùÔºics Tue, 17 Sep 2024 16:43:51 EDT news645810225 Bridging quantum mechanics and cosmology: The role of the generalized uncertainty principle In a continuous pursuit to understand the fundamental laws that govern the universe, researchers have ventured deep into the realms of string theory, loop quantum gravity, and quantum geometry. These advanced theoretical frameworks have revealed an especially compelling concept: the generalized uncertainty principle (GUP). /news/2024-09-bridging-quantum-mechanics-cosmology-role.html General Âé¶¹ÒùÔºics Quantum Âé¶¹ÒùÔºics Wed, 04 Sep 2024 09:57:05 EDT news644662620 A new approach to realize quantum mechanical squeezing Mechanical systems are highly suitable for realizing applications such as quantum information processing, quantum sensing and bosonic quantum simulation. The effective use of these systems for these applications, however, relies on the ability to manipulate them in unique ways, specifically by 'squeezing' their states and introducing nonlinear effects in the quantum regime. /news/2024-07-approach-quantum-mechanical.html Quantum Âé¶¹ÒùÔºics Mon, 08 Jul 2024 09:48:45 EDT news639650920 Quantum computing trade-off problem addressed by new system The potential of quantum computers is currently thwarted by a trade-off problem. Quantum systems that can carry out complex operations are less tolerant to errors and noise, while systems that are more protected against noise are harder and slower to compute with. /news/2024-06-quantum-problem.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Tue, 18 Jun 2024 09:01:04 EDT news637920061 New technique uses enzymes to create versatile nanoparticles The selective bond-breaking powers of enzymes bring new versatility for building nanoparticles with a wide range of technical and medical potential. /news/2024-06-technique-enzymes-versatile-nanoparticles.html Nanomaterials Tue, 11 Jun 2024 09:16:04 EDT news637316161 New model suggests partner anti-universe could explain accelerated expansion without the need for dark energy The accelerated expansion of the present universe, believed to be driven by a mysterious dark energy, is one of the greatest puzzles in our understanding of the cosmos. The standard model of cosmology called Lambda-CDM, explains this expansion as a cosmological constant in Einstein's field equations. However, the cosmological constant itself lacks a complete theoretical understanding, particularly regarding its very small positive value. /news/2024-06-partner-anti-universe-expansion-dark.html General Âé¶¹ÒùÔºics Quantum Âé¶¹ÒùÔºics Tue, 04 Jun 2024 09:20:01 EDT news636711595 Engineers link oxygen to graphene quality and develop new techniques to reproducibly make the material at scale Graphene has been called "the wonder material of the 21st century." Since its discovery in 2004, the material—a single layer of carbon atoms—has been touted for its host of unique properties, which include ultra-high electrical conductivity and remarkable tensile strength. It has the potential to transform electronics, energy storage, sensors, biomedical devices, and more. But graphene has had a dirty little secret: it's dirty. /news/2024-05-link-oxygen-graphene-quality-techniques.html Nanomaterials Wed, 29 May 2024 11:00:02 EDT news636197088 Generating graph states of atomic ensembles via photon-mediated entanglement Graph states, a class of entangled quantum states that can be represented by graphs, have been the topic of numerous recent physics studies, due to their intriguing properties. These unique properties could make them particularly promising for quantum computing applications, as well as a wider range of quantum technologies. /news/2024-04-generating-graph-states-atomic-ensembles.html Quantum Âé¶¹ÒùÔºics Wed, 01 May 2024 10:30:01 EDT news633691018 Âé¶¹ÒùÔºicists track how continuous changes in dimensionality affect collective properties of a superfluid An international research team from Innsbruck and Geneva has, for the first time, probed the dimensional crossover for ultracold quantum matter. In the regime between one and two dimensions, the quantum particles perceive their world as being 1D or 2D depending on the length scale on which they are probed: For short distances, their world is 1D, but it is 2D for long distances. /news/2024-04-physicists-track-dimensionality-affect-properties.html Soft Matter Quantum Âé¶¹ÒùÔºics Wed, 10 Apr 2024 10:59:21 EDT news631965559 Scientists harness chemical dynamics for complex problem solving At the intersection of chemistry and computation, researchers from the University of Glasgow have developed a hybrid digital-chemical probabilistic computational system based on the Belousov-Zhabotinsky (BZ) reaction which can be used for solving combinatorial optimization problems. /news/2024-04-scientists-harness-chemical-dynamics-complex.html Analytical Chemistry Fri, 05 Apr 2024 08:10:01 EDT news631441813 100 kilometers of quantum-encrypted transfer Researchers at DTU have successfully distributed a quantum-secure key using a method called continuous variable quantum key distribution (CV QKD). The researchers have managed to make the method work over a record 100 km distance—the longest distance ever achieved using the CV QKD method. The advantage of the method is that it can be applied to the existing Internet infrastructure. /news/2024-04-kilometers-quantum-encrypted.html Quantum Âé¶¹ÒùÔºics Tue, 02 Apr 2024 11:25:13 EDT news631275909 Researchers achieve quantum key distribution for cybersecurity in novel experiment Researchers at the Department of Energy's Oak Ridge National Laboratory have demonstrated that advanced quantum-based cybersecurity can be realized in a deployed fiber link. /news/2024-03-quantum-key-cybersecurity.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Wed, 13 Mar 2024 16:41:53 EDT news629566911 Measuring the properties of light: Scientists realize new method for determining quantum states Scientists at Paderborn University have used a new method to determine the characteristics of optical quantum states. For the first time, they are using certain photon detectors—devices that can detect individual light particles—for so-called homodyne detection. /news/2024-02-properties-scientists-method-quantum-states.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Mon, 26 Feb 2024 11:04:14 EST news628167852 Researchers observe the wave-particle duality of two photons Understanding the nature of quantum objects' behaviors is the premise for a reasonable description of the quantum world. Depending on whether the interference can be produced or not, the quantum object is endowed with dual features of a wave and a particle, i.e., the so-called wave-particle duality (WPD), which are generally observed in the so-called mutually exclusive experimental arrangements in the sense of Bohr's complementarity principle. /news/2024-01-particle-duality-photons.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Wed, 17 Jan 2024 12:17:53 EST news624716268 Extending the uncertainty principle by using an unbounded operator A study published in the journal Âé¶¹ÒùÔºical Review Letters by researchers in Japan solves a long-standing problem in quantum physics by redefining the uncertainty principle. /news/2023-12-uncertainty-principle-unbounded.html General Âé¶¹ÒùÔºics Quantum Âé¶¹ÒùÔºics Thu, 14 Dec 2023 10:41:59 EST news621772911 A method to resolve quantum interference between photoionization pathways with attosecond resolution The field of attosecond physics was established with the mission of exploring light–matter interactions at unprecedented time resolutions. Recent advancements in this field have allowed physicists to shed new light on the quantum dynamics of charge carriers in atoms and molecules /news/2023-12-method-quantum-photoionization-pathways-attosecond.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Mon, 04 Dec 2023 10:10:01 EST news620906052 Autonomous lab discovers best-in-class quantum dot in hours. It would have taken humans years It can take years of focused laboratory work to determine how to make the highest quality materials for use in electronic and photonic devices. Researchers have now developed an autonomous system that can identify how to synthesize "best-in-class" materials for specific applications in hours or days. /news/2023-11-autonomous-lab-best-in-class-quantum-dot.html Nanophysics Nanomaterials Mon, 13 Nov 2023 11:46:51 EST news619098407 Optimizing continuous-variable functions with quantum annealing Quantum annealing (QA) is a cutting-edge algorithm that leverages the unique properties of quantum computing to tackle complex combinatorial optimization problems (a class of mathematical problems dealing with discrete-variable functions). /news/2023-10-optimizing-continuous-variable-functions-quantum-annealing.html Quantum Âé¶¹ÒùÔºics Tue, 03 Oct 2023 10:44:05 EDT news615548641 Experimental quantum imaging distillation with undetected light It is possible to image an object with an induced coherence effect by making use of photon pairs to gain information on the item of interest—without detecting the light probing it. While one photon illuminates the object, its partner alone is detected, thereby preventing the measurements of coincidence events to reveal information of the sought after object. This method can be made resilient to noise, as well. /news/2023-09-experimental-quantum-imaging-distillation-undetected.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Fri, 08 Sep 2023 11:30:01 EDT news613385120 Calculations reveal high-resolution view of quarks inside protons A collaboration of nuclear theorists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, Argonne National Laboratory, Temple University, Adam Mickiewicz University of Poland, and the University of Bonn, Germany, has used supercomputers to predict the spatial distributions of charges, momentum, and other properties of "up" and "down" quarks within protons. The results, just published in Âé¶¹ÒùÔºical Review D, revealed key differences in the characteristics of the up and down quarks. /news/2023-08-reveal-high-resolution-view-quarks-protons.html Quantum Âé¶¹ÒùÔºics Wed, 02 Aug 2023 13:18:35 EDT news610201107 Selectivity effect of molecular chirality may have universal applications, researchers find Enantioselection with neither chiral catalysis nor chiral ingredients (absolute enantioselection) has been one of the most active topics in biology, but its experimental realizations have been challenging. A team led by researchers at the Institute for Molecular Science (IMS) have demonstrated the enantioselectivity of helical supramolecules consisting only of achiral molecules solely by exploiting chiral-induced spin selectivity (CISS) effect. /news/2023-07-effect-molecular-chirality-universal-applications.html Analytical Chemistry Materials Science Fri, 28 Jul 2023 10:35:04 EDT news609759301