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. Âé¶¹ÒùÔºics-informed AI learns local rules behind flocking and collective motion behaviors Researchers at Seoul National University and Kyung Hee University report a framework to control collective motions, such as ring, clumps, mill, flock, by training a physics-informed AI to learn the local rules that govern interactions among individuals. /news/2025-09-physics-ai-local-flocking-motion.html General Âé¶¹ÒùÔºics Fri, 26 Sep 2025 12:46:03 EDT news678109561 Researchers are first to image directional atomic vibrations Researchers at the University of California, Irvine, together with international collaborators, have developed a new electron microscopy method that has enabled the first-ever imaging of vibrations, or phonons, in specific directions at the atomic scale. /news/2025-09-image-atomic-vibrations.html Condensed Matter Fri, 19 Sep 2025 12:11:57 EDT news677502711 Gold quantum needles could sharpen imaging resolution and boost energy conversion Researchers Shinjiro Takano, Yuya Hamasaki, and Tatsuya Tsukuda of the University of Tokyo have successfully visualized the geometric structure of growing gold nanoclusters in their earliest stages. During this process, they also successfully grew a novel structure of elongated nanoclusters, which they named gold quantum needles. /news/2025-09-gold-quantum-needles-sharpen-imaging.html Nanomaterials Fri, 05 Sep 2025 00:00:02 EDT news676196521 Symmetry-based Floquet optical selection rules help explain light-induced sidebands Researchers at the Max Planck Institute for the Structure and Dynamics of Matter (MPSD), in collaboration with international partners, have developed momentum-resolved Floquet optical selection rules. They show how these symmetry-based rules determine the spectral weight distributions of photon-dressed sidebands in time- and angle-resolved photoemission spectroscopy (TrARPES) experiments across different pump-probe configurations. This fundamental work has now been published in Science Advances. /news/2025-08-symmetry-based-floquet-optical-sidebands.html Condensed Matter Optics & Photonics Thu, 21 Aug 2025 16:12:03 EDT news675011521 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 Mirror-like graphite films break records in strength and conductivity Graphite has attracted global interest due to its unique anisotropic properties, including excellent electrical and thermal conductivity. Widely used as a battery anode material and in applications such as electromagnetic shielding, catalysis, and nuclear technology, graphite remains a critical material in both industrial and research fields. /news/2025-08-mirror-graphite-strength.html Nanomaterials Tue, 12 Aug 2025 09:41:02 EDT news674210457 The universe's first stars unveiled in turbulent simulations Understanding the early universe is a foundational goal in space science. We're driven to understand nature and how it evolved from a super-heated plasma after the Big Bang to the structured cosmos we see around us today. One critical moment in time was when the first stars, called Population 3 stars, ignited with fusion and lit up their surroundings. /news/2025-08-universe-stars-unveiled-turbulent-simulations.html Astronomy Fri, 08 Aug 2025 10:17:05 EDT news673867022 DNA nanostructures can mimic molecular organization of living systems without chemical cross-linking Newly developed DNA nanostructures can form flexible, fluid, and stimuli-responsive condensates without relying on chemical cross-linking, report researchers from the Institute of Science Tokyo and Chuo University, in the journal JACS Au. /news/2025-08-dna-nanostructures-mimic-molecular-chemical.html Bio & Medicine Nanomaterials Wed, 06 Aug 2025 09:10:06 EDT news673690201 Heavy fermions entangled: Discovery of Planckian time limit opens doors to novel quantum technologies A joint research team from Japan has observed "heavy fermions," electrons with dramatically enhanced mass, exhibiting quantum entanglement governed by the Planckian time—the fundamental unit of time in quantum mechanics. This discovery opens up exciting possibilities for harnessing this phenomenon in solid-state materials to develop a new type of quantum computer. The findings are published in npj Quantum Materials. /news/2025-08-heavy-fermions-entangled-discovery-planckian.html Condensed Matter Quantum Âé¶¹ÒùÔºics Tue, 05 Aug 2025 10:25:03 EDT news673608301 Ultrathin metallic films show tunable, directional charge flow using light at room temperature In a major step toward next-generation electronics, researchers at the University of Minnesota Twin Cities have discovered a way to manipulate the direction of charge flow in ultrathin metallic films at room temperature using light. This discovery opens the door to more energy-efficient optical sensors, detectors, and quantum information devices. /news/2025-08-ultrathin-metallic-tunable-room-temperature.html Nanophysics Nanomaterials Mon, 04 Aug 2025 12:40:02 EDT news673529870 High-quality crystals enable new insights into structure–property relationships and multifunctionality Researchers at Kumamoto University and Nagoya University have developed a new class of two-dimensional (2D) metal-organic frameworks (MOFs) using triptycene-based molecules, marking a breakthrough in the quest to understand and enhance the physical properties of these promising materials. The work is published in the Journal of the American Chemical Society. /news/2025-08-high-quality-crystals-enable-insights.html Analytical Chemistry Materials Science Fri, 01 Aug 2025 09:41:04 EDT news673260062 New machine learning tool reveals atomic structure of ultra-thin film materials Imagine having a super-powered lens that uncovers hidden secrets of ultra-thin materials used in our gadgets. Research led by University of Florida engineering professor Megan Butala enables a novel way to look at the atomic structure of thin films on single-crystal substrates. /news/2025-07-machine-tool-reveals-atomic-ultra.html Analytical Chemistry Materials Science Mon, 28 Jul 2025 10:40:04 EDT news672916410 Apparently Vera Rubin captured images of 3I/ATLAS before it was even discovered Sometimes serendipity happens in science. Whether it's an apple falling from a tree or a melting chocolate bar, some of the world's greatest discoveries come from happy accidents, even if their stories may be apocryphal. According to a new paper on the arXiv preprint server, there's a new story to add to the archives of serendipitous scientific discoveries—Rubin happened to make observations of interstellar object 3I/ATLAS before its official discovery, while the telescope was still in its Science Validation survey, marking the earliest, high-resolution images we will likely get of the comet at that time. /news/2025-07-apparently-vera-rubin-captured-images.html Astronomy Planetary Sciences Tue, 22 Jul 2025 13:10:06 EDT news672408337 From cosmic strings to computer chips: Cooling rate triggers phase transitions in silicon surfaces Solar cells and computer chips need silicon layers that are as perfect as possible. Every imperfection in the crystalline structure increases the risk of reduced efficiency or defective switching processes. /news/2025-07-cosmic-chips-cooling-triggers-phase.html Condensed Matter Tue, 22 Jul 2025 07:30:05 EDT news672386224 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 Magnetic surface enables precise atomic migration at near absolute zero Adatoms are single atoms that get adsorbed onto the surface of a solid material and are known to hop randomly from one spot to another. In a recent study published in Nature Communications, a group of scientists from Germany demonstrated that single atoms can be steered in a chosen direction at near absolute zero temperatures (4 Kelvin), provided the surface being used is magnetic in nature—a discovery that can open up new possibilities for precise control of atomic motion, a sought-after ability in the field of nanotechnology, data storage and functional materials. /news/2025-06-magnetic-surface-enables-precise-atomic.html Nanophysics Nanomaterials Thu, 05 Jun 2025 09:40:03 EDT news668334908 New method enables flexible generation of high-order vector vortex beams A research team led by Associate Prof. Wang Anting from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) proposed a method for multidimensional manipulation of polarization and phase based on a single geometric phase element. They managed to generate and control high-order vector vortex beams (VVBs). /news/2025-05-method-enables-flexible-generation-high.html Optics & Photonics Thu, 29 May 2025 15:37:02 EDT news667751821 Intuitive geometric method simplifies inverse design of kirigami Kirigami is a traditional Japanese art form that entails cutting and folding paper to produce complex three-dimensional (3D) structures or objects. Over the past decades, this creative practice has also been applied in the context of physics, engineering, and materials science research to create new materials, devices and even robotic systems. /news/2025-05-intuitive-geometric-method-inverse-kirigami.html General Âé¶¹ÒùÔºics Sun, 25 May 2025 09:00:01 EDT news667223147 A recently realized ferroelectric topology in nanomembranes enables light field manipulation Ferroelectrics are a class of materials that exhibit so-called spontaneous electric polarization, which is the separation of electric charges that can be reversed when an external electric field is applied to them. The dipole moments (i.e., pairs of equal and opposite charges) in these materials can sometimes be arranged in complex configurations known as topological textures. /news/2025-05-ferroelectric-topology-nanomembranes-enables-field.html Nanophysics Fri, 09 May 2025 10:30:02 EDT news666004601 Torsion unipolar barrier heterojunction device simplifies optical imaging and sensing Polarization, along with intensity, wavelength, and phase, is a fundamental property of light. It enhances contrast and resolution in imaging compared to traditional intensity-based methods. On-chip polarization devices rely on complex four-pixel arrays or external polarizers. /news/2025-04-torsion-unipolar-barrier-heterojunction-device.html Optics & Photonics Wed, 30 Apr 2025 16:30:03 EDT news665249402 Multi-spacecraft radio observations trace the heliospheric magnetic field Solar flares accelerate energetic electrons that escape into interplanetary space, guided by the Parker spiral magnetic field, and are responsible for the generation of the interplanetary Type III solar radio bursts. With multiple spacecraft now in orbit around the sun, we are in a unique position of observing the propagation of radio emission through the heliosphere from multiple vantage points. /news/2025-04-multi-spacecraft-radio-heliospheric-magnetic.html Astronomy Fri, 25 Apr 2025 17:04:54 EDT news664819490 New physics theory to study low-energy excitations in quantum quasicrystals Quasicrystals, exotic states of matter characterized by an ordered structure with non-repeating spatial patterns, have been the focus of numerous recent physics studies due to their unique organization and resulting symmetries. Among the quasicrystals that have sparked significant interest among the physics community are so-called quantum quasicrystals, which are comprised of bosons (i.e., subatomic particles that have spin in integer values, such as 0, 1, 2, and so on, and can occupy the same quantum state simultaneously). /news/2025-04-physics-theory-energy-quantum-quasicrystals.html Condensed Matter Quantum Âé¶¹ÒùÔºics Fri, 25 Apr 2025 06:50:01 EDT news664708518 High-performance 3D-printed graphene composites developed for efficient ice control A research team led by Prof. Wang Zhenyang at the Hefei Institutes of Âé¶¹ÒùÔºical Science of the Chinese Academy of Sciences has developed a novel 3D-printed graphene/polymer double-layer composite featuring high anisotropic thermal conductivity. /news/2025-04-high-3d-graphene-composites-efficient.html Nanomaterials Wed, 23 Apr 2025 15:33:02 EDT news664641181 Secrets of superfluid: How dipolar interactions shape two-dimensional superfluid behavior In a recent study, researchers made a significant observation of the Berezinskii-Kosterlitz-Thouless (BKT) phase transition in a 2D dipolar gas of ultracold atoms. This work marks a milestone in understanding how 2D superfluids behave with long-range and anisotropic dipolar interactions. The researchers are an international team of physicists, led by Prof. Jo Gyu-Boong from the Department of Âé¶¹ÒùÔºics at the Hong Kong University of Science and Technology (HKUST). /news/2025-04-secrets-superfluid-dipolar-interactions-dimensional.html Soft Matter Quantum Âé¶¹ÒùÔºics Thu, 17 Apr 2025 12:31:03 EDT news664111861 Using gamma-ray bursts to probe large-scale structures Gamma-ray bursts (GRBs) are the most energetic events ever observed in the universe. These powerful outbursts can shine a quintillion (1018) times brighter than the sun. Since they were first detected in 1967 by the Vela 3 and 4 satellites, which were designed to detect nuclear detonations, astronomers have been searching for the origin of these events. At present, it is generally accepted that long-duration GRBs are caused by the collapse of massive stars, while short-duration bursts are caused by the merger of binary objects (neutron stars and/or black holes). /news/2025-04-gamma-ray-probe-large-scale.html Astronomy Thu, 17 Apr 2025 09:42:04 EDT news664101721 Satellite galaxies gone awry: Andromeda's asymmetrical companions challenge cosmology The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner. Analysis of cosmological simulations published in Nature Astronomy reveal that this degree of asymmetry is only found in 0.3% of similar systems, painting Andromeda as a striking outlier in the current cosmological paradigm. /news/2025-04-satellite-galaxies-awry-andromeda-asymmetrical.html Astronomy Fri, 11 Apr 2025 08:48:03 EDT news663580081 Chiral plasmonic nanostructures push the limits of light manipulation on the nanoscale Researchers from ICMAB are revolutionizing how we manipulate light at the nanoscale using chiral plasmonic structures—nanomaterials designed to interact with polarized light in extraordinary ways. /news/2025-04-chiral-plasmonic-nanostructures-limits-nanoscale.html Nanophysics Nanomaterials Thu, 10 Apr 2025 11:58:03 EDT news663505081 Âé¶¹ÒùÔºicists uncover a metallic altermagnet with d-wave spin splitting at room temperature For many years, physics studies focused on two main types of magnetism, namely ferromagnetism and antiferromagnetism. The first type entails the alignment of electron spins in the same direction, while the latter entails the alignment of electron spins in alternating, opposite directions. /news/2025-04-physicists-uncover-metallic-altermagnet-d.html Condensed Matter Quantum Âé¶¹ÒùÔºics Mon, 07 Apr 2025 10:59:01 EDT news663242337 Collective synchronized magnetic oscillations enable micropillar arrays to manipulate fluids and act as soft robots Researchers from Hanyang University have developed an innovative micropillar array capable of collective and rapid magnetic oscillations, demonstrating strong potential for advanced applications in robotics, fluid transport, and dynamic surface control. /news/2025-04-synchronized-magnetic-oscillations-enable-micropillar.html Nanomaterials Wed, 02 Apr 2025 12:07:04 EDT news662814421 Scientists achieve breakthrough in harnessing heat to control magnetism in 2D materials Pioneering new research could help unlock exciting new potential to create ultrafast, laser-driven storage devices. The study, led by experts from the University of Exeter, could revolutionize the field of data storage through the development of laser-driven magnetic domain memories. /news/2025-03-scientists-breakthrough-harnessing-magnetism-2d.html Nanophysics Thu, 27 Mar 2025 12:20:02 EDT news662296600