/ en-us Â鶹ÒùÔº internet news portal provides the latest news on science including: Â鶹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. A team of Chinese researchers has developed two new genome editing technologies, known collectively as Programmable Chromosome Engineering (PCE) systems. /news/2025-08-megabase-scale-precision-genome-eukaryotic.html Cell & Microbiology Biotechnology Mon, 04 Aug 2025 12:40:03 EDT news673529861 The generation of electricity from heat, also known as thermoelectric energy conversion, has proved to be advantageous for various real-world applications. For instance, it proved useful for the generation of energy during space expeditions and military missions in difficult environments, as well as for the recovery of waste heat produced from industrial plants, power stations or even vehicles. /news/2025-07-giant-nonlinear-nernst-effect-trilayer.html Nanophysics Nanomaterials Fri, 18 Jul 2025 06:30:01 EDT news671959548 Superconductivity is an advantageous property observed in some materials, which entails the ability to conduct electricity without resistance below specific critical temperatures. One particularly fascinating phenomenon observed in some unconventional superconductors is so-called spin-triplet pairing. /news/2025-07-greatly-nonreciprocal-ktao-based-interface.html Condensed Matter Superconductivity Wed, 16 Jul 2025 06:30:02 EDT news671711101 When the Empire State Building was constructed, its 102 stories rose above midtown one piece at a time, with each individual element combining to become, for 40 years, the world's tallest building. Uptown at Columbia, Oleg Gang and his chemical engineering lab aren't building Art Deco architecture; their landmarks are incredibly small devices built from nanoscopic building blocks that arrange themselves. /news/2025-07-3d-material-dna.html Bio & Medicine Nanomaterials Wed, 09 Jul 2025 06:48:05 EDT news671262482 In a review just published in Nature Materials, researchers take aim at the oldest principle in electronics: Ohm's law. /news/2025-07-ohm-law-nonlinear-currents-emerge.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 02 Jul 2025 12:09:03 EDT news670676942 As we witness the detrimental effects of climate change, the need for a rapid shift to renewable energy is only becoming more urgent. One of the most efficient forms of renewable energy, solar power, is generated by solar cells, which are the building blocks of solar panels. These electronic devices use semiconductors to convert the energy of light into electricity, a process called the photovoltaic effect. /news/2025-06-artificial-heterostructure-tunable-photovoltaic-effect.html Condensed Matter Optics & Photonics Tue, 24 Jun 2025 16:00:02 EDT news669999536 Cornell researchers are demonstrating how artificial intelligence—particularly deep learning and generative modeling—can accelerate the design of new molecules and materials, and even function as an autonomous research assistant. /news/2025-05-smarter-faster-ai-explored-molecular.html Analytical Chemistry Materials Science Mon, 19 May 2025 13:14:03 EDT news666879241 Chirality—the property of an object that is distinct from its mirror image—has long captivated scientists across biology, chemistry, and physics. The phenomenon is sometimes called "handedness," because it refers to an object possessing a distinct left- or right-handed form. It is a universal quality that is found across various scales of nature, from molecules and amino acids to the famed double-helix of DNA and the spiraling patterns of snail shells. /news/2025-05-physicists-unusual-chiral-quantum-state.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 07 May 2025 16:46:04 EDT news665855161 Altermagnets, which exhibit momentum-dependent spin splitting without spin–orbit coupling (SOC) or net magnetization, have recently attracted significant international attention. /news/2025-04-era-magnetization-future-applications-spintronics.html Condensed Matter Sat, 03 May 2025 18:00:01 EDT news665139627 Catenanes are organic compounds with ring-like molecules that are mechanically interlocked. The mechanical locking system in such molecules is so robust that they can only be disentangled via covalent bond cleavage. A recent study has presented a new strategy for controlling the chirality—the property where a molecule has non-superimposable mirror images—of mechanically interlocked molecules (MIMs) like catenanes, without changing its overall shape via non-covalent means. /news/2025-04-compact-catenane-tunable-mechanical-chirality.html Analytical Chemistry Materials Science Tue, 29 Apr 2025 10:10:02 EDT news665139603 Traditionally, magnetic materials have been divided into two main categories: ferromagnets and antiferromagnets. Over the past few years, however, physicists have uncovered the existence of altermagnets, a new type of magnetic material that exhibits features of both antiferromagnets and ferromagnets. /news/2025-04-layered-room-temperature-altermagnet-advanced.html Condensed Matter Fri, 18 Apr 2025 07:50:01 EDT news664105640 A research team from the Institute of Statistical Mathematics and Panasonic Holdings Corporation has developed a machine learning algorithm, ShotgunCSP, that enables fast and accurate prediction of crystal structures from material compositions. The algorithm achieved world-leading performance in crystal structure prediction benchmarks. /news/2025-04-crystallography-ai-high-crystal.html Analytical Chemistry Materials Science Wed, 16 Apr 2025 15:37:59 EDT news664036673 Recent studies have revealed that electrons passing through chiral molecules exhibit significant spin polarization—a phenomenon known as chirality-induced spin selectivity. This effect stems from a nontrivial coupling between electron motion and spin within chiral structures, yet quantifying it remains challenging. /news/2025-04-chirality-giant-rectification-superconductor.html Condensed Matter Superconductivity Wed, 16 Apr 2025 12:15:04 EDT news664024502 Recently, a research team found a way to design a class of homochiral organometallic nanosheets that exhibit room-temperature multiferroic and topological nodes. Their study is published in Nano Letters. /news/2025-03-chiral-organometallic-nanosheets-room-temperature.html Nanophysics Nanomaterials Mon, 03 Mar 2025 13:08:04 EST news660229674 The Standard Model (SM), the main physics framework describing elementary particles and the forces driving them, outlines key patterns in physical interactions referred to as gauge symmetries. One of the symmetries it describes is the so-called U(1)Y hypercharge: a gauge symmetry that contributes to the electric charge of particles before electromagnetic and weak forces become distinct (i.e., before the electroweak phase transition). /news/2025-02-hypercharge-scenarios-baryon-asymmetry-universe.html General Â鶹ÒùÔºics Fri, 21 Feb 2025 09:50:02 EST news659198482 A research team has discovered that achiral hard banana-shaped particles can spontaneously form exotic structures like skyrmions and blue phase III phases. Skyrmions are tiny vortex-like structures found in various condensed-matter systems, such as helical ferromagnets and liquid crystals. Blue phase III is an amorphous phase of liquid crystals that possesses strong optical activity. Achiral particles are particles that can be superimposed on their mirror image. The team's findings have potential applications in photonics and memory devices. /news/2025-01-achiral-hard-banana-particles-skyrmions.html Condensed Matter Optics & Photonics Mon, 27 Jan 2025 11:48:03 EST news657200881 Observing the effects of special relativity doesn't necessarily require objects moving at a significant fraction of the speed of light. In fact, length contraction in special relativity explains how electromagnets work. A magnetic field is just an electric field seen from a different frame of reference. /news/2025-01-relativistic-orbit-coupling-unconventional-superconductivity.html Condensed Matter Superconductivity Thu, 16 Jan 2025 07:10:01 EST news656169836 Two-dimensional (2D) van der Waals are made of atomically thin layers, held together by weak van der Waals forces. These materials have been the focus of numerous studies, as their unique properties make them ideal for studying various exotic and rare physical phenomena. /news/2025-01-domain-wall-fluctuations-2d-materials.html Nanophysics Nanomaterials Thu, 09 Jan 2025 11:16:39 EST news655643794 Reliably measuring the polarization state of light is crucial for various technological applications, ranging from optical communication to biomedical imaging. Yet conventional polarimeters are made of bulky components, which makes them difficult to reduce in size and limits their widespread adoption. /news/2024-12-compact-chip-polarimeter-polarization-high.html Optics & Photonics Fri, 20 Dec 2024 07:20:01 EST news653760670 A team of researchers has identified a unique phenomenon, a "skin effect," in the nonlinear optical responses of antiferromagnetic materials. The research, published in Â鶹ÒùÔºical Review Letters, provides new insights into the properties of these materials and their potential applications in advanced technologies. /news/2024-12-nonlinear-skin-effect-unveiled-antiferromagnetic.html Condensed Matter Optics & Photonics Wed, 18 Dec 2024 15:49:03 EST news653759341 Addressing the challenge of controlling electronic states in materials, the scientific community has been exploring innovative methods. Recently, researchers from Peking University, led by Professor Nanlin Wang, in collaboration with Professor Qiaomei Liu and Associate Research Scientist Dong Wu, uncovered how ultrafast lasers can manipulate non-volatile, reversible control over the electronic polar states in the charge-density-wave material EuTe4 at room temperature. /news/2024-11-ultrafast-lasers-enable-polar-density.html Condensed Matter Optics & Photonics Fri, 15 Nov 2024 13:10:40 EST news650898634 In recent years, many physicists and materials scientists have been studying a newly uncovered class of magnetic materials known as altermagnets. These materials exhibit a unique type of magnetism that differs from both conventional ferromagnetism and antiferromagnetism, marked by electrons whose spin varies depending on their momentum. /news/2024-10-physicists-reveal-nonlinear-quantum-geometry.html Condensed Matter Quantum Â鶹ÒùÔºics Fri, 11 Oct 2024 06:30:02 EDT news647773547 A research team has discovered significant nonlinear Hall and wireless rectification effects at room temperature in elemental semiconductor tellurium (Te). Their research is published in Nature Communications. /news/2024-09-tunable-nonlinear-hall-effect-room.html Condensed Matter Mon, 16 Sep 2024 11:07:03 EDT news645703621 Photonic applications harness the power of light-matter interactions to generate various intriguing phenomena. This has enabled major advances in communications, medicine, and spectroscopy, among others, and is also used in laser and quantum technologies. /news/2024-09-unique-nanodisk-photonics.html Optics & Photonics Wed, 11 Sep 2024 11:57:03 EDT news645274621 A research team led by Professor Sheng Zhigao at the Hefei Institutes of Â鶹ÒùÔºical Science of the Chinese Academy of Sciences has, for the first time, observed the strong nonlinear magnetic second harmonic generation (MSHG) induced by the ferromagnetic order in monolayer CrPS4, with the help of the Steady High Magnetic Field Facility. /news/2024-09-strong-magnetic-harmonic-generation-effect.html Condensed Matter Optics & Photonics Tue, 10 Sep 2024 12:40:07 EDT news645190803 A research team has constructed a coherent superposition of quantum evolution with two opposite directions in a photonic system and confirmed its advantage in characterizing input-output indefiniteness. The study was published in Â鶹ÒùÔºical Review Letters. /news/2024-07-reversal-output-indefiniteness.html Quantum Â鶹ÒùÔºics Mon, 08 Jul 2024 11:34:02 EDT news639657241 An updated model reconciles the gap between recent experiments and theory concerning polarization in wurtzite semiconductors—paving the way for the development of smaller, faster and more efficient electronic devices, according to a recent study by University of Michigan researchers. /news/2024-06-textbook-polarization-gallium-nitride-optimize.html Optics & Photonics Superconductivity Fri, 28 Jun 2024 11:27:14 EDT news638792827 In a recent collaboration between the High Magnetic Field Center of the Hefei Institutes of Â鶹ÒùÔºical Science of Chinese Academy of Sciences, and the University of Science and Technology of China, researchers introduced the concept of the topological Kerr effect (TKE) by utilizing the low-temperature magnetic field microscopy system and magnetic force microscopy imaging system supported by the steady-state high magnetic field experimental facility. /news/2024-04-topological-kerr-effect-dimensional-quantum.html Condensed Matter Quantum Â鶹ÒùÔºics Mon, 29 Apr 2024 11:18:02 EDT news633608281 In recent years, physicists and material scientists have identified various new materials marked by interesting properties and quantum effects. These materials could prove highly valuable both as platforms to study quantum effects and for the development of new quantum computing devices. /news/2024-04-unveils-family-quantum-anomalous-hall.html Condensed Matter Quantum Â鶹ÒùÔºics Tue, 02 Apr 2024 10:12:06 EDT news631271520 A research group led by Prof. Li Xiangyang from the Hefei Institutes of Â鶹ÒùÔºical Science of the Chinese Academy of Sciences has theoretically predicted a series of multiferroic materials that can be applied in room-temperature environments by utilizing the d-p spin coupling combined with center-symmetry-breaking organic heterocycles in two-dimensional (2D) Cr-based metal-organic frameworks. /news/2024-03-scientists-theoretical-strategy-room-temperature.html Nanomaterials Thu, 28 Mar 2024 11:22:18 EDT news630843736