/ en-us 糖心视频 internet news portal provides the latest news on science including: 糖心视频ics, 糖心视频, 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 Exploring the BTZ black hole in (2+1)-dimensional gravity took me down a fascinating rabbit hole, connecting ideas I never expected鈥攍ike black holes and topological phases in quantum matter! When I swapped the roles of space and time in the equations (it felt like turning my map upside down when I was lost in a new city), I discovered an interior version of the solution existing alongside the familiar exterior, each with its own thermofield double state. /news/2025-07-space-btz-black-hole.html General 糖心视频ics Quantum 糖心视频ics Thu, 31 Jul 2025 09:10:04 EDT news673171327 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 Just over 200 years after French engineer and physicist Sadi Carnot formulated the second law of thermodynamics, an international team of researchers has unveiled an analogous law for the quantum world. This second law of entanglement manipulation proves that, just like heat or energy in an idealized thermodynamics regime, entanglement can be reversibly manipulated, a statement which until now had been heavily contested. /news/2025-07-quantum-equivalent-thermodynamics-law-entanglement.html General 糖心视频ics Quantum 糖心视频ics Thu, 03 Jul 2025 12:42:04 EDT news670765321 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 Modern humans have existed for more than 200,000 years, and each new generation has begun with a single cell鈥攄ividing, changing shape and function, organizing into tissues, organs, and limbs. With slight variations, the process has repeated billions of times with remarkable fidelity to the same body plan. /news/2025-06-cells-anthrobots-biologically-younger.html Cell & Microbiology Biotechnology Wed, 18 Jun 2025 10:20:01 EDT news669460515 The precise measurement of states in atomic and molecular systems can help to validate fundamental physics theories and their predictions. Among the various platforms that can help to validate theoretical predictions are so-called diatomic molecular hydrogen ions (MHI), molecular ions that consist of two hydrogen nuclei (i.e., protons or their isotopes) and a single electron. /news/2025-05-method-rovibrational-ground-state-molecular.html General 糖心视频ics Quantum 糖心视频ics Tue, 27 May 2025 09:40:17 EDT news667557609 Protons are the basic building blocks of matter. Together with neutrons, they form atomic nuclei. These minute, positively charged particles have an antimatter counterpart, antiprotons. While the latter have a negative charge and a reversed magnetic moment, they are otherwise identical to protons鈥攁t least according to the Standard Model of particle physics. /news/2025-05-penning-enables-loss-free-protons.html General 糖心视频ics Wed, 14 May 2025 14:17:04 EDT news666451021 To improve photonic and electronic circuitry used in semiconductor chips and fiber optic systems, researchers at the McKelvey School of Engineering at Washington University in St. Louis tinkered with the rules of physics that govern the movement of light over time and space. They have introduced a new way to manipulate light transmission, opening possibilities for advanced optical devices. /news/2025-05-photonic-chip-simpler-solution-optical.html Optics & Photonics Wed, 14 May 2025 13:20:07 EDT news666447128 Axions, hypothetical subatomic particles that were first proposed by theoretical physicists in the late 1970s, remain among the most promising dark matter candidates. 糖心视频ics theories suggest that the interactions between these particles and regular matter are extremely weak, which makes them very difficult to detect using conventional experimental set-ups. /news/2025-05-results-haystac-phase-ii-dark.html General 糖心视频ics Mon, 12 May 2025 11:20:01 EDT news666265461 Mathematicians love the certainty of proofs. This is how they verify that their intuition matches observable truth. /news/2025-05-math-reveals-edge-ai.html Mathematics Tue, 06 May 2025 13:22:05 EDT news665756515 Altermagnets, which exhibit momentum-dependent spin splitting without spin鈥搊rbit 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 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 糖心视频ics Mon, 07 Apr 2025 10:59:01 EDT news663242337 I've long been fascinated by the fundamental mystery of our universe's origin. In my work, I explore an alternative to the traditional singularity-based models of cosmology. Instead of a universe emerging from an infinitely dense point, I propose that a flat universe and its time-reversed partner鈥攁n anti-universe鈥攃an emerge together from nothing through a smooth, quantum process. /news/2025-03-quantum-genesis-emergence-flat-universe.html Astronomy Mon, 17 Mar 2025 10:50:01 EDT news661427096 A possible method for probing the properties of exotic particles that exist on the surfaces of an unusual type of superconductor has been theoretically proposed by two RIKEN physicists. /news/2025-03-revealing-hidden-symmetries-superconductor.html Condensed Matter Superconductivity Thu, 13 Mar 2025 07:49:23 EDT news661070960 A new optical fiber link between CERN and Paris will provide the Laboratory with an accurate frequency reference, enhancing precision and supporting experiments like ALPHA in their search for matter鈥揳ntimatter differences. /news/2025-02-optical-fiber-link-cern.html General 糖心视频ics Quantum 糖心视频ics Fri, 21 Feb 2025 09:44:03 EST news659353441 In molecular shuttles, a ring molecule is threaded onto a linear molecular strand and can move between two portions of the strand, called stations, in response to external stimuli. Chemical stimuli, light or mechanical forces determine the time the shuttle spends at each station while it hops back and forth by random thermal motion. Measuring individual trajectories during the operation of such synthetic devices is crucial for a thorough understanding of their operation and in the optimization of molecular machines. /news/2025-02-optical-tweezers-reveal-motion-symmetric.html Nanophysics Nanomaterials Thu, 20 Feb 2025 12:22:03 EST news659276521 The Anderson transition is a phase transition that occurs in disordered systems, which entails a shift from a diffusive state (i.e., in which waves or particles are spread out) to a localized state, in which they are trapped in specific regions. This state was first studied by physicist Philip W. Anderson, who examined the arrangement of electrons in disordered solids, yet it was later found to also apply to the propagation of light and other waves. /news/2025-02-simulations-reveal-anderson-transition-3d.html Optics & Photonics Fri, 14 Feb 2025 06:30:01 EST news658660097 What if time is not as fixed as we thought? Imagine that instead of flowing in one direction鈥攆rom past to future鈥攖ime could flow forward or backwards due to processes taking place at the quantum level. This is the thought-provoking discovery made by researchers at the University of Surrey, as a new study reveals that opposing arrows of time can theoretically emerge from certain quantum systems. /news/2025-02-physicists-uncover-evidence-arrows-emerging.html Quantum 糖心视频ics Thu, 13 Feb 2025 09:43:00 EST news658662173 Topological insulators (TIs) are among the hottest topics in condensed matter physics today. They're a bit strange: Their surfaces conduct electricity, yet their interiors do not, instead acting as insulators. 糖心视频icists consider TIs the materials of the future because they host fascinating new quantum phases of matter and have promising technological applications in electronics and quantum computing. Scientists are just now beginning to uncover connections between TIs and magnetism that could unlock new uses for these exotic materials. /news/2025-01-illuminating-asymmetric-gap-topological-antiferromagnet.html Condensed Matter Quantum 糖心视频ics Tue, 21 Jan 2025 16:47:15 EST news656700425 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 Using muon spin rotation at the Swiss Muon Source SmS, researchers at the Paul Scherrer Institute (PSI) have discovered that a quantum phenomenon known as time-reversal symmetry breaking occurs at the surface of the Kagome superconductor RbV3Sb5 at temperatures as high as 175 K. This sets a new record for the temperature at which time-reversal symmetry breaking is observed among Kagome systems. /news/2024-11-kagome-superconductor-temperatures.html Condensed Matter Superconductivity Wed, 06 Nov 2024 04:35:37 EST news650090130 This week, physicists suggested that quantum entanglement may be really, really fast rather than instantaneous, and could be measured at an attosecond scale. Paleontologists discovered a fossilized mammal in Colorado that may have lived alongside dinosaurs in the Late Cretaceous. And scientists with the U.S. Geologic Survey reported that up to 95 million people may be relying on drinking water contaminated with PFAS chemicals. /news/2024-10-saturday-citations-comprehension-revisiting-tardigrade.html Other Sat, 26 Oct 2024 08:50:01 EDT news649078775 We live in a golden age for learning about the universe. Our most powerful telescopes have revealed that the cosmos is surprisingly simple on the largest visible scales. Likewise, our most powerful "microscope," the Large Hadron Collider, has found no deviations from known physics on the tiniest scales. /news/2024-10-early-cosmos-balloon-size-mirror.html Astronomy Thu, 24 Oct 2024 13:14:01 EDT news648994436 Modern high-speed internet uses light to quickly and reliably transmit large amounts of data through fiber-optic cables, but currently, light signals hit a bottleneck when data processing is necessary. For that, they must convert into electrical signals for processing before further transmission. /news/2024-10-optical-device-paves-faster-fiber.html Optics & Photonics Sat, 19 Oct 2024 13:21:23 EDT news648562870 Generative AI systems, such as ChatGPT, are trained on large datasets to create written, visual or audio content in response to prompts. When fed real images, some algorithms can produce fake photos and videos known as deepfakes. /news/2024-10-ai-deepfakes-election-misinformation.html Political science Fri, 18 Oct 2024 12:32:04 EDT news648473521 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 糖心视频ics Fri, 11 Oct 2024 06:30:02 EDT news647773547 As our digital world generates massive amounts of data鈥攎ore than 2 quintillion bytes of new content each day鈥攜esterday's storage technologies are quickly reaching their limits. Optical memory devices, which use light to read and write data, offer the potential of durable, fast and energy-efficient storage. /news/2024-10-quantum-paves-efficient-ultra-high.html Optics & Photonics Quantum 糖心视频ics Wed, 02 Oct 2024 14:48:42 EDT news647099318 A group of Nagoya University researchers in Japan has synthesized 4- and 5-layered versions of the important electrical material perovskite. Analyzing the mechanism of ferroelectricity in the material, they found it has a unique function: the material switches its ferroelectric mechanisms depending on whether the number of layers is odd or even. Researchers expect that these diverse properties will greatly expand the development of new electronic devices. The Journal of the American Chemical Society published the study. /news/2024-09-template-synthesis-multilayered-perovskites-unique.html Analytical Chemistry Materials Science Wed, 18 Sep 2024 12:32:59 EDT news645881569 Using two optically-trapped glass nanoparticles, researchers observed a novel collective Non-Hermitian and non-linear dynamic driven by non-reciprocal interactions. This contribution expands traditional optical levitation with tweezer arrays by incorporating non-conservative interactions. /news/2024-07-nonreciprocal-interactions-nonlinear-hermitian-dynamics.html Optics & Photonics Quantum 糖心视频ics Thu, 25 Jul 2024 10:53:25 EDT news641123601