Researchers used a new method to date ancient Mogao Grottoes paintings by analyzing their drawing styles, which were learned through deep learning. The technique successfully dated six paintings and revealed the creation era of other works, reducing uncertainties in dating ancient paintings.
Researchers propose a new interpretation of quantum mechanics, where the wave function represents a real existence rather than a mathematical description. This idea is demonstrated through an encounter-delayed-choice experiment, showing that a quantum object can exhibit both particle and wave behavior depending on the measurement.
Researchers have developed a novel MOF shell-derived surface modification of Li-rich layered oxide cathode, enhancing its electrochemical performance. The LLO@C&NiCo cathode retains up to 95% capacity after 100 cycles and exhibits high rate capability.
Researchers propose a mechanism for ancient culture evolution tied to environment change and technological development, with varying influences at local, regional, and global scales. The study suggests that sudden disasters, climate change, and technological innovations drove social evolution.
Scientists at Sun Yat-Sen University present advances in controlling the flexibility of MOFs for improved performance. They summarize strategies for designing/synthesizing flexible MOFs with specified structural response and dynamic behavior towards external stimuli.
Researchers have developed a simple and efficient criterion to identify potential topological insulators, leveraging atomic number and Pauling electronegativity. This approach enables ready screening of candidate materials, reducing the need for detailed electronic structure calculations.
Researchers have developed an electrically pumped organic semiconductor laser that overcomes the challenge of high optical loss and achieves a low threshold current, paving the way for room temperature continuous-wave lasing. The device uses a small molecule doping system and has a peak wavelength of 621.7 nm.
A team from Peking University successfully experimentally demonstrated a 70Gb/s optical link using an 18GHz band-limited VCSEL and multimode fibers. This achievement showcases the potential for realizing high-speed data transmission in data centers using low-cost and band-limited devices. The study's results have important scientific s...
Researchers at Tsinghua University and Nanjing University of Posts and Telecommunications have successfully demonstrated entanglement-based quantum secure direct communication (QSDC) over 500m optical fibers. The system uses novel fiber-based quantum light sources to generate polarization entangled Bell states, enabling secure informat...
Scientists developed adsorption-energy-based activity descriptors to improve electrocatalytic activity in energy storage. The descriptors are linked to interfacial electronic coupling, providing a new method for selecting high-activity catalysts and understanding structure-activity relationships.
Researchers demonstrate fast and scalable holonomic quantum computation using Nitrogen-vacancy center electron spins in diamond, enabling high-fidelity operations with all-optical control. This work represents the first such achievement in solid-state quantum systems.
A new study by an international research group has discovered a natural process that splits water into hydrogen and oxygen at the Earth's core-mantle boundary. This reaction could generate massive amounts of free hydrogen, affecting the deep Earth's water and hydrogen cycles. The findings also suggest the potential for large-scale oxyg...
The paper reviews recent progress in distributed cooperative anti-disturbance control (DCADC) methods for multi-agent systems, including variable structure control and sliding mode control. Key findings include the universality of disturbance existence and the importance of high-precision control in modern engineering systems.
The article discusses the importance of designing heterojunctions using 2D-materials, which have super clean surfaces and van der Waals coupling. The review highlights various factors influencing CVD fabrication, including temperature, substrate, precursor, lattice mismatch, carrier gas flow rate, and carrier gas composition.
Researchers develop a NbN-SNSPD with system detection efficiency over 90% at 2.1 K, enabling practical applications in quantum information technologies and optical quantum computing/simulation. The device exhibits timing jitters down to 79 ps, promising advantages in high-precision applications.
Inorganic-organic halide perovskites have distinctive advantages for high efficiency solar cells, with recent breakthroughs in developing efficient hole transport material free PSCs. Significant ion transport has been found to redistribute doping and defects, affecting photoelectric behavior and stability.
Researchers XiaoMing Li and ShiJun Liao found more than 600 new families of periodic orbits in the three-body problem using a new numerical simulation strategy. The discovery could lead to a deeper understanding of the system's behavior, with implications for our knowledge of chaotic dynamics.
The traditional 24 Solar Terms are being upgraded with new, geographically correlated models using big meteorological data. The updated system reveals inconsistent timing and spatial inhomogeneity between the old and new systems.
Researchers aim to unravel the underlying physical mechanisms driving SST warming in the Yellow Sea and East China Sea. Despite various studies, a consensus on the dominant mechanism remains elusive due to limited data and conflicting explanations.
A new experiment demonstrates that photons' nature is pre-existing, as described by wavefunctions. This finding clarifies the role of wavefunctions in quantum entities' evolution, confirming physical reality and nonlocality of wavefunctions.
Recently developed nanosized and hierarchical SAPO-34 catalysts show significant advantages in the MTO process, enhancing mass transfer and decreasing coke formation. The review summarizes state-of-the-art synthesis strategies for these catalysts.
Researchers developed a novel localized orbital scaling correction (LOSC) framework to eliminate delocalization errors in density functional theory. The LOSC function achieves size-consistent removal of errors, improving the accuracy of Kohn-Sham calculations, particularly for large systems.
A recent study reveals that the Gobi Desert is a significant contributor to East Asian dust concentrations, with approximately 35% of its emissions transported to remote areas. In contrast, the Taklimakan Desert's dust particles are less likely to be transported due to its geographical location and wind patterns.
The study introduces the adjoint method to combine NPS term and initial condition inversion, improving model accuracy. The results show that assimilating NPS term is more important than initial value, and the model can be generalized to other regions.
Researchers have successfully grown single crystalline films of perovskite CH3NH3PbI3 on electron-collecting substrates, exhibiting excellent photovoltaic properties. The resulting devices achieve high efficiency rates, closing the gap with traditional silicon-based solar cells and offering a promising solution for renewable energy.
Researchers have developed a new system of medical terms based on the Twenty-four Solar Terms (24-STs), allowing for more precise and location-specific treatments in Traditional Chinese Medicine. The system uses geographically dependent timings to optimize treatment effectiveness, making it a significant contribution to the field.
Researchers successfully grew meter-sized single-crystal graphene on industrial Cu foils, overcoming the challenge of polycrystalline films. The technique improves domain alignment and quality through a temperature-gradient-driving method and oxygen supply.
Researchers identify strategies to enhance lithium storage in 2D nanomaterials, including hybridization, surface/edge functionalization, and structural optimization. These approaches aim to improve conductivity and accommodate volume expansion during charging/discharging cycles.
A new control technique has been developed to achieve tight formation control of unmanned aerial vehicles (UAVs), reducing power requirements by minimizing vortices effects. The technique uses an adaptive control scheme to estimate and suppress the aerodynamic interference caused by closely flying UAVs, improving overall performance.
A new research paper presents a saturated coordinated path following control method for multiple underactuated USVs on a closed curve. The proposed method guarantees symmetric formation, has minimal communication data, and bounded control inputs.
The special focus on formation control of unmanned systems presents recent significant achievements in theoretical design and applications. Key findings include the use of consensus-based approaches for simultaneous attack problems and hybrid particle swarm optimization for multi-UAV formation reconfiguration.
Scientists have developed a technique to map thermal conductivity at the nanoscale, enabling more efficient thermoelectric materials. This breakthrough uses scanning thermal microscopy to analyze three-phase thermoelectric materials and determine their local thermal conductivity.
Researchers developed a facile synthetic route to fabricate N/S co-doped carbon microspheres, achieving high capacitance and capacitance retention. The optimized material shows promising performance for practical applications of supercapacitors.
Physicists have successfully demonstrated topological superconductivity in β-Bi2Pd films, a crucial step towards fault-tolerant quantum computing. The researchers found that tuning the chemical potential can isolate topological surface states, revealing a promising candidate for topological superconductor.
Researchers design multifunctional nano-theranostics targeting the unique acidic tumor microenvironment. These smart imaging nanoprobes enable sensitive and accurate tumor diagnosis through signal amplification under reduced pH conditions.
Researchers developed an AI-based approach to extract lung nodules from chest CTs, improving diagnosis accuracy and reducing false positives. The method can be integrated into existing CADe systems and accommodate new data streams, potentially increasing the five-year survival rate for lung cancer patients.
New research reveals genetic differences between Middle-Late Jurassic Cu-Pb-Zn-bearing and W-bearing granites in the Nanling Range. A proposed model attributes the formation of these granites to asthenosphere upwelling and basaltic magma underplating, driven by palaeo-Pacific plate subduction.
The EcoCity model simulates future city expansion and predicts urban heat island effects. The study reveals different surface temperatures in various function zones, with urban impervious surfaces and green spaces playing distinct roles in thermal regulation.
Researchers analyze coupling relationship between urbanization and eco-environment, finding external elements dominate metabolic structure. This leads to accelerated drop in metabolic emergy intensity and increased environmental load. The study provides quantitative reference points for effective decision-making.
A Chinese research team proposes a multi-dimensional system dynamic (SD) simulation model to understand China's urbanization process. The model provides a comprehensive view of the mechanism constrained by environmental sustainability, with an ultimate urbanization level predicted in multiple scenarios.
Researchers identified dissolved barium as a tracer to quantify the extent of Kuroshio's impact on the East China Sea. The study found that Kuroshio subsurface water forms an intrusion current by climbing northwest along the bottom, with nearly 65% of its volume entering the Qiantang Estuary.
Soft robots can adapt to unstructured space environments, satisfy different tasks demands, and improve safety and reliability. Novel actuation methods and control schemes are proposed to address the challenges of soft robot configuration and manipulation.
Researchers have developed a 3D graphene oxide based artificial transpiration device with high solar vapor efficiency, minimizing convection and conduction losses. The device can also collect more sunlight throughout the day and enable effective water treatment through two pathways.
Researchers at Tsinghua University outline recent advances on nonparametric Bayesian methods, regularized Bayesian inference, scalable algorithms, and system implementation to tackle the challenges of Big Data. They also discuss connections with deep learning and highlight the need for human expertise in devising appropriate features a...
Researchers identified phosphorene-like SiS and SiSe as promising anode materials for sodium-ion batteries. These materials exhibit high theoretical specific capacities and low volume changes, ensuring good structural stability.
Next-generation rechargeable batteries require high energy density and cost efficiency. Functional membrane separators improve cycling stability in various battery systems. Smart and sustainable separators enhance safety performance by creating homogeneous environments for lithium deposition.
The study found that the Northern Lenglongling fault was a more suitable seismogenic structure for the MS6.4 Menyuan earthquake. This is supported by field geological mapping and tectonic geomorphology analysis, which indicate the LLLF has been active since the Holocene.
Researchers used deep geophysical exploration and seismic tomography to study the deep tectonic environment of strong earthquakes in North China. Key findings include a complex tectonic setting with a listric normal fault and high-angle deep fault, and a low-velocity anomaly in the middle-lower crust
Researchers discovered surface runoff in megadunes of Badain Jaran Desert, recharging lake water. This finding explains the source of lake water in the desert region.
Researchers have discovered a new conducting additive, Super P carbon black (SPCB), that exhibits high capacity and cycling stability for reversible lithium and sodium ion storage. SPCB shows a higher capacity for lithium ion storage than sodium ion storage due to its reaction mechanism.