Researchers develop vascularized organ-on-a-chip systems for personalized medicine, reducing animal testing and improving drug efficacy. These devices mimic human organs on a microscale, enabling precise manipulation of physical and chemical conditions.
A study highlights the motivators and barriers influencing consumer adoption of electric vehicles worldwide, emphasizing the reduction of air pollution as a primary motivator. The transition is hindered by high costs, charging infrastructure concerns, and driving range limitations.
Researchers at Huazhong University have developed a revolutionary method for fast and accurate topology identification in complex dynamical networks. The new approach, FT-TIDCN, leverages finite-time stability theory to identify network topologies swiftly, addressing a common challenge in network science.
Researchers at Zhejiang University have developed a wrist-inspired soft actuator capable of bidirectional torsion, surpassing existing models with up to 239.5 degrees of rotation. The innovative design combines magneto-pneumatic hybrid systems and Kresling origami structures for efficient and compact functionality.
A new study from Tsinghua University and Imperial College London reveals that social interactions can significantly enhance brain-computer interface (BCI) systems. The research found that familiar social connections and physical interactions like eye contact and hand touch improve BCI decoding accuracy and neural synchronization.
A groundbreaking study has introduced a new artificial intelligence framework that revolutionizes the way robots interpret and execute tasks. The CPMI framework leverages large language models to improve robot efficiency and effectiveness in complex instruction-based tasks, enabling adaptability and learning from experiences in real-time.
The Merge-and-Split Graph Convolutional Network (MS-GCN) tackles interaction dynamics between multiple individuals, understanding nuanced relationships between body parts during interactions. It achieves state-of-the-art results on NTU60 and NTU120 datasets, advancing action recognition and intuitive AI systems.
A novel electromagnetic driving system is presented for 5-DOF magnetic manipulation in intraocular microsurgery. The system employs an optimized configuration, control framework based on ADRC and virtual boundary, and achieves precise and stable manipulation with reduced errors.
The study highlights the impact of volatile elements, convective mechanisms, liquid water, and carbon cycles on planetary habitability. Volatile elements affect atmospheric composition, while convection mechanisms shape surface conditions and regulate nutrient cycles.
The algorithm facilitates dynamic trajectory planning for connected automated vehicles, improving transportation efficiency. It also reduces average delays and fuel consumption as CAV penetration increases.
China is revolutionizing low-altitude airspace management by integrating unmanned aerial systems (UAS), promoting efficient and safe operations. The country's advancements in UAS technology and regulatory frameworks aim to set international standards for unmanned aviation, transforming the nation's aviation industry.
The GREENSKY model significantly enhances the energy efficiency of Unmanned Aerial Vehicles (UAVs) in cellular networks by optimizing charging behavior and routing processes. This results in a 9.1% reduction in energy consumption compared to traditional heuristic solutions.
Researchers developed a thermoelectric device that converts heat into electricity at near room temperature, with an instantaneous power density of 3.7 mW/m² K² and a Carnot relative efficiency of 0.12%. The device has applications in powering wearable electronics, solar panels, and building walls.
Researchers increased EMG signal dimensions virtually to capture richer information about user intentions, improving gesture recognition accuracy. This approach leverages implicit coordination between muscles during movement, enhancing the control effect of prosthetic hands.
A wrist-inspired soft actuator achieves large rotational movement through bidirectional torsion motion, enabling complex tasks like door opening and screwing. The actuator's design allows for superior torsion capabilities compared to the human wrist, promising applications in soft robotics.
Researchers propose a novel separator design co-coated with boehmite ceramics and LATP solid-state electrolytes to improve the safety of HED LIBs. The study demonstrates that this design can prevent thermal deformation and mitigate detrimental effects on electrochemical performance, resulting in improved battery performance and reliabi...
Researchers design COFs with precise density and position to alter energy density of electrode materials, promoting metal ion migration. The structure and properties of COFs are crucial for achieving high-performance, stable, and sustainable alkaline ion battery systems.
The development of cost-effective and high-performance RP anode materials is crucial for LIBs/SIBs. Poor electrical conductivity and significant volume changes in RP compromise its cycling stability, leading to substantial electrode polarization and reaction kinetics issues.
Scientists have successfully developed a new structure family of oxide proton conductors as an alternative solid oxide fuel cell operated at low temperature. They achieved remarkable proton conductivity of 0.158 S cm−1 at 500°C by surficially transporting protons along oxide-ion conductor GDC particles.
The proposed algorithm uses rapid estimation of non-cooperative target parameter estimation to track the target's position and velocity in real-time. It achieves effective tracking of continuous maneuvering trajectories based on measurement data, outperforming the interactive multimodel method in terms of trajectory tracking accuracy.
Researchers developed a template-free strategy for edge-nitrogen doped porous carbon anodes, improving K+ adsorption and intercalation capabilities. The resulting potassium-ion hybrid capacitors exhibit high capacities and energy densities.
The development of asymmetric fire-retardant electrolytes in lithium metal batteries has shown significantly enhanced safety performance and cycling stability. The novel quasi-solid polymer electrolyte meets the stringent requirements of high-voltage LMBs, addressing safety concerns and improving overall battery performance.
Researchers have developed a new polymeric binder that enhances the mechanical strength and stability of sulfide solid electrolyte membranes. This breakthrough improves the energy density of all-solid-state lithium batteries, enabling longer cycle life and higher performance.
A new study directly measures the rowing force of a water strider's middle leg using a bio-appropriating probe, obtaining a force of 955 µN. Indirect measurement via image analysis yields a lower force of 488 µN. The study enhances understanding of water repellency and applications in biomechanics and biology.
Researchers have optimized thermodynamics and kinetics of Mg-In-Ti hydrogen storage system, improving de/hydrogenation properties. The study aims to combine advantages of MXenes and In alloying for simultaneous alteration of Mg-based hydrogen storage materials.
Researchers developed a high-efficiency mercury removal photocatalyst by constructing a Z-scheme heterojunction of g-C3N5 and Bi5O7I. The unique structure enhances the separation and migration of electrons and holes, improving photocatalytic activity.
A hierarchical platoon control framework is designed to address the influence of external disturbances on CV platoons. The ISM controller eliminates disturbance effects, ensuring stability and string stability in the platoon. Numerical simulations demonstrate the effectiveness of the control strategy.
Scientists develop a novel deployment scheme for a 3-body chain-type tethered satellite system, utilizing sequential deployment and hierarchical sliding mode control to ensure accurate trajectory tracking. The proposed scheme simplifies the deployment process while guaranteeing positive tension and avoiding tether rupture.
Researchers investigate the interaction between solar wind and the Moon's surface, exploring the formation of lunar swirls and the influence of magnetic fields. The study highlights the importance of interdisciplinary research in understanding the Moon's space environment.
Researchers create a legged small celestial body landing mechanism that can land stably in different conditions, including varying gravity and slopes. The study found that key factors such as cardan element damping, foot anchors, retro-rocket thrust, and landing slope affect the landing performance.
Researchers at Beijing Institute of Technology propose a human-like variable admittance control method to increase the safety, robustness, and adaptability of robot space assembly. The team successfully verified the effectiveness of their method through space satellite assembly simulation verification.
Researchers investigated two strategies to improve the cycling performance of all-solid-state batteries. The first strategy involves coating the cathode surface, which improves electrochemical performance, but the second strategy using halide electrolytes shows promise despite its limitations. The study suggests that a combination of b...
A team of scientists has investigated the effect of initial temperature on Li dendrite morphology through temperature-dependent ionic diffusion coefficient, reaction coefficient, and conductivity. They found a unified picture for the seemingly contradictory dendrite-promoting and dendrite-inhibiting effects of increased temperature in ...
Researchers have created a hierarchically porous bifunctional catalyst that enhances the transport of reactants and products in zinc-air batteries. The pyrolysis-free strategy allows for improved durability and efficiency, making it an important step towards commercializing this technology.
Researchers examine the complex interactions between solar wind and the Moon's surface environment, including small-scale magnetic fields, lunar swirls, and regolith layer dynamics. The study highlights the need for further in-situ observations to understand these processes and their implications for human activities on the Moon.
The incorporation of HsGDY into cathode promotes the absorption and conversion of lithium polysulfides, providing new ideas for high-energy density lithium-sulfur batteries. Ni foam facilitates large specific capacity and long-term stability at high current densities.
Scientists initiate high voltage multi-electron reactions in NASICON cathodes to enhance the performance of aqueous zinc/sodium batteries. The study proposes using transition metal ion substitution to augment structural stability and increase capacity, offering a promising strategy for advancing the technology.
Researchers propose a reinforcement learning-based approach to optimize multi-impulse linear rendezvous trajectories, achieving faster computation times and improved fuel efficiency compared to traditional numerical optimization methods. The algorithm uses an actor-critic architecture and advantage-weighted learning to accelerate train...
Researchers investigate impact of different geometric porosities on aerodynamics of supersonic parachutes. The study reveals that porosity structures have little effect on flow field mode and pressure distribution, but affect drag performance, with single-seam models showing better stability.
The Tiangong space station features a T-shaped configuration with three modules: Tianhe, Wentian, and Mengtian. It boasts advanced technologies, including a large-area flexible solar array system, physicochemically regenerative life support systems, and robotic arms.
Researchers reviewed techniques for Jupiter capture trajectories, including satellite-aided captures and multiple-satellite-aided captures. They also examined tour trajectories of Galilean moons using patched-conics models and three-body trajectory designs.
Scientists proposed an adapted Mars ISRU system to produce oxygen for ascent propellants and life support. The system's performance was modeled with various control options, optimizing cell voltage and flow rate while minimizing carbon formation risks.
Researchers propose surface modification and novel structural designs to stabilize Li-rich cathodes in solid-state batteries. The review discusses potential solutions for interfacial ion and electron transfer issues.
Researchers identified hexagonal ZrB2O2-Cr as an excellent platform for electrocatalytic nitrogen reduction reaction, showing ultra-low limiting potential and high selectivity. The origin of high activity is attributed to the synergistic effect of single atom and metal atoms in the substrate.
Researchers have developed a high-energy cathode, Na4MnCr(PO4)3, capable of three-electron reactions. The material exhibits an ultra-high energy density of 523.6 Wh kg^-1, outperforming existing phosphate cathodes.
Researchers optimize micronozzle design through numerical simulation and design optimization to improve thrust force and specific impulse. The study finds that wall heat transfer, convergence duct design, throat shape, and expander structural parameters significantly affect nozzle performance.
Researchers developed magnetic microrobots with folate targeting for enhanced cancer cell targeting and inhibition. The system consists of biodegradable gelatin methacryloyl-based ABF microhelix and FA-loaded Fe@ZIF-8 nanoparticles, which can deliver therapeutic drugs like DOX into cells via receptor-ligand-mediated endocytosis.
The study improves the assessment of catastrophic failures in sealed cabins for ultra large manned spacecraft in M/OD environments. The authors develop a failure assessment module and establish perforation and crack equations for stuffed Whipple shields, providing a reference for designing and assessing long-term on-orbit missions.
Researchers propose a deep neural network-based method for calibrating 4-quadrant analog solar sensors, reducing errors by up to 0.25° (3σ). The approach uses cubic surface fitting and deep feedforward neural networks to approximate the actual error model and correct errors effectively.
Researchers confirm hydrogen inhalation improves brain function and alleviates pathological damage caused by hindlimb unloading. The study suggests a potential protective measure for astronauts during spaceflight, involving changes in PGC-1α and BDNF expression.