Core Insights - The development of a 2 MW liquid fuel thorium-based molten salt experimental reactor in Gansu, China, marks a significant milestone in thorium resource utilization and advanced nuclear energy systems [1][2] - The thorium molten salt reactor operates without the need for water, allowing for potential inland nuclear power station construction, which is a departure from conventional coastal nuclear plants [1][2] Group 1: Technological Advancements - The thorium molten salt reactor has achieved the world's first thorium fuel conversion in a molten salt reactor, providing essential technical support for large-scale thorium resource development [1] - The reactor's design allows for continuous fuel replenishment without the need to shut down, enhancing fuel utilization and significantly reducing radioactive waste generation [2] Group 2: Safety Features - The thorium molten salt reactor operates at atmospheric pressure, eliminating explosion risks associated with high-pressure systems [2] - The reactor is designed with a complete shielding system and is built underground, ensuring that in the event of a leak, the molten salt will solidify quickly, controlling potential risks [2] Group 3: Industry Development - A nascent industrial chain related to thorium molten salt reactor technology has formed in China, with nearly a hundred research institutions collaborating on various technical challenges [2] - The goal is to establish a 100 MW thorium molten salt reactor demonstration project by 2035, accelerating technological iteration and engineering transformation [3]

Core Viewpoint - China National Offshore Oil Corporation (CNOOC) has achieved a significant milestone in deepwater drilling technology with its "Haiheng" FLAT PRO high-performance synthetic drilling fluid system, winning the OTC Brazil New Technology Award, marking a transition from following to keeping pace with global advancements in deepwater drilling technology [1][5]. Group 1 - The "Haiheng" deepwater drilling fluid system can maintain stable flow performance in extreme conditions, with a temperature range from -10°C to 180°C, enabling safe exploration and development in complex environments such as over 3000 meters of water depth and over 10,000 meters of well depth [5][6]. - The OTC Technology Award is regarded as the "Oscar" of the international offshore oil and gas technology sector, and this recognition highlights CNOOC's enhanced competitiveness and brand influence in the global market [5][6]. - The "Haiheng" series technology has been widely applied in global deepwater drilling operations, with an average operational water depth exceeding 1500 meters and a maximum depth record of 2619 meters in the Western Pacific [5][6]. Group 2 - The technology leader of CNOOC stated that "Haiheng" has overcome challenges in wellbore stability for deep displacement wells, maintaining records for the deepest offshore drilling at 9508 meters and a horizontal displacement of 8689 meters [6]. - CNOOC has been actively promoting technological upgrades in ultra-high temperature, ultra-high pressure, and ultra-deepwater fields, focusing on original and leading technological advancements [6]. - The OTC International Offshore Technology Conference is one of the largest and most influential oil and gas exhibitions globally, with over 5000 representatives and more than 200 top oil and gas companies participating [6].

Group 1: Space Applications and Research - The Chinese Academy of Sciences is leading a project involving six scientific experiments in life sciences, fluid sciences, and materials sciences, with a total weight of 63.2 kilograms sent aboard the Shenzhou 21 manned spacecraft [1] - This mission marks the first time mice have been sent to the Chinese space station, which are important model organisms for life sciences research due to their high genetic homology with humans, small size, short reproductive cycle, and ease of genetic editing [1] - The project aims to study the effects of microgravity and confinement on mouse behavior, which is crucial for understanding the key technologies for breeding and monitoring small mammals in space [1] Group 2: Lithium-Ion Battery Research - The "Electrochemical Optical In-Situ Research of Lithium-Ion Batteries for Space Applications" project, developed by the Dalian Institute of Chemical Physics and the Astronaut Research and Training Center, focuses on in-situ optical observation experiments of lithium-ion batteries in microgravity [3] - The research aims to capture the entire process of lithium dendrite growth in microgravity, which is essential for the development and reliable application of lithium-ion batteries in future space missions [3] - Lithium-ion batteries are highlighted as a crucial power source for various space missions due to their lightweight and long lifespan [2]

Group 1 - The core theme of the event is "Hi, Science! - Curious Exploration of the Unknown, Science Connects the Future," showcasing major technological innovations and achievements from the Chinese Academy of Sciences, aimed at stimulating public curiosity, especially among youth [3] - The event features six main sections: "Hi Theater," "Innovation Exhibition," "Creative Workshop," "Zero Distance," "Science Beauty," and "Science and Technology Gathering," designed to engage the public with various scientific experiences [1] - Attendees can interact with scientists, participate in hands-on activities, and learn about significant research outcomes such as the Jiangmen Neutrino Experiment and superconducting quantum computers [1][3] Group 2 - The "Creative Workshop" section includes demonstrations of advanced technologies like a dexterous hand that can control robots through data collection gloves, showcasing applications in research, service, and industry [2] - The "Zero Distance" section allows participants to engage directly with scientists, learning about plant specimen preparation and the role of various crops in agricultural development [3] - The event includes performances that blend science with entertainment, such as science-themed plays and talks by academicians, making science accessible and appealing to a broader audience [2]

Group 1 - The "Tianhe Supercomputing Power Ecological Conference" was held in Linyi, Shandong, focusing on the integration of research, computing, application, and production, with the Linyi intelligent computing node connected to the Tianhe computing network as a key highlight [1] - The conference featured three high-end forums on high-performance computing, AI innovation applications, and industrial digital intelligence, and launched the Tianhe AI Joint Laboratory, soliciting intelligent development solutions across various sectors [1] - The Tianhe Digital Numerical Smart City platform and Enterprise Innovation Cloud were introduced, aimed at providing diverse services and mature solutions for comprehensive urban governance and the development of domestic software [1] Group 2 - The Tianhe Supercomputing Center's resources primarily focus on anti-tumor projects, significantly reducing the project delivery cycle from three years to one year through the use of supercomputing power [2] - The Tianhe Supercomputing Center's Huaihai Branch has served over 1,000 enterprises in the surrounding area since its establishment in 2020, enhancing the local pharmaceutical industry's capabilities [2] - Future plans include leveraging the Tianhe computing network to support various industries and contribute to the national computing network strategy and the construction of a digital China [2]

Core Insights - A research team from the University of Southern California has developed a new type of artificial neuron that mimics the electrochemical behavior of biological brain cells, marking a breakthrough in neuromorphic computing technology [1][3] - This innovation is expected to significantly reduce chip size and energy consumption, facilitating the advancement of general artificial intelligence (AI) [1][4] Summary by Sections Neuromorphic Computing - The new artificial neuron integrates a diffusion memristor and a resistor stacked on a single transistor, resulting in a compact and energy-efficient design suitable for neuromorphic computing systems [3][4] - Each artificial neuron occupies an effective area of approximately 4μm², showcasing the potential for miniaturization in chip design [3] Mechanism of Action - Unlike traditional digital processors or silicon-based "brain-like chips," this artificial neuron truly replicates the operational mechanisms of biological neurons, utilizing chemical reactions to drive information processing [3][4] - The neuron operates through a physical process that mimics the brain's signaling, where electrical signals are converted into chemical signals at synapses, triggering subsequent electrical signals in neighboring neurons [3][4] Efficiency and Structure - The diffusion memristor used in this artificial neuron allows for high-fidelity reproduction of neural processes at the physical level, relying on ion diffusion and memory effects rather than electron flow [4] - This design significantly simplifies the structure, requiring only one transistor per artificial neuron compared to traditional designs that may need dozens to hundreds, indicating a potential reduction in chip size and energy consumption by several orders of magnitude [4]

图为国网河南省电力公司巩义市供电公司员工正在排查烘干点用电隐患。 何立博 摄 【责任编辑：王少晨 】 【图说能源】 河南多地近日持续阴雨，秋粮抢收、抢烘进入关键时刻，烘干设备用电需求增加。国网河南省电 力公司巩义市供电公司组织员工走进田间地头，进行"拉网式"排查，全力确保秋收用电安全稳定， 最大限度保障农民收益。截至目前，公司累计开展上门巡检100余次，排查线路接头隐患15处，确保 风雨天气下设备正常使用。 ...

Core Viewpoint - Daqing Oilfield has successfully implemented cable-controlled intelligent layered water injection technology, achieving a qualified rate of over 92% for experimental water wells, addressing issues of long operation time and low efficiency in conventional single-well measurement and adjustment [1][2]. Group 1: Technology Development - The cable-controlled intelligent layered water injection technology utilizes cables as power and communication carriers for downhole water distribution devices, enabling continuous monitoring and adjustment of water injection in different layers [2]. - This technology allows for remote monitoring of water injection flow, temperature, and pressure, facilitating dynamic adjustments to optimize water distribution and improve oil recovery [2]. Group 2: Historical Context - Daqing Oilfield developed China's first hydraulic pressure differential packer in the 1960s to meet the needs of water injection development, marking a significant advancement in layered water injection technology [1]. - The oilfield has since developed multiple generations of layered water injection technologies, supporting high and stable production at different stages of oilfield development [1]. Group 3: Implementation and Impact - A project team has been established to promote the large-scale application of the cable-controlled intelligent layered water injection technology, with 83 water wells in Daqing Oilfield's production plant already implemented [2]. - The technology not only ensures a high qualified rate for layered water injection but also reduces the workload for verification and sealing measurements, providing substantial data support for reservoir analysis and evaluation [2].

Core Viewpoint - Astronomers are reigniting the search for a potential unknown planet, referred to as "Planet Y," which may be influencing the orbits of distant celestial bodies in the Kuiper Belt, suggesting the presence of a mysterious force affecting these orbits [3][4]. Group 1: Discovery of Planet Y - A recent study by astrophysicist Amir Siraj from Princeton University proposes that the gravitational influence of "Planet Y" could explain the unusual orbital tilts of approximately 50 cold celestial bodies in the Kuiper Belt, which are tilted about 15 degrees [3][4]. - The study indicates that the observed orbital tilt is significantly beyond the gravitational effects of Neptune, with a confidence level of 96%-98% [4]. Group 2: Characteristics of Planet Y - "Planet Y" is hypothesized to have a mass between that of Earth and Mercury, located approximately 100-200 astronomical units from the Sun, with an orbital tilt of at least 10 degrees [5]. - This hypothetical planet is distinct from the previously theorized "Planet X" or "Ninth Planet," which is suggested to be much larger and farther from the Sun [7]. Group 3: Historical Context - The search for unknown planets in the solar system dates back to the 19th century, with the concept of "Planet X" introduced by Percival Lowell, which was later reignited by the discovery of Eris in 2005 [6]. - The "Ninth Planet" hypothesis, proposed by Mike Brown and colleagues in 2016, suggests a massive planet with a mass 5-10 times that of Earth, orbiting at a distance of about 550 times that of the Earth from the Sun [6]. Group 4: Future Observations - The upcoming Vera C. Rubin Observatory's ten-year "Legacy Survey of Space and Time" project is expected to provide critical data that could confirm the existence of "Planet Y" or the "Ninth Planet" [8]. - This observatory, equipped with the world's largest digital camera, will conduct systematic observations of the southern sky, potentially detecting "Planet Y" within the first few years of its operation [8].

新图像以银河系为中心，与2019年发布的上一版GLEAM图相比，分辨率提升两倍、灵敏度提高 十倍、覆盖区域扩大一倍。这些显著进步让天文学家能从前所未有的细节研究银河结构，揭示恒星 形成区、超新星遗迹及其他复杂结构的分布特征。研究人员能够清晰区分新生恒星周围的气体与死 亡恒星遗留下的物质，进一步绘制出更清晰的银河"生命地图"。 这幅图像还为研究脉冲星提供了重要线索。研究人员计划通过测量脉冲星在不同GLEAM-X频率 下的亮度，探究这些神秘天体的射电辐射机制及其在银河中的分布。 研究人员表示，这项成果标志着银河结构研究的重要进展。此前从未有人发布过覆盖整个南部银 河平面的低频射电图像，这一成果堪称天文学的里程碑。未来十年内在澳大利亚西部建成的SKA天 文台·SKA-Low望远镜，将以更高灵敏度和分辨率，进一步拓展人类对银河的认知边界。 国际射电天文学研究中心（ICRAR）团队制作出了迄今为止最大规模的银河系低频射电彩色图 像，以前所未有的清晰度呈现出从南半球视角看到的银河之美，为天文学家研究恒星的诞生、演化 与死亡提供了全新窗口。 这幅图像处理并整合了两项大规模观测数据集。这些数据来自澳大利亚默奇森宽视场阵列望远 ...