Core Insights - Danish and Czech scientists have successfully achieved a transmission distance of 120 kilometers for quantum signals and classical data using Continuous Variable Quantum Key Distribution (CV-QKD) technology [1][2] - The research highlights the potential of CV-QKD to provide a plug-and-play quantum security solution for long-distance fiber links without the need for additional filtering equipment or specific wavelength allocation [2] Group 1: Technology Overview - Quantum Key Distribution (QKD) leverages quantum mechanics to enable highly secure information transmission, where any eavesdropping attempt disturbs the quantum state of the transmitted information, alerting the communicating parties [1] - Traditional QKD deployment faces challenges due to noise introduced by classical channels, limiting transmission distances to a few dozen kilometers [1] Group 2: Research Breakthrough - The study successfully mitigated interference between quantum signals and classical data by activating the long-ignored "built-in filtering" feature of the CV-QKD system, optimizing the quantum signal transmission strategy [2] - This advancement allows for stable and reliable quantum key distribution over a 120-kilometer fiber carrying full classical data, significantly reducing the difficulty of upgrading existing networks [2] Group 3: Future Prospects - The research team suggests that improvements in error correction technology could further enhance transmission distances and key generation efficiency in the future [2]

Core Points - The 15th National Games torch relay will take place on November 2, simultaneously in four cities: Hong Kong, Macau, Guangzhou, and Shenzhen, with the torch named "Spirit of the Sea Flame" [1] - The relay will feature innovative organizational models, transmission methods, and route designs, showcasing the modernized Bay Area practices of China [1] - Technology will play a significant role in the relay, with the use of smart robots, autonomous vehicles, and low-altitude flying devices to highlight the Guangdong-Hong Kong-Macau Greater Bay Area as an international center for technological innovation [1] Route Design - The relay will utilize a point-to-point jumping transmission method to connect city landmarks, reflecting the historical culture and contemporary features of the cities involved [2] - Guangzhou's route will highlight its "thousand-year commercial capital" characteristics, linking both historical sites and new landmarks [2] - A special guarantee plan for the relay will be implemented, referencing the "seamless customs clearance" model for cross-border events, ensuring efficient transportation of the torch and related equipment [2]

Core Insights - The photon industry is at a turning point from "technological catch-up" to "industry leadership" as highlighted by experts at the "Good Hope Science Salon" in Xiamen [1] - The salon focused on the theme "Ultrafast Light: From Laser Pulses to a New Era of the Photon Industry," aiming to promote the integration of cutting-edge academic research, technology transfer, and industrial capital [1] - Ultrafast optical technology is moving from laboratory settings to industrial applications, playing a crucial role in chip manufacturing, medical diagnostics, and national defense detection [1] Group 1 - The rapid development of AI is driving chip technology towards multidimensionality, with femtosecond pulse laser-based nano-printing technology enabling the creation of complex three-dimensional structures [1] - Ultrafast laser technology has achieved significant academic success, and its widespread application in real life is just beginning [1][2] - The evolution of ultrafast optics is supported by foundational theories, with the invention of "chirped pulse amplification" in 1985 being a key milestone recognized by the 2018 Nobel Prize in Physics [2] Group 2 - Terahertz technology is gaining attention for its unique advantages in early cancer diagnosis and strategic applications in radar detection [3] - The development of "ultra-strong lasers" is crucial for both fundamental physics research and national security, highlighting their irreplaceable role in high-end manufacturing [3] - The "Good Hope Science Salon" aims to build a dialogue platform for academia, technology, and industry, emphasizing the need for enhanced collaboration between industry, academia, and research [3]

Group 1: Technology Breakthroughs in Inner Mongolia - The "Technology Breakthrough" project during the 14th Five-Year Plan aims to leverage Inner Mongolia's unique resources for high-quality industrial development, focusing on sectors like wind, solar, rare earths, and dairy [2] - Inner Mongolia's new energy industry is experiencing rapid growth, with installed capacity exceeding 143 million kilowatts by May 2025, accounting for 52% of the region's total power capacity [4] - The first million-kilowatt "Shagao Desert" wind-solar base is under construction, expected to deliver approximately 36 billion kilowatt-hours annually to the Beijing-Tianjin-Hebei region, significantly reducing coal consumption and CO2 emissions [4] Group 2: Rare Earth Industry Developments - Inner Mongolia is focusing on developing rare earth industries, particularly in Baotou, where new technologies are being integrated to replace heavy rare earth elements while maintaining product performance [5] - The region is establishing two rare earth bases and enhancing innovation platforms to facilitate technology breakthroughs and market-oriented mechanisms [6] - Baotou's rare earth industry is targeting a production value of 130 billion yuan, with significant advancements in high-performance neodymium-iron-boron production [6] Group 3: Dairy Industry Innovations - The largest probiotic smart factory in Asia has been launched in Inner Mongolia, aiming to achieve technological breakthroughs in the dairy sector [7] - The National Grass Technology Innovation Center is making strides in grass breeding and high-quality forage production, supporting dairy farming [8] - Inner Mongolia has developed a complete ecological system for the dairy industry, from grass cultivation to milk production, ensuring high-quality development [8] Group 4: Hydrogen and Ammonia Fuel Technology - The world's first hydrogen-ammonia dual-fuel gas turbine has been successfully assembled in Inner Mongolia, marking a significant advancement in zero-carbon energy technology [9] - This turbine can switch between hydrogen, ammonia, and natural gas, creating a complete energy production and consumption ecosystem [10] Group 5: Breakthroughs in New Energy Mining Vehicles - The first integrated solar-storage-charging mining vehicle project has been launched, achieving record charging speeds and establishing a green energy ecosystem for mining operations [12] - This project supports the transition from external electricity use to self-generated green energy, enhancing the automation and digitalization of mining operations [12]

Core Insights - The conference highlighted the challenges of AI data security, particularly in the context of large models being vulnerable to attacks that can manipulate their outputs [1][2] - Experts emphasized the need for a new defensive ecosystem that leverages AI to counteract emerging threats, suggesting a shift from traditional passive defense to proactive measures [3][4] Group 1: AI Security Challenges - A significant incident occurred where a large model provided an incorrect answer due to a traditional "crawler" attack, illustrating the vulnerabilities in AI systems [1] - The increasing prevalence of AI in production necessitates robust security governance to ensure safe utilization of data elements [1][2] - Experts warned that using open-source programs for developing proprietary models poses substantial security risks, highlighting the importance of security assessments and compliance checks [2] Group 2: New Defensive Strategies - Experts proposed using models to counteract other models, creating new defensive "agents" that can perceive their environment and execute tasks autonomously [3] - The concept of "deceptive defense" was introduced, which involves using traps and decoys to identify and deter attackers, thus enhancing proactive defense mechanisms [4] - The integration of AI security into a unified protection system is deemed crucial for ensuring the safe transition of various industries towards intelligent transformation [4] Group 3: Collaborative Efforts in Cybersecurity - The need for industry-wide collaboration was emphasized to advance cybersecurity, with a focus on practical applications and original achievements in real-world defense scenarios [5]

Core Viewpoint - The article highlights the approval and significance of the uCT Ultima, China's first photon-counting spectral CT developed by United Imaging Healthcare, marking a major advancement in medical imaging technology [5][6]. Group 1: Product Development - The uCT Ultima has received approval from the National Medical Products Administration, representing a significant milestone in the commercialization of photon-counting spectral CT technology in China [5]. - This technology is considered a "crown jewel" in medical devices and is referred to as the "third technological revolution" in CT imaging [5]. Group 2: Technological Advantages - The uCT Ultima features a semiconductor detector that provides higher spatial resolution imaging, direct multi-energy spectrum imaging, and lower radiation dose imaging, significantly enhancing precision diagnosis [6]. - The pixel area of the detector has been reduced to one-ninth of its original size, allowing for the visualization of finer pathological structures and achieving ultra-high resolution imaging with full collimation coverage [6]. - Radiation dose reduction can reach 60% to 70%, and in certain organs, it can be reduced by 80% to 90%, making CT scans safer for patients [6]. Group 3: Market Position - United Imaging Healthcare is now the third company globally and the first in China to successfully commercialize photon-counting CT technology [6]. - The uCT Ultima has already been implemented in clinical research at Fudan University Zhongshan Hospital and Shanghai Jiao Tong University School of Medicine Ruijin Hospital [6].

科技日报讯 （记者杨仑）记者10月23日获悉，全国首列氢能文旅列车"氢春号"在近日举行的中国中车 现代产业链融通发展共链行动大会正式发布，标志我国在绿色轨道交通领域实现全新突破，氢能驱动城 市出行迈入崭新阶段。 "氢春号列车具有零碳环保、智慧舒适、安全可靠、文旅融合等特点，可以为现代城市交通提供绿色、 经济的定制化解决方案。"中车长客股份公司副总经理、总工程师汪中海说。 会上，中国中车集团与吉林省政府签署了《氢能产业链合作协议》，双方将共同推动氢能列车应用场景 建设及产业链布局。"中国中车将依托吉林资源禀赋、产业基础、应用场景，不断发挥产业优势、技术 优势、资本优势，深化央地合作，构建氢能产业新集群，推进氢能产业高质量发展，打造产业链融合共 建样板。"中国中车党委常委、副总裁林存增说。 "氢春号"由中车长客股份公司研制，采用氢燃料电池动力系统，运行唯一产物为水，实现零碳排放，无 需接触网供电，适应多场景线路。据介绍，该列车支持1至6辆灵活编组，可覆盖城市通勤与文旅线路， 有助于降低建设与运维成本，填补低运量轨道交通市场空白。在能耗方面，"氢春号"列车每公里平均能 耗约1.5千瓦时，储氢系统采用金属基体加碳纤维 ...

Core Insights - Recent advancements in photolithography technology have been achieved by a research team led by Professor Peng Hailin from Peking University, utilizing cryo-electron tomography to analyze the microscopic 3D structure and behavior of photoresist molecules in a liquid environment, which aids in developing industrial solutions to significantly reduce photolithography defects [1][2] Group 1: Photolithography Technology - Photolithography is a critical driver for the continuous miniaturization of integrated circuit chip manufacturing processes [1] - The core step of "development" in photolithography involves dissolving the exposed areas of photoresist with a developer solution to accurately transfer circuit patterns onto silicon wafers [1] - The microscopic behavior of photoresist in the developer solution has long been a "black box," limiting process optimization and becoming a key bottleneck for improving yield in advanced processes of 7nm and below [1] Group 2: Research Methodology - The research team introduced cryo-electron tomography into the semiconductor field, successfully synthesizing a high-resolution 3D "panoramic photo" with a resolution better than 5nm, overcoming traditional limitations of in-situ, three-dimensional, and high-resolution observation [1] - This technology provides a powerful tool for analyzing various liquid-phase interfacial reactions at the atomic/molecular scale, which can enhance defect control and yield improvement in critical processes such as photolithography, etching, and wet cleaning in advanced manufacturing [2]

Group 1 - The 2025 World Top Scientists Forum opened in Shanghai, focusing on "Future Science: Shanghai and the World," featuring around 150 scientists from over 10 countries, including 4 Nobel Prize winners and 4 Turing Award winners, making it one of the highest-profile international scientific conferences in Asia [1] - Keynote speeches covered cutting-edge topics in information technology, life sciences, and physics, highlighting the responsibility of scientists to address global challenges through their research [1] - Artificial intelligence is emerging as a hot topic in the scientific field, with Turing Award winner Jack Dongarra emphasizing that AI's impact will surpass that of the internet, and that supercomputers will continue to play a crucial role in understanding the world [1] Group 2 - Turing Award winner and Chinese Academy of Sciences member Yao Qizhi is advocating for a comprehensive safety perspective to address "survival risks" posed by rapidly evolving technologies like synthetic biology, AI, and quantum computing [2] - Yao Qizhi highlighted the need for post-quantum cryptography research due to the potential of quantum computers to break standard encryption systems, particularly RSA [2] - Nobel laureate Barry Sharpless noted that the collaboration between "click chemistry" and AI will revolutionize traditional drug development pathways, aiming for a world where everyone has access to medical care [2] Group 3 - The World Top Scientists Association Award, one of the highest scientific awards globally, has recognized 12 scientists over four editions, enhancing its influence and connectivity within the global scientific community [3] - Scott Emmer, a recipient of the award, expressed that participating in the forum and award ceremony in Shanghai provided valuable opportunities for interaction with Chinese scientists and opened doors for more collaboration between the US and Chinese scientific communities [3]

Core Viewpoint - The 2025 World Top Scientists Forum held in Shanghai highlights the importance of scientific collaboration and innovation, featuring significant awards and discussions among leading scientists from around the world [1][2][4]. Group 1: Event Overview - The forum took place from October 24 to 26, 2025, under the theme "Future Science: Shanghai and the World," attracting 25 top-tier award-winning scientists [1]. - The event is recognized as one of the highest-profile international scientific conferences in Asia, showcasing a diverse range of scientific inquiries and discussions [1][4]. Group 2: Awards and Recognitions - The World Top Scientists Association Award, comparable to the Nobel Prize, was presented during the forum, with the "Life Sciences or Medicine Award" going to Scott Emmer and Wes Sundquist for their groundbreaking work on cellular mechanisms [2][3]. - The "Intelligent Science or Mathematics Award" was awarded to Richard S. Hamilton for his pioneering contributions in geometric analysis and differential geometry [2]. Group 3: Scientific Contributions - Emmer's research on the ESCRT pathway has been pivotal in understanding how cells manage protein degradation, which has implications for combating diseases like HIV [2][3]. - The pharmaceutical industry has leveraged these foundational biological discoveries, leading to significant advancements in HIV treatment, exemplified by Gilead Sciences' development of a revolutionary drug [3]. Group 4: Collaborative Opportunities - The forum has fostered connections between international scientists and the Chinese scientific community, enhancing collaborative research opportunities [3][5]. - Notable scientists expressed pride in being part of the award-winning community and emphasized the importance of building relationships for future scientific endeavors [3][5]. Group 5: Forum Structure and Participation - The forum featured a comprehensive structure with one main forum, six sub-forums, and over ten related activities, focusing on various scientific disciplines and promoting in-depth discussions [4]. - Approximately 150 scientists from over ten countries participated, including four Nobel laureates and numerous distinguished young scientists, reflecting the forum's global reach and influence [5].