Core Viewpoint - The nuclear energy sector is experiencing renewed interest globally, with over 30 countries committing to triple their nuclear power capacity by mid-century, and China successfully halving construction costs over the past 20 years, providing valuable lessons for other nations [1][2]. Group 1: Cost Reduction in Nuclear Energy - Historical challenges of rising costs in the nuclear industry have been evident, with the U.S. experiencing a tenfold increase and France nearly tripling costs [1]. - China's experience demonstrates that through strategic measures such as stable regulatory environments, domestic supply chain development, and standardized reactor designs, construction costs can be effectively reduced [2]. - The combination of various measures from the 1990s to 2005 enhanced China's innovation capabilities in nuclear energy, significantly increased production capacity from 2005 to 2010, and accelerated the adoption of advanced safety measures post-2011 [2]. Group 2: Global Nuclear Energy Expansion - The U.S. aims to double its nuclear power capacity by 2050, while China is constructing or planning over 30 reactors, and France has announced plans for 14 new reactors [1]. - Major technology companies like Amazon, Google, and Microsoft are investing in nuclear energy to power their data centers and reduce carbon emissions [1]. - The article emphasizes the need to balance affordability, safety, scalability, investor confidence, and public trust in the expansion of nuclear energy, or it may remain an expensive option globally [3].

Core Insights - The project "500MW level impulse turbine runner high toughness manufacturing technology and equipment" has achieved a significant milestone with the successful acceptance of the core topic led by China First Heavy Industries [1] - The developed full-size forged-welded structure runner components exhibit excellent and stable high-performance reserves, as well as ultra-high uniformity and consistency in organization, representing the current international top manufacturing level in this field [1] - The 500MW level forged-welded impulse turbine runner, known as the "heart" of the impulse turbine generator set, has extreme requirements for high strength and toughness due to its long service life and high reliability [1] Industry Impact - This achievement signifies that China has mastered the extreme manufacturing capability of full-size 500MW level impulse turbine runner forgings, providing solid core equipment support for major hydropower projects and energy security in the country [2] - The project team has innovatively constructed an integrated toughness manufacturing system that spans material composition optimization, precise forging shape control, efficient collaboration of processing resources, and fine-tuning of heat treatment processes [1] - The successful resolution of challenges in manufacturing ultra-large impulse turbine runners establishes the core capability for high-quality and stable production of full-size forgings, paving the way for future engineering applications [1]

目前，中国散裂中子源建安工程各项节点正按计划推进，后续将通过倒排工期、优化工序及资源投 入，全力保障"8月底背散射谱仪实验站完工、年底全面主体封顶"两大年度节点目标如期实现。 （原载于《科技日报》 2025-07-31 02版） 大科学装置的建安工程是保障装置性能的基石。中国散裂中子源二期建安工程是广东省和东莞市的 重点建设项目，将新建直线设备楼（二期）及直线低温厅、实验支撑设备楼、背散射谱仪实验站、放射 性固体废物暂存厅和高能质子实验厅等5栋建筑单体。工程于2024年7月开工，计划于2026年8月竣工， 建成后将有力推动粤港澳大湾区的原始创新能力，与其他大科学装置形成集群优势。 国家"十四五"规划重大科技基础设施——中国散裂中子源二期工程迎来新进展。7月29日，中国散 裂中子源二期工程项目首栋建筑单体——放射性固体废物暂存厅顺利提前完工，为后续精密设备安装、 系统联调等关键环节筑牢根基。 中国散裂中子源位于广东省东莞市，是被誉为"超级显微镜"的大科学装置。2018年8月23日，中国 散裂中子源通过国家验收。2024年1月9日，中国散裂中子源二期工程正式启动，主要建设11台中子谱仪 和实验终端，并新增国内首台 ...

Core Viewpoint - The article highlights the advancements and significance of the intelligent monitoring system developed by Dalian Baishengyuan Technology Co., Ltd. for high-speed trains, emphasizing its role in enhancing safety and operational efficiency in rail transport. Group 1: Company Overview - Dalian Baishengyuan Technology is the first company in China to research and develop intelligent onboard safety monitoring systems for high-speed trains [2] - The company has been a leader in the field of bearing vibration detection and has participated in drafting multiple national standards and safety regulations for railway monitoring and maintenance [2] Group 2: Product Features and Benefits - The intelligent monitoring system can monitor over 160 key points, including wheels, car bodies, tracks, and axle boxes, providing real-time health assessments of trains [1] - The system utilizes big data to analyze vibration frequencies, allowing for early fault detection and timely alerts, thus ensuring operational safety [1] - The implementation of this system has resulted in a 20% reduction in operational and maintenance costs, facilitating a shift from scheduled maintenance to condition-based maintenance [2] Group 3: Market Expansion and Growth - The company has experienced explosive revenue growth, with a compound annual growth rate of 140% from 2022 to 2024 [2] - Baishengyuan's products are not only used in high-speed trains but have also been adopted in urban metro systems, with installations in cities like Xi'an, Shenyang, and Dalian [2] - Recent collaborations include a project with CRRC Dalian Locomotive and Rolling Stock Co., Ltd. for the Guangzhou Metro, showcasing the company's expanding market presence [2] Group 4: Future Directions - The company is actively exploring applications beyond rail transport, including wind power, shipping, and aerospace, while enhancing its research and development efforts [3] - Future plans include deepening the value extraction from data assets and developing more intelligent ground operation systems to ensure safe travel [3]

Core Insights - The research presents a significant breakthrough in understanding quantum tunneling, specifically the newly observed phenomenon of "in-barrier collisions" of electrons, challenging traditional views that electrons only interact with atomic nuclei after tunneling [1][2] - This discovery has implications for the development of technologies reliant on quantum tunneling, such as semiconductors and quantum computers, providing new theoretical support for advancements in these fields [1][2] Group 1: Quantum Tunneling Phenomenon - The research team utilized strong laser pulses to induce quantum tunneling in electrons, leading to the unexpected finding that electrons collide with atomic nuclei within the barrier [2] - The phenomenon of "in-barrier collisions" indicates that electron interactions can occur inside the barrier, contrary to previous theories [2] - The study reveals that electrons gain energy during the tunneling process, resulting in a significantly enhanced "Freeman resonance" effect, which is independent of laser intensity variations [2] Group 2: Implications for Semiconductor Technology - This research challenges traditional theories and opens a new dimension for exploring particle behavior, potentially stimulating further research in the micro-world [3] - The findings are expected to greatly advance semiconductor technology, as precise control over electron behavior is crucial for device design [3] - The newly discovered "in-barrier collisions" and associated energy exchange mechanisms may provide new pathways for optimizing device performance and efficiency, particularly in the development of high-performance transistors and sensors [3]

Core Viewpoint - The World Health Organization (WHO) has raised alarms about a new outbreak of Chikungunya virus linked to the Indian Ocean region, which has spread to Europe and other continents, urging immediate action to prevent a repeat of the global epidemic from 20 years ago [1] Group 1: Current Situation and Historical Context - France has reported approximately 800 imported cases of Chikungunya since May 1, with 12 confirmed local transmission cases [1] - The most severe outbreak historically occurred in the French overseas department of Réunion from 2005 to 2006, infecting over 26.6 million people and resulting in 250 deaths [2] - France is considered a high-risk country for Chikungunya due to frequent exchanges with French-speaking African nations and the increasing frequency of imported cases every 3-5 years [2] Group 2: Response and Prevention Strategies - France has established a comprehensive response and prevention system for mosquito-borne diseases, integrating national and community-level strategies [3] - The "National Mosquito-Borne Disease Monitoring System" operates through five key stages: capture, identification, detection, early warning, and response [3] - The EID-Med program monitors the distribution and virus-carrying status of Aedes albopictus mosquitoes, providing real-time data to decision-makers [3] Group 3: Climate Change Impact - Climate change is enhancing the suitability of European climates for mosquito species, particularly Aedes albopictus, leading to an increased risk of virus transmission [5] - France's inland areas now possess the climatic conditions necessary for Chikungunya virus transmission, with local cases reported earlier than in previous years [6] - A comprehensive early warning system combining climate suitability models and northward transmission predictions is necessary to address the challenges posed by climate change [6] Group 4: Recommendations for Other Regions - The experience from France suggests that countries facing similar risks should enhance quarantine measures for incoming travelers and goods from endemic regions [6] - Continuous mosquito control activities and environmental health interventions are recommended to mitigate risks [6] - Establishing a monitoring system similar to France's could help in early detection and response to potential outbreaks [6]

Core Insights - The article highlights that despite the historical challenges of rising costs in the nuclear energy sector, China has successfully halved related costs over the past 20 years, providing valuable lessons for other countries [1][2] - The global focus on nuclear energy is increasing, with over 30 countries committing to triple their nuclear power capacity by mid-century, and major companies like Amazon, Google, and Microsoft investing in nuclear energy to power data centers and reduce carbon emissions [1][2] Cost Control Challenges - The nuclear industry has historically faced the "cost escalation curse," with construction costs per watt increasing rather than decreasing, impacting economic viability [1] - Factors contributing to rising costs include lack of standardized designs, increased material and labor costs, regulatory changes, and technical complexity [1] China's Strategic Measures - China's achievements in reducing nuclear energy costs are attributed to a stable regulatory environment, development of domestic supply chains, and standardized reactor designs [2] - From the 1990s to 2005, China enhanced its autonomous innovation capabilities in nuclear energy, significantly increased production capacity from 2005 to 2010, and accelerated the adoption of advanced safety measures post-2011 [2] - China's centralized regulatory system, long-term policy commitments, and rapid project execution allow for reactor construction in less than half the time compared to Western countries, offering important insights for policymakers seeking to revive nuclear energy [2] Conclusion - The article concludes that as countries compete to expand nuclear capacity, it is essential to balance affordability with safety, scalability, investor confidence, and public trust; otherwise, nuclear energy may remain an expensive option globally [2]

国家"十四五"规划重大科技基础设施——中国散裂中子源二期工程迎来新进展。7月29日，中国散裂中 子源二期工程项目首栋建筑单体——放射性固体废物暂存厅顺利提前完工，为后续精密设备安装、系统 联调等关键环节筑牢根基。 中国散裂中子源位于广东省东莞市，是被誉为"超级显微镜"的大科学装置。2018年8月23日，中国散裂 中子源通过国家验收。2024年1月9日，中国散裂中子源二期工程正式启动，主要建设11台中子谱仪和实 验终端，并新增国内首台缪子实验终端和高能质子实验终端。二期工程建成后，中国散裂中子源中子散 射应用的覆盖范围和能力将达到国际先进水平，设备装置研究能力将大幅提升，实验精度和效率显著提 高，将为探索科学前沿及解决国家重大需求和产业发展中的关键科学问题提供科技利器。 目前，中国散裂中子源建安工程各项节点正按计划推进，后续将通过倒排工期、优化工序及资源投入， 全力保障"8月底背散射谱仪实验站完工、年底全面主体封顶"两大年度节点目标如期实现。 （文章来源：科技日报） 大科学装置的建安工程是保障装置性能的基石。中国散裂中子源二期建安工程是广东省和东莞市的重点 建设项目，将新建直线设备楼（二期）及直线低温厅、实验支 ...

Core Viewpoint - West Lake University has incubated a company that developed China's first high-spectral imaging camera using single-exposure compressed spectral imaging technology, marking a significant advancement in intelligent imaging systems [1] Group 1: Technology and Innovation - The high-spectral imaging camera utilizes optical hardware and algorithms to achieve breakthroughs in intelligent imaging systems, forming a new generation of machine vision perception systems based on artificial intelligence [1] - This camera can split light into over 100 different spectral bands, covering the visible to near-infrared spectrum from 400 to 1000 nanometers, capturing 100 continuous spectral channel information in a single frame with a resolution of no less than 1024×1024 pixels [1] Group 2: Applications and Impact - The high-spectral imaging camera can identify early signs of pests and diseases on leaves, detect algal blooms, trace heavy metal pollution, and identify chemical substance dissolution [1] - It can quickly screen for crop diseases in fields and locate areas with toxin accumulation, serving as a replacement for traditional time-consuming sampling methods [1] - Currently, the camera is applied in smart agriculture, environmental monitoring, and power inspection, with ongoing expansion into industrial quality inspection and medical research [1]

"为了保障600米空域内飞行器正常通信，示范区采用5G-A通感一体技术，通过最新128T通感设备，新 增对空波束，提升空域覆盖能力。"岑曙炜介绍，在软件方面，通过算法优化，推动低空网络感知高度 升级，实现低空专网与大网普通用户的分层组网，确保实现600米空域的5G-A通信全覆盖。 正午时分，艳阳高照。在杭州未来科技城海创园写字楼里，工作人员打开手机某外卖App，进入无人机 送货专区，点了两杯炒酸奶。下单显示发货地距离7公里，10分钟可送达，配送费6元。 订单另一端位于未来科技城某餐饮商圈。外卖小哥来到迅蚁无人机巢，将打包好的冷饮放进送货无人机 的货箱后，无人机升空往西南方向飞去。浙江移动杭州分公司5G技术专家岑曙炜打开电脑，向科技日 报记者展示这架送货无人机的飞行轨迹。 6分钟后，无人机缓缓降落在海创园的机巢内，自动卸下货物放入快递柜中。工作人员用密码取出外 卖，炒酸奶很完整，一点儿也没有融化。据实地测算，这段送货路程开车需要20多分钟。 杭州迅蚁网络科技有限公司工作人员介绍，去年以来，多家快递公司开始在未来科技城运营无人机送快 递业务。目前已开通4条航线，运送量日益增长，平均每天运送近40单。 2024年， ...