Core Viewpoint - ASML's CEO acknowledges that China has developed domestic lithography equipment, indicating that while there is still a long way to go to catch up with ASML's technology, U.S. measures to suppress China may lead to increased efforts from China to succeed [1] Group 1: Chinese Technological Advancements - The Chinese Academy of Sciences has successfully developed a breakthrough solid-state DUV laser capable of emitting coherent light at 193nm, aligning with the mainstream DUV exposure wavelength, which can advance semiconductor processes to 3nm [1][2] - The developed technology achieves an average laser power of 70mW, a frequency of 6kHz, a linewidth of less than 880MHz, and a full width at half maximum (FWHM) of less than 0.11pm, with spectral purity comparable to existing commercial excimer laser systems [1] Group 2: Comparison with ASML Technology - The solid-state DUV light source technology has been published on the International Society for Optics and Photonics (SPIE) website, showing that while spectral purity is nearly on par with commercial standards, output power and frequency are still significantly lower [4] - Compared to ASML's technology, the frequency achieved is about 2/3, but the output power is only at 0.7% level, indicating that further iterations and improvements are necessary for practical application [4]

Core Insights - The Chinese Academy of Sciences held a strategic seminar on the development of life sciences and biotechnology, focusing on key drug research and major disease prevention technologies [1] - The seminar emphasized the importance of high-level research supported by major scientific infrastructure and the autonomous development of key equipment and materials [1] - The goal is to address major issues in frontier basic science, overcome critical core technology challenges, and achieve high-level self-reliance and strength by 2035 [1] Group 1 - The seminar was attended by key figures including the President and Vice Presidents of the Chinese Academy of Sciences, highlighting the significance of the event [1] - Discussions included advancing important tasks in the field, deepening reforms in research institutes, and constructing key laboratories [1] - The focus areas identified include ensuring food security, promoting high-quality agricultural development, and integrating artificial intelligence with interdisciplinary research [1]

Group 1 - The core viewpoint of the articles emphasizes the implementation of the Central Eight Regulations by the Chinese Academy of Sciences (CAS) to enhance the quality of learning and promote effective technological innovation [1][2] - CAS has organized over 100 study sessions for its affiliated units to ensure comprehensive and practical learning of the Central Eight Regulations and their implementation details [1] - The academy has established a problem-solving approach by identifying urgent issues faced by employees and addressing shortcomings in core tasks related to technological advancement [1] Group 2 - CAS has strengthened training for newly appointed, young, and key position cadres, including organizing workshops and seminars for party organization leaders and discipline inspection secretaries [2] - The leadership has been encouraged to take the lead in identifying weaknesses and proposing corrective measures to improve work style and discipline [2]

Core Viewpoint - The international seminar on "Sustainable Development and Open Cooperation: Responsibilities of the Scientific Community" highlighted the pressing global challenges such as climate change, environmental pollution, resource scarcity, and food security, emphasizing the need for collaborative efforts in scientific research to address these issues [1][2]. Group 1 - The seminar was attended by over 60 representatives from 14 countries and regions, including leaders from academies of sciences and international scientific organizations [1]. - The Chinese Academy of Sciences (CAS) has been enhancing its research in ecological environment, life health, and energy technology to support sustainable development [1]. - CAS aims to deepen international cooperation in key areas, strengthen talent exchange, and promote open sharing of sustainable development data [1]. Group 2 - Presentations at the seminar covered topics such as big data, climate change, sustainable agriculture, open science, and life health [2]. - Participants agreed that achieving the United Nations' 2030 Sustainable Development Goals involves both challenges and opportunities, calling for a united effort from the global scientific community [2].

作为中国科学院的重要组成部分、国家在科学技术方面的最高咨询机构、国家重要的科学思想库，中国 科技发展的里程碑事件都与学部密不可分—— 编制首个国家科技规划。1955年6月，学部成立大会上，时任院长郭沫若在工作报告中就发展我国科技 事业提出了5项重要建议，其中第一项就是建议"研究并制定我国科学发展的远景计划"。不久，在国务 院科学规划委员会的领导下，中国科学院各学部组织全国有关科学家，编制了《1956—1967年科学技术 发展远景规划》。 组织制定"863计划"。1986年3月，王大珩、王淦昌、陈芳允、杨嘉墀4位学部委员，向中央呈送《关于 跟踪研究外国战略性高技术发展的建议》。随后，"863计划"诞生，揭开了我国有计划地发展高技术研 究的序幕。 钱学森、钱三强、于敏、周光召……这些载入中国史册的科学家，有一个共同的身份——中国科学院院 士（1993年10月前称"学部委员"），也有一个共同的"家园"——中国科学院学部。 …… 1955年6月1日，北京，中国科学院学部这个承载着共和国科技梦想的学术殿堂宣告成立。70年来，学部 全体院士胸怀祖国、矢志创新、建言献策，为我国科技事业发展作出了不可磨灭的贡献。 作为学术领 ...

Group 1 - The event showcased over 30 scientific experiments covering various disciplines such as photochemistry, bionic materials, low-temperature physics, and laser technology [1] - The theme of the event was "Inquire with Science, Ignite a New Future," highlighting its role as a significant platform for public engagement with science [3] - The event has been held annually since 2005, evolving into a nationwide brand for science popularization with high participation and social impact [3] Group 2 - Interactive activities included a 3D visualization project for protein structures and a treasure hunt game for children to learn science [2] - Public engagement was enhanced through hands-on experiences, such as assembling batteries and understanding targeted drug models [2] - Prominent scientists, including academicians, participated in lectures and discussions, sharing cutting-edge research and inspiring youth to pursue scientific careers [2][3]

Core Viewpoint - The 21st Public Science Day organized by the Chinese Academy of Sciences aims to engage the public with science through various activities, showcasing scientific achievements and inspiring interest in scientific careers. Group 1: Event Overview - The event features over 400 science popularization activities organized by more than 100 research institutes and three affiliated universities of the Chinese Academy of Sciences, with an expected attendance of nearly 500,000 visitors [10]. - This initiative has been held annually since 2005, taking place on a weekend in May [10]. Group 2: Interactive Experiences - The event includes interactive science experiences such as superconducting magnetic levitation experiments and chemical reaction shows, designed to present complex scientific principles in an accessible manner [7]. - Over 20 academicians from the Chinese Academy of Sciences are conducting popular science lectures, online Q&A sessions, and interactive discussions on trending scientific topics [5]. Group 3: AI and Biomedical Applications - This year's Public Science Day has introduced special activities focused on artificial intelligence, including a trial opening of the AI Biomedical Engineering Science Museum in Suzhou, where the public can experience AI applications in medical imaging, surgical planning, and non-invasive brain-machine interfaces [8]. Group 4: Historical Context - The "Mystery Explosion Hole" at the Institute of Mechanics allows visitors to explore historical experimental setups from the 1970s, highlighting the development of explosion mechanics in China and the dedication of earlier scientists [3].

Group 1 - The 21st Public Science Day organized by the Chinese Academy of Sciences will take place from May 17 to 18, featuring the theme "Inquiring Science to Inspire Future Journeys" [1] - Nearly 400 science popularization activities will be organized by 135 affiliated units of the Chinese Academy of Sciences, with over 20 academicians conducting lectures and interactive sessions on popular scientific topics [1][9] - The event aims to inspire young people to engage in scientific careers and includes discussions on innovative practices in science education with representatives from schools and scientists [1] Group 2 - Approximately 400 research facilities will be opened to the public, allowing visitors to experience frontline scientific research, including major national research instruments and key laboratories [4] - Interactive science experiences will be available, enabling the audience to directly engage with scientific principles through experiments demonstrating physical concepts [5] Group 3 - This year's Public Science Day will feature special activities focused on artificial intelligence, showcasing its clinical applications in areas such as medical data management and non-invasive brain-machine interfaces [9] - The event has been held annually since 2005, and this year is expected to attract nearly 500,000 visitors based on registration data [9]

远距离逆行轨道（DRO）是地月空间中一类十分独特的有界周期轨道族，顺行绕地、逆行绕月。其中 位于相对地月的势能高位轨道族，是连接地球、月球和深空的交通枢纽，具有低能进入、稳定停泊、低 能全域可达等独特属性，是地月空间的天然太空港。 就如通过航海发现新大陆、利用空气动力实现洲际飞行、利用火箭进入太空一样，地月空间DRO有望 成为空间科学探索的新疆域、部署空间应用基础设施的新高地、支持载人深空探索的新起点，因此已经 受到各航天大国的高度关注。对此，中国科学家同样在密切关注、积极探索并迎难而上。 2017年，中国科学院空间应用中心科研团队通过多年应用基础理论研究，率先阐明了地月空间DRO的 独特属性和战略价值，取得了一系列重要理论突破，刻画了DRO的动力学相空间结构，定量揭示了其 低能入轨特性，并启动了预先研究和关键技术攻关； 来源：光明网 "一场惊心动魄的太空救援，一次深空探索新的突破！" 4月15日，记者从在北京举办的"地月空间DRO 探索研究学术研讨会"上获悉，我国已成功构建国际首个基于DRO的地月空间三星星座，并取得多项原 创性重要成果，为我国开发利用地月空间，引领空间科学前沿探索奠定了坚实的科技基础。 地 ...

我国首个业务化运行的激光通信地面站、空天飞行高温气动综合试验测试平台、国产紧凑型质子治疗装 备…… 3月28日，中关村论坛平行论坛——国家重大科技基础设施开放共享论坛暨怀柔综合性国家科学中心重 大成果发布会在北京雁栖湖召开。北京市发改委发布的数据显示，怀柔科学中心已向全球开放机时累计 超123万小时。论坛上，中国科学院、北京大学等集中发布了8项重大突破性成果。 "科学+城"功能日益完善 论坛上，北京市发展改革委党组副书记、副主任林剑华介绍了怀柔科学中心最新建设运行进展情况。他 表示，怀柔科学中心已布局37个科技设施，2024年新增进入科研状态的设施平台13个、累计达29个，新 增向全球开放机时43万小时、累计超123万小时。 在怀柔科学中心，"十四五"时期布局科技设施项目全部实现开工建设，成为全国重大科技基础设施密度 最高的地区之一。2024年，新增科研人员2500余名、累计达2.5万人；新增科技成果54项、累计达329 项；新增德勤书院、清华工研院雁栖湖创新中心、国科大创新创业示范基地等多种类型服务平台，累计 服务成果转化项目131个；新引进中国技术交易所等科技服务机构，加快建设有色金属新材料、工业母 机等 ...