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科技创新铺就网络强国建设“高速路”
Ke Ji Ri Bao· 2025-10-09 23:35
Core Technology Breakthroughs - The first fully domestically developed anti-resonant hollow-core fiber optic cable has been commercially launched in the Guangdong-Hong Kong-Macao Greater Bay Area, achieving a cross-border bidirectional delay of 1 millisecond and setting a global record for the lowest loss in commercial fiber optics [1] - China has made significant strides in next-generation optical communication core technologies, transitioning from laboratory prototypes to commercial products [2] - The country has established itself as a leader in 6G research and development, with the first 6G architecture verification satellite launched last year [6][7] Infrastructure Development - As of July 2023, China has built 4.598 million 5G base stations and 30.532 million gigabit ports, achieving comprehensive connectivity in rural areas [5] - The country has successfully implemented real-time quantum key distribution over thousands of kilometers, paving the way for practical satellite quantum communication networks [4] - The national computing power internet service platform has entered a new phase, enhancing resource sharing and interconnectivity [5] Economic Empowerment through Integration - The integration of 5G-A technology is enhancing industrial applications, with examples including automated mining operations and smart factories [9][10] - The application of new generation information technology is accelerating the digital transformation across various sectors, with 5G and gigabit optical networks now integrated into 86 categories of the national economy [10] - The industrial internet is developing systematically, with over 1 million devices connected to key platforms, contributing to a core industry scale exceeding 1.5 trillion yuan [10] Policy and Strategic Goals - The "14th Five-Year Plan" emphasizes the importance of digital infrastructure and the activation of data potential to support the construction of a network power [3] - The strategic deployment for building a network power is aligned with the "Two Centenary Goals," focusing on enhancing independent innovation capabilities and ensuring robust cybersecurity [4][6] - The government is committed to fostering digital technology integration with the real economy, promoting digital literacy, and enhancing public services through digital means [11][12]
根据细胞的“邻里结构”预测分子特性 AI模型助力绘制最精细小鼠脑图
Ke Ji Ri Bao· 2025-10-09 23:35
与以往主要依据细胞类型划分的大脑图谱不同,新成果聚焦于脑区结构本身。它完全依托数据生成,边 界由细胞和分子特征自动界定,而非依赖人工经验判断。凭借对1300个脑区及亚区的精细划分,这张图 谱成为迄今动物脑中最精确、最复杂的数据驱动型图谱之一。 研究表明,CellTransformer不仅能准确再现海马体等已知脑区,还能在中脑网状核等理解不足的区域中 发现新的、更细分的亚区。 在人工智能(AI)与神经科学的强强联合下,美国加州大学旧金山分校与艾伦研究所团队联合开发出 一种名为CellTransformer的AI模型,助力绘制出目前最精细的小鼠脑图,共包含1300个脑区及亚区。这 一成果以前所未有的精细度揭示了大脑结构,使科学家得以将功能、行为和疾病状态与更小、更具体的 细胞区域相对应,为探索大脑工作机制开辟了新方向。相关成果发表于新一期《自然·通讯》杂志。 新模型的核心在于其Transformer架构,这与ChatGPT等大模型所采用的技术原理相同。研究人员称, Transformer模型擅长理解上下文关系,以往它用于分析句子中词语之间的联系,而CellTransformer则用 来分析空间中相邻细胞之间的关系 ...
科学家开发出新型分子量子比特 可运行于现有电信技术频率
Ke Ji Ri Bao· 2025-10-09 23:33
此次新型分子量子比特的核心成分是稀土元素铒。由于其独特的物理特性,铒能够在保持光学跃迁"干 净"的同时,与磁场发生强烈相互作用,因此在经典光电子技术和新兴量子系统中均具有重要价值。新 设计的分子结构使得信息可被编码在其磁性自旋态中,并通过特定波长的光进行读取和操控——而这些 光的频率恰好与现有的硅基光子电路和光纤通信系统兼容。 来自美国芝加哥大学、加州大学伯克利分校、阿贡国家实验室以及劳伦斯伯克利国家实验室的科学家们 开发出一种新型分子量子比特,能够弥合光与磁之间的鸿沟,在与现有电信技术相同频率下运行。这项 突破性进展发表在新一期《科学》杂志上,为构建可扩展的量子技术提供了一种极具前景的新平台,且 有望与当前广泛使用的光纤网络实现无缝集成。 在量子技术中,光通常用于传输和测量量子态,而磁性相关的自旋则是量子计算、传感和存储的关键资 源。该研究巧妙结合了量子光学与合成化学两个领域:前者推动了激光与量子网络的发展,后者则在诸 如磁共振成像造影剂等应用中展现出强大能力,从而构建出能连接这两个领域的分子级功能单元。 研究同时证明,通过合成化学手段,可在分子尺度上精确设计和调控量子材料的行为。这为进一步开发 面向量子网 ...
展现广阔应用前景 “热门”方向终于不负众望
Ke Ji Ri Bao· 2025-10-09 08:40
过去20余年中,金属有机框架材料的研究一直是化学与材料科学中最活跃、成果最丰硕的方向之一,此 次获奖的科学家也曾获得被称为诺奖"风向标"的"引文桂冠奖"。"无论从科学突破的原创性,还是应用 前景的广阔性来看,他们获奖都是众望所归。从时间上看,虽略有延迟,但当前获奖仍然十分恰 当。"董旭峰表示,MOF的核心突破在20世纪末已完成,其学术影响力早已获得公认。近年来,MOF的 若干应用开始从实验室走向示范阶段,使大众及评委能更清晰地评估其潜在社会价值,MOF的实用化 路径已十分清晰、接近现实。 略有延迟但众望所归 北京化工大学教授王丹介绍,MOF是由无机金属中心(金属离子或金属簇)与桥连的有机配体通过自 组装相互连接形成的一类具有周期性网络结构的晶态多孔材料,高比表面积和孔体积为其带来了多种独 特功能,例如气体分子吸附与分离、储能与电化学催化、药物智能控释等,在能源、环境、化工与生物 医学等领域展现出广阔的应用前景。 对于2025年的诺贝尔化学奖,大连理工大学材料科学与工程学院副院长董旭峰认为,3位科学家获奖"时 间略晚但正合时宜"。 作为MOF概念的奠基者,理查德·罗布森经过十余年探索,首次从理论上验证了此类材料 ...
免疫研究再次获奖——彰显“阴阳调和”的精妙平衡
Ke Ji Ri Bao· 2025-10-09 08:40
Core Insights - The Nobel Prize in Physiology or Medicine this year highlights the dual nature of the immune system, showcasing both activation and suppression mechanisms [1] - The discovery of regulatory T cells (Tregs) is crucial for maintaining immune balance and preventing autoimmune diseases [2] - Insights into the mechanisms of immune-related diseases could lead to breakthroughs in treatments for autoimmune diseases and cancer therapies [3] Group 1: Immune System Mechanisms - T cells are traditionally viewed as aggressive defenders against pathogens, but their overactivity can lead to self-attack and autoimmune diseases [2] - The concept of "immune tolerance" is essential, where overactive T cells need to be suppressed to maintain a balanced immune response [2] - Regulatory T cells serve as a "brake" on the immune system, preventing excessive reactions against the body's own tissues [2] Group 2: Implications for Disease Treatment - The discoveries related to regulatory T cells provide insights into the pathogenesis of autoimmune diseases like rheumatoid arthritis and lupus [3] - Targeting regulatory T cells in cancer therapy could enhance the effectiveness of treatments by removing their suppressive effects on anti-tumor T cells [3] - Research is ongoing in China to develop innovative therapies based on these findings, with promising results from studies on maintaining Treg function in inflammatory environments [4]
远海追风添“利器”——全球首台十六兆瓦漂浮式风电机组完成一体化组装
Ke Ji Ri Bao· 2025-10-09 08:40
Core Insights - The "Three Gorges Pioneer" is the world's first 16 MW floating wind turbine, marking a significant advancement in China's offshore wind power sector [1] - The project aims to harness wind energy in deep waters, where traditional fixed foundations are inadequate due to extreme environmental conditions [2] - The development of the "Three Gorges Pioneer" demonstrates a successful model of national research, technological breakthroughs, and cost reduction in the offshore wind industry [3] Group 1: Project Overview - The "Three Gorges Pioneer" has an annual power generation capacity of approximately 44.65 million kWh and is designed to withstand typhoons of up to level 17 [1] - The project involves a semi-submersible platform that allows for dynamic balance in extreme conditions, with a focus on integrated design [2] - The project has undergone multiple iterations and simulations to optimize its design, resulting in a nearly 50% reduction in steel usage per MW and a 3% increase in annual power generation [2] Group 2: Industry Challenges and Innovations - The offshore wind energy resources in China's South China Sea are significantly greater than in nearshore areas, with wind energy reserves in 50-meter deep waters being 2 to 3 times that of nearshore [3] - The project faced challenges such as tight construction windows, cost control pressures, and difficulties in typhoon defense [3] - The successful implementation of the "Three Gorges Pioneer" has established industry standards in floating wind power, paving the way for commercial development in this sector [3]
“提前”到来的认可 对量子力学奠基性工作的肯定
Ke Ji Ri Bao· 2025-10-09 08:40
Core Insights - The Nobel Prize in Physics awarded to researchers in quantum mechanics is seen as an early but significant recognition of foundational work in the field, particularly in superconducting quantum computing [1] - The discoveries made by the awarded scientists have opened critical pathways for the practical application of quantum technology, challenging previous notions that quantum behavior only exists at the microscopic level [1][2] Group 1: Contributions of Awarded Scientists - John Clarke and Michel Devoret have made significant contributions to superconducting electronics, particularly in the development and application of superconducting quantum interference devices [2] - John Martinis, a key figure in Google's achievement of quantum supremacy, has advanced superconducting quantum computing from laboratory principles to chip-level engineering [2] Group 2: China's Position in Quantum Technology - China is recognized as a leader in the field of quantum technology, with institutions like the Chinese Academy of Sciences and several universities continuously breaking world records in superconducting quantum computing [3] - Chinese researchers are focusing on scaling and engineering breakthroughs in quantum computing, transitioning from experimental validation to practical applications involving dozens to hundreds of qubits [3]
从水生昆虫身上获得灵感,特种薄膜让机器人“水上漂”
Ke Ji Ri Bao· 2025-10-09 08:40
这些特殊薄膜采用双层复合结构,当受到外部红外线照射时,因两层材料热膨胀率差异会产生弯曲形 变,从而将热能转化为驱动力。 这一技术不仅规避了柔性材料制造中棘手的转移破损难题,更打通了从薄膜制备到结构成型的全流程, 为在液态环境中直接构建功能型柔性器件开辟了新途径。而且,这项突破性技术兼具广泛适用性与可扩 展性:既能适配多种油墨与液体组合,又具备大规模生产潜力。最终,科学家将脆弱的薄膜材料转化为 坚固实用的水上设备,广泛应用于水质监测、灾害救援、环境感知等领域。 团队强调,此项创新技术的应用前景远超机器人范畴。它还可用于制造可穿戴医疗设备所需的超薄弹性 薄膜,甚至为下一代电子产品研制高耐久性柔性元件。(记者刘霞) 美国弗吉尼亚大学工程与应用科学学院研究团队从自然界水黾等水生昆虫身上获得灵感,利用新型薄 膜,研制出两款能在"水上漂"的机器人原型装置。研究成果发表于新一期《科学进展》杂志。 新研制的两款装置各具特色:一款名为"HydroFlexor",能通过模拟鱼类的鳍状运动实现推进;另一款 名为"HydroBuckler",可仿效水黾的划行动作,以独特的弯曲姿态在水面"漫步"。 要让机器人实现水面漂浮与运动,必须配 ...
加入机器人舞群,体验VR考古,拥抱科幻IP……国庆假期,科技游解锁新玩法
Ke Ji Ri Bao· 2025-10-09 08:40
Core Insights - The surge in technology tourism during the recent National Day and Mid-Autumn Festival holidays highlights a growing interest in interactive science experiences among families [1][4] - Major increases in visitor numbers and ticket sales at various science museums across China indicate a significant trend towards technology-based leisure activities [2][4] Visitor Trends - Science museums such as the Sichuan Science Museum and the China Science and Technology Museum reported visitor increases of approximately 269% and nearly 30,000 daily visitors, respectively [1][2] - The China Song Qingling Youth Science and Culture Exchange Center saw a 319% increase in orders during the holiday period [1] Event Highlights - Various innovative activities were organized across different cities, including robot performances in Shanghai and hands-on experiences with robotic arms in Nanjing [2] - The Fujian Science Museum hosted a night event that attracted over 1.2 million participants on its first day, showcasing the popularity of interactive technology experiences [2] Economic Impact - The technology tourism trend is contributing to urban economic growth, with ticket sales and consumer spending at science museums experiencing significant increases, such as over 600% in ticket sales and revenue in Xi'an [4] - The Shenzhen Science Museum welcomed its 2 millionth visitor within five months of opening, indicating its status as a major attraction in the Greater Bay Area [4] Policy Support - Government initiatives are promoting the development of technology tourism, with plans to support the construction of technology and cultural tourism demonstration projects [5] - The integration of culture, technology, and tourism is seen as a new driver for economic growth, with a focus on enhancing consumer experiences and expanding the reach of scientific knowledge [5]
中国科技馆VR体验空间启动运营
Ke Ji Ri Bao· 2025-10-09 08:40
VR沉浸体验空间《时空迷局·恐龙危机》中,观众将化身时空管理局的特工,深入危机四伏的史前世 界,在被生化改造的恐龙包围中执行艰巨任务。17分钟的紧张旅程,结合逼真的场景与互动叙事,带来 心跳加速的冒险体验。 同期,VR动感飞椅体验也将为观众提供另一种风格的沉浸乐趣。座椅随场景同步起伏摆动,精准适配 剧情动作,让观众身体全程"参与"冒险。国庆期间将推出三部精彩短片:《月球工厂》讲述了2040年人 类在月球建立工厂,迈向一级文明的关键征程。《小行星带上的人们》让观众跟随回收者在小行星带中 寻找珍贵铂金矿石,体验宇宙探险家的日常。《航向·异星》让观众化身太空战士,远征被外星生物占 据的神秘星球,展开一场从外太空到地表的激烈空战。(记者赵卫华) 自10月1日起,中国科技馆VR体验空间正式面向公众售票运营。此次VR体验空间项目是中国科技馆积 极响应国家关于推动虚拟现实与行业应用融合、发展智能化情景交互学习模式等政策号召的具体实践。 观众可步入这个奇幻的科技世界,亲身体验两大空间:MR沉浸式艺术体验《达芬奇·时空之轮》和VR 沉浸式体验空间《时空迷局·恐龙危机》。其中,《达芬奇·时空之轮》作为全国首秀项目,利用先进的 M ...