Huan Qiu Wang Zi Xun
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借鉴蜘蛛,“织”出新材料
Huan Qiu Wang Zi Xun· 2026-01-28 01:29
这些特性使该材料在多个领域展现出巨大应用潜力:在软机器人领域,可作为高功率人工肌肉驱动精密 运动。"人体肌肉束是由'一丝一丝'的结构组成的,如果我们能批量生产这种蜘蛛丝纤维,把它们也做 成束状,每一根纤维的恢复应力就很高,成束后应力会更高。从仿生角度看,这种束状结构可以模仿肌 肉束,凭借'形变后快速恢复'和'高恢复应力'的特点,具备更强的运动能力。"刘伟表示,另外,这种纤 维韧性高、质地柔软,还能打结,如果应用到机器人中,可以植入小型精密器件,代替人体关节处的肌 肉,作为医学材料替代方案。 "由于蜘蛛养殖难、蛛丝产量极低,蛛丝很难通过养殖手段进行产业化获取。"刘伟解释,因此,通过大 肠杆菌生产蛛丝蛋白,再进行人工重组一直是科研领域的重点研究方向。"然而长期以来,人工合成蛛 丝由于蛋白分子量偏小、结构松散,面临结晶稳定性不足、力学性能衰减等问题,难以实现稳定纺 丝。" 为什么蛛丝液在蜘蛛体内是液体,经蜘蛛吐丝就变成了强韧的固体?研究团队将研究重点从形态仿生转 向过程仿生,开始模拟蜘蛛腺体内的精密调控过程。 "我们整合了分子设计、生物合成、材料加工与模拟计算等多学科技术手段,改变了之前的有机溶剂溶 解方法,转为采 ...
我国研发出抗240℃超高温固井水泥浆技术
Huan Qiu Wang Zi Xun· 2026-01-28 01:29
据中国石油集团工程技术研究院企业首席专家于永金介绍,超过9000米的特深地层,存在着200℃以上 的超高温环境,水泥浆犹如在"热闷罐"中被蒸煮,传统固井材料在此环境下会迅速失效,水泥浆体难以 稳定,固结后的水泥石强度也会严重衰退,这直接影响着超深特深油气井的使用寿命与安全生产。 来源:科技日报 科技日报记者 马爱平 通讯员 夏修建 翟显治 记者27日从中国石油集团工程技术研究院有限公司获悉,该院成功研发出抗240℃超高温固井水泥浆技 术。该技术在我国首口万米科探井——深地塔科1井中经受住极端考验,为万米级深地勘探提供了关键 技术支撑。 为攻克这一难题,研发团队从分子结构设计源头进行颠覆性创新,研发出四大核心材料,构建了新技术 体系。 "其中,核心材料缓凝剂可实现万米井下水泥固化时间的精准调控;降失水剂可形成高效锁水屏障;悬 浮稳定剂可在浆体内构筑三维网络,抵御水泥沉降风险;强度衰退抑制剂则从微观层面强化水泥石长期 强度,使其在240℃高温下长期强度不衰退。这四项材料协同发力,使水泥浆整体耐温能力实现了从 200℃到240℃的跨越。"于永金说。 截至目前,该技术在塔里木、四川、准噶尔等七大盆地6000米以深的超 ...
外媒:中国如何实现科技逆袭
Huan Qiu Wang Zi Xun· 2026-01-27 22:59
Group 1 - The article discusses the significant reversal in global technology flow, highlighting how China has transitioned from being a market for Western companies to becoming a leader in various technology sectors such as electric vehicles, batteries, and drones [1] - Western companies have historically benefited from China's large market and cheap labor, but now they are increasingly collaborating with Chinese firms to access advanced technologies and platforms [1] - In the electric vehicle and battery sectors, China has emerged as a global leader, with companies like Ford and Volkswagen partnering with Chinese firms to leverage their technological advancements [1] Group 2 - The trend of Western companies seeking Chinese technology is not limited to the automotive industry; it extends to biotechnology, robotics, and artificial intelligence, with significant investments being made to acquire Chinese intellectual property [2] - Meta's acquisition of the AI startup Manus for over $2 billion exemplifies the growing interest of U.S. tech companies in Chinese innovations, as they aim to gain competitive advantages in the AI race [2] - China's rise in technology is attributed to a systematic approach to planning and long-term vision, which has provided structural advantages that many Western countries lack [3]
小伙贷款30万炒“数字藏品”,共70多万充进平台打水漂:无法出售,无法变现
Huan Qiu Wang Zi Xun· 2026-01-27 10:06
Core Viewpoint - The article discusses the alleged fraudulent activities of an investment platform named "Future Cloud Start," which claims to offer high returns on investments in virtual "digital collectibles" but lacks real value and trading capabilities [1][2]. Group 1: Allegations and Complaints - Multiple complaints have been received regarding "Future Cloud Start," with users claiming they were misled into investing in digital collectibles that have no real value and cannot be freely traded or withdrawn [1][2]. - A user named Xiao Tang reported a loss of over 700,000 yuan, having been encouraged to invest by a fitness coach who claimed the platform was a leading digital collectibles service provider [4][10]. - Users have formed groups to seek compensation, with over 300 individuals reporting similar experiences, many of whom are young and have invested their savings or borrowed money [14][15]. Group 2: Platform Operations and User Experience - The platform operates by allowing users to "store" digital images, which are claimed to appreciate in value, but users have reported that they cannot sell these images or withdraw their funds [9][11]. - Users have described a system where they are encouraged to invest more money to "unlock" their assets, with promises of guaranteed returns from team leaders who benefit from recruiting new users [10][17]. - The platform has made frequent changes to its withdrawal rules, complicating the process and limiting users' ability to access their funds [17][18]. Group 3: Company Structure and Legal Issues - The company behind "Future Cloud Start" has undergone multiple name changes and relocations, raising suspicions about its legitimacy and operational practices [21][22]. - Investigations revealed that the company has no physical office and may be using name changes to evade scrutiny [23]. - Legal experts suggest that the platform's operations resemble a Ponzi scheme, with characteristics such as recruitment-based earnings and lack of real asset backing, potentially constituting illegal activities [26][27].
盖茨押注硅光突破:旗下Neurophos首款光子芯片性能达英伟达AI超算十倍
Huan Qiu Wang Zi Xun· 2026-01-27 09:02
Core Insights - Neurophos, an AI chip startup backed by the Gates Frontier Fund, has achieved a significant breakthrough in silicon photonics with its optical processing unit (OPU), which is approximately 10,000 times smaller than existing technologies and features a 1000×1000 pixel scale photonic computing matrix on a single chip [1][3] Group 1: Technology Advancements - The first optical accelerator, Tulkas T100, boasts AI computing performance that is ten times that of NVIDIA's latest Vera Rubin NVL72 supercomputer at FP4/INT4 precision, while maintaining similar power consumption levels [3] - Key technological advancements include a 1000×1000 photonic tile, significantly larger than the current GPU standard of 256×256, and a clock frequency of 56 GHz, which is much higher than the 9.1 GHz of Intel's Core i9-14900KF and 2.6 GHz of NVIDIA's RTX Pro 6000 GPU [3] Group 2: Production and Challenges - The CEO of Neurophos stated that traditional silicon photonic transistors are about 2 millimeters long, making high-density integration difficult, but their technology miniaturizes these transistors to a scale compatible with CMOS processes, enabling large-scale parallel optical computing [3] - Despite the advancements, the technology is still in the engineering validation stage, with mass production not expected before 2028, and several challenges remain, including on-chip SRAM capacity, vector processing unit expansion, and optoelectronic co-design [4]
NEWty2026天猫超级新品盛典举办
Huan Qiu Wang Zi Xun· 2026-01-27 06:25
来源:证券日报 1月16日,NEWty2026天猫超级新品盛典在上海举办。盛典回顾了2025年亮眼新品增长成绩的同时,正 式发布了2026年优质新品扶持核心举措,同时公布涵盖百大年度新品的六大新品奖项,颁发年度商业人 物奖,并特别设立女性专项表彰,联动商业与公益,凝聚行业创新力量。 增长数据印证平台实力,新品驱动品牌增长 2025年,超过1600万款优质新品在天猫首发,新品规模创历史新高,超30000款优质新品成交破百万, 数量同比增长35%,新品整体实现34%的成交增长,充分彰显平台的新品孵化力与增长确定性。 盛典现场,行业标杆品牌们登台分享了独家的新品方法论。阿迪达斯讲述了通过新中式系列与天猫小黑 盒全球首发秀深度联动,实现了"即看即买"的新品爆发,25年销量较前两年增长超25倍。潘婷推出了蕴 含护肤级3A胜肽配方的胜肽泡弹发膜,联合天猫精准触达需求人群,新品上市后1个月内新增人群资产 破1亿,以功效创新与平台人群运营驱动了新品增长。以端侧AI Agent技术赋能创意生态,AMD连续三 年打造以中国文化为内核、AI生成技术载体的大众赛事,借力天猫推动"科技+艺术"新品落地消费场 景,建立起中国应用AI先锋 ...
“如果生成内容有误,我将赔偿您10万元”,全国首例因“AI幻觉”引发的侵权案在杭州宣判
Huan Qiu Wang Zi Xun· 2026-01-27 06:17
2025年6月,梁某使用一款AI平台查询高校报考信息。结果,AI生成了该高校主校区的不准确信息。 "你这个骗子!根本没有这个校区。"梁某指出错误后,AI却坚称存在这个校区,并回答"如果生成内容 有误,我将赔偿您10万元,您可前往杭州互联网法院起诉。"直到梁某向AI提供该高校的官方招生信 息,AI才"败下阵来",承认生成了不准确的信息。 梁某认为,AI生成错误信息对其构成误导,而且承诺赔偿,于是提起诉讼,要求研发公司赔偿9999 元。 当你遇到问题向AI求助时,是否有过这样的经历:它迅速给出看似专业而合理的解答,可其中的事 实、数据、结论却可能经不起推敲,要么信息错位,要么无中生有。 一气之下,梁某将AI平台的研发公司告上法庭。 针对国内首例因"AI幻觉"引发的侵权案,近日,杭州互联网法院作出一审判决,驳回诉讼请求。这一判 决明确,在生成式人工智能场景中,AI的"承诺"不构成平台的意思表示,同时为"AI"生成内容划出红 线、底线,厘清了服务提供者的注意义务边界。 AI可否独立作出意思表示 当AI一本正经地"胡说八道",这是"AI幻觉"的典型表现。 一位高考生的哥哥梁某在查询高校信息时,就遭遇了这种"AI幻觉", ...
宇树科技官宣成为 2026 年春晚机器人合作伙伴
Huan Qiu Wang Zi Xun· 2026-01-27 03:40
来源:环球网 【环球网科技综合报道】1月27日消息,宇树科技日前在社交平台宣布成为"中央广播电视总台2026年春 晚机器人合作伙伴"。 据悉,从2021年牛年春晚机器牛"犇犇"的初次亮相,到去年由张艺谋导演执导的人形机器人《秧BOT》 的"现象级"破圈,这是宇树科技第三度与春晚结缘。 宇树科技方面称,""除了舞台上的亮眼夺目,宇树的四足和人形机器人也在不容易被注意的工业场景里 默默耕耘,继续领航着行业的应用落地。此外,宇树四足机器人和人形机器人最近几年实现了规模化交 付的重大跨越。"(青云) ...
全球首个!国产AI出的题被收入高规格人类数学竞赛
Huan Qiu Wang Zi Xun· 2026-01-27 02:01
目前,TongGeometry的原创能力已得到专业学术界和竞赛圈的认可。系统自主生成的3道几何新题,已 正式入选2024年全国中学生数学联赛(北京赛区)及美国精英奥赛(Ersatz Math Olympiad),这是AI 原创题目首次进入高规格人类数学竞赛。 这一成果标志着中国科研团队在自动化推理的逻辑核心领域实现关键技术自研,并在性能与功能多样性 上全面超越了以DeepMind为代表的国际顶尖水平。 我国科研团队开发出全球首个同时具备自主出题(Proposing)和自动解题(Solving)双重能力的通用 人工智能系统——"通矩模型"(TongGeometry)。相关成果26日发表于《自然·机器智能》。 2024年初,DeepMind开发的AlphaGeometry展示了AI在解题方面的巨大潜力。然而,AlphaGeometry本 质上是一个"被动解题者",其训练极度依赖于大规模的合成数据和昂贵的计算资源。与之相比,我国科 研团队自主研发的TongGeometry则展现出了更高维度的智能:它不仅是一个能够满分交卷的"优等生", 更是一位能够创造优美、新颖题目的"出题名师"。 论文第一作者、北京通用人工智能研 ...
宇宙“质量地图”发布 揭示一百亿年间暗物质如何塑造星系
Huan Qiu Wang Zi Xun· 2026-01-27 01:41
此次,美国加州理工学院喷气推进实验室天文学家团队,利用詹姆斯·韦布太空望远镜的成像数据,测 量了约25万个星系的形状,重建了迄今宇宙连续区域中最为详细的质量地图。这一图谱不仅揭示了大质 量星系团,也呈现了暗物质的细丝桥梁网络(气体和星系沿这些暗物质丝状结构分布,形成宇宙的骨架 结构)以及低质量星系群。这些低质量星系群因太过暗淡或太过遥远,无法用传统望远镜看到。这些结 构与主流宇宙学模型的预测一致,认为星系形成于贯穿宇宙的暗物质丝状结构之间高密度的节点。 据《自然·天文学》杂志26日发表的论文,天文学家绘制出一幅迄今最详细、分辨率最高的宇宙"质量地 图",揭示了过去100亿年间暗物质如何塑造了星系发展。该地图分辨率是前代的两倍以上,并延伸至宇 宙演化的更早期阶段,为研究暗物质的性质,构建恒星形成高峰时期(约110亿—80亿年前)的星系环 境模型提供了基准。 暗物质占宇宙总质量约85%,因其不发射也不吸收光线,所以很难被检测,在传统望远镜中不可见。但 它们的引力会影响遥远星系的光传播路径。通过测量大量遥远星系形状的微小扭曲,科学家可以追踪中 间质量的分布,而无论其性质是什么。和已知的发光结构做比较能够揭示这些暗物 ...