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物理学家们开启了一种弯曲光线的新方法,使超级透镜和隐形技术更接近现实
热度 2 诸平 2025-2-13 09:09
物理学家们开启了一种弯曲光线的新方法,使超级透镜和隐形技术更接近现实 诸平 Scientists have long sought to control light in ways that appear to defy the laws of Nature Credit: Lancaster University 据英国兰卡斯特大学( Lancaster University , Lancaster, LA1 4YB, UK ) 2025 ...
个人分类: 新科技|7774 次阅读|4 个评论 热度 2
不膨胀的金属
诸平 2025-2-4 19:38
不膨胀的金属 诸平 Metal usually expands when heated Metal usually expands when heated https://www.myscience.org/en/news/2025/the_metal_that_does_not_expand-2025-tuwien https://www.tuwien.at/en/tu-wien/news/news-articles/news/das-metall-das-sich-nicht-ausdehnt 热胀 ...
个人分类: 新观察|3601 次阅读|没有评论
制冷70年未变,这一突破正在改变一切
热度 2 诸平 2025-2-3 17:01
制冷70年未变,这一突破正在改变一切 诸平 A breakthrough in thermogalvanic refrigeration could make cooling cheaper and greener by optimizing electrochemical reactions, boosting efficiency, and expanding its practical use. (Prototype thermogalvanic refrigerator.) Credit: Yilin Zeng ...
个人分类: 新科技|9784 次阅读|7 个评论 热度 2
挑战生物学:中国科学家用双父改造老鼠
热度 1 诸平 2025-2-1 19:20
挑战生物学:中国科学家用双父改造老鼠 诸平 Fig. 1 Scientists successfully created a bi-paternal mouse—born from two male parents—by modifying imprinting genes, overcoming key reproductive barriers in mammals. Though some mice lived to adulthood, they had developmental defect ...
个人分类: 新科技|10359 次阅读|3 个评论 热度 1
用单原子自旋电流革新电子学
热度 2 诸平 2025-1-13 20:04
用单原子自旋电流革新电子学 诸平 When circular polarized light is irradiated onto a thallium lead alloy, the majority “up spins” of electrons flow in the right direction (spin-polarized current). Credit: Taniuchi et al 2025 据日本东京大学理学院( School of Science, The Univer ...
个人分类: 新科技|7590 次阅读|2 个评论 热度 2
科学家如何利用原子精度来强化化学反应
诸平 2025-1-11 19:44
科学家如何利用原子精度来强化化学反应 诸平 Fig. 1 A research group led by Prof. Wenjie Shen and Prof. Yong Li from the Dalian Institute of Chemical Physics of the Chinese Academy of Sciences has achieved atomic precision in tuning bimetallic catalyst active sites. By forming Pt-Fe-Pt ...
个人分类: 新科技|7858 次阅读|没有评论
集成光子学达到里程碑:高功率可调谐激光器开辟新天地
诸平 2025-1-9 18:21
集成光子学达到里程碑:高功率可调谐激光器开辟新天地 诸平 The integrated large-mode area-based amplifier amplifies a tunable seed source to a few watts level. In this scenario, the seed and the pump are fully integrated together with the amplifier onto a silicon photonics platform. The d ...
个人分类: 新科技|2529 次阅读|没有评论
共价RNA复合物工程的新化学
诸平 2025-1-7 20:04
共价 RNA 复合物工程的新化学 诸平 Chemically modified RNA can be made to fluoresce and is also suitable for the search for new active substances. 据奥地利因斯布鲁克大学 ( University of Innsbruck ) 网站 2025 年 1 月 7 日报道,共价 RNA 复合物工程的新化学 ( New chem­istry ...
个人分类: 新科技|2598 次阅读|没有评论
新一代Zn-I2电池:高容量满足长期耐用性
热度 1 诸平 2025-1-6 11:13
新一代 Zn-I 2 电池:高容量满足长期耐用性 诸平 Molybdenum carbide (MoC) nanoclusters embedded in porous nitrogen-doped carbon fibers with atomic Zn-N4 sites exhibit a physicochemical confinement effect on iodine species and enhance electron/ion transfer efficiency, facilitating the rev ...
个人分类: 新科技|7409 次阅读|2 个评论 热度 1

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