MADRID, Feb. 7 (Xinhua) -- FC Barcelona announced on Saturday that it has formally withdrawn from the Super League project. "FC Barcelona hereby announces that today it has formally notified the ...
Recently, the National Reform Heat Index Assessment Report for the Fourth Quarter of 2025 was released. Xiamen’s Reform Heat ...
BEIJING, Feb. 2 (Xinhua) -- The Shenzhou-21 crew members aboard China's Tiangong space station have successfully completed their first three months in space, with all planned tasks progressing ...
近日，京领2026年度系列榜单正式发布。
研究者报告了氟硼酸铵晶体NH4B4O6F（简称ABF）作为一种具有潜力的VUV产生材料。通过构建特定相位匹配角度的VUV器件，研究实现了创纪录的158.9 纳米相位匹配SHG输出，并在177.3 纳米波长下获得了最大纳秒脉冲能量4.8 mJ，转换效率达5.9%。其增强的非线性光学性能归因于氟基单元优化排列形成的非对称子晶格结构。该研究为非线性光学领域提供了新的材料，有望应用于基于ABF晶体的小型化 ...
Last year, global temperatures were cooled slightly by a natural weather pattern in the Pacific called La Niña. That meant it wasn't quite as hot as 2024, but the long-term trend is clear. The last 11 ...
1860年6月30日，牛津大学博物馆，空气闷热的令人窒息，仿佛一场暴雨正在酝酿。大厅里挤满了上千人，纵使火爆如此，看客们也没有意识到，这将会是载入人类历史的场景。这是一场针对《物种起源》的审判。牛津主教威尔伯福斯问出了一个带有羞辱的问题：“赫胥黎先生 ...
大英百科全书，就是那个有着 256 年历史、世界发行时间最长的英语百科全书，曾在 21 世纪一度被视为过时。 据《纽约时报》报道，其所属公司大英百科全书集团（Britannica Group）傍上了 AI ，正在以近 10 亿美元的估值谋求上市。
"It's clear that more and more enterprises, scenarios and applications are moving toward AI," Huang said. "Many new startups are designing products and use cases based entirely on current AI ...
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