引力波探测器使用数公里长的干涉仪来测量时空的微小膨胀和收缩。由于量子力学的原因,这些测量的精度是有限的。理论上,利用光的压缩态可以超越量子极限,而合适的滤光腔可以在更宽的频率范围内扩展这一优势。
许多人可能听说过“无尽的前沿”,但不一定清楚它究竟是什么玩意儿。事实上,它既是一份呈交美国总统的报告的标题,又是一本美国高官的传记的书名,甚至还是美国国会近年一个法案的简称。几十年来,围绕着它迷雾重重,误解甚深。
North Korea has given a rare public glimpse of its nuclear weapons program during a visit by the country's leader Kim Jong Un ...
最高人民法院知识产权法庭就一起围绕血气生化分析仪技术的发明专利权无效行政纠纷案件作出了终审判决。此案不仅触及了“在中国完成的发明”的法律界定,还深入探讨了保密审查义务的履行条件及其审查基准,引发了业界的广泛关注。
Israel carried out air strikes on a scientific research facility and an arms depot in central Syria on Sunday night, a war ...
X-ray fluorescence radiation generated by lunar elements excited by X-rays from the Sun can reveal the distribution of ...
随着AI工具的出现,可疑的论文或引文可能很难与真实的论文或引文区分开来。再加上编辑、同行评审和出版过程高度依赖信任的复杂关系,导致学术造假频发。目睹着AI在学术界使用日益泛滥,法国图卢兹大学计算机科学家Guillaume Cabanac决定要做点什么 ...
In the wake of severe challenges the world is facing today, countries should work together to strengthen policy communication ...
China's strength in agricultural science and technology has entered the first echelon internationally, laying a solid ...
【摘要】中国认知科学的三个发展阶段是科学研究、学科建设和人才培养,而认知科学时代的人才培养要通过教育变革来实现,为此要重新认识和定义教育。未来教育应坚持知识和能力并重,更加重视心智和认知能力的培养。通过建立人类认知五层级与教育发展各阶段的对应关系,可 ...
Shanghai's outlying Fengxian District is working to become a key center for biomedicine innovation in South Shanghai by speeding up the commercialization of original scientific research in the ...
The inaugural China-Hungary Science Innovation Day was launched on Sept 7 during the opening ceremony of the 2024 Pujiang Innovation Forum in Shanghai. The event, marked by the presence of a ...