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。

The transatlantic slave trade, spanning four centuries, generated immense wealth for Western nations and played a critical ...

Global money is pouring into Southeast Asian stocks amid the Fed's policy shift. Overseas investments have now been flowing ...

Members of the 14th National Committee of the Chinese People's Political Consultative Conference (CPPCC) leave the Great Hall ...

In the Paradox Museum, nothing makes sense and yet everything is totally real! And get this – from Thursday through Saturday ...

对于年轻的专业人士来说，少数几个州具有明显的优势。金融咨询公司SmartAsset利用美国国税局（IRS）的数据，对年收入至少20万美元的年轻人迁居最多的州进行了分析和排名。不出所料，排在榜首的两个州——佛罗里达州和得克萨斯州——是不征收州所得税的， ...

Aiming to promote golf as a popular sport and improve golf proficiency among Tsinghua University students •随着校队与协会的融合发展，吸引了越来越多对高尔夫球感兴趣、有基础的朋友加入与球队的交流、学习之中。逐步取得了一些佳绩。 高球是绿色、氧气、阳光、友谊。这项运动 ...

In the week ending September 13, all three major U.S. stock indexes posted significant gains, with the Nasdaq surging nearly ...