A librarian ran off with a yacht captain in the summer of 1968. It was the start of an ...
It was June 1968. Beverly was a 23-year-old Canadian university librarian on vacation in Mazatlan, Mexico, with a good friend ...
《自然》（20250313出版）一周论文导读
迄今为止的演示仅限于两个模之间的纠缠。研究者报告了在集成光学芯片上连续可变八模纠缠的确定性产生。该芯片提供了一个量子微梳，可以产生低于阈值的多模压缩真空光学频率梳。他们验证了八模态的不可分性，并通过违反van Loock–Furusawa标准，证明了数百兆赫边带频率上的超模多部纠缠。
LNG Shipping Stocks: Driven By Spot Rates Or Geopolitics?
The UP World LNG Shipping Index, which tracks listed LNG shipping companies, gained 1.87 points (1.12%), closing at 168.68 ...
IEEE5 天
A Practical Design of X-Band Receiver Front-End in 65-nm CMOS
Experimentally exhibiting a conversion gain of around 44dB with 7.5-dB Single-sideband (SSB) Noise figure (NF), the front-end totally draws 24mA from an external 3.3-V supply. Fabricated in a 65-nm ...