We examine the motion of test equatorial string loops in a self-similar Vaidya-Papapetrou spacetime. We obtain different qualitative behaviors for values of the power parameter λ above and below the ...

本文从原理到实践系统地分享了如何高效使用AI编程工具。涵盖其底层机制（如Token计算、工具调用、Codebase索引与Merkle ...

Morningstar Quantitative Ratings for Stocks are generated using an algorithm that compares companies that are not under analyst coverage to peer companies that do receive analyst-driven ratings.

In October 1984 I arrived at Oxford University, trailing a large steamer trunk containing a couple of changes of clothing and about five dozen textbooks. I had a freshly minted bachelor’s degree in ...

Michigan bluegrass phenom Billy Strings and his band stopped by NPR’s Tiny Desk for a performance more than a decade in the making. Backed by his band — Alex Hargreaves on fiddle, backing vocalist ...

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. Toby Walters is a financial writer, investor, and lifelong learner.

Monday: Mostly sunny; windy, colder, with a high of 28 and low of 17 degrees.

Neal has more than 20 years of experience in financial and business journalism covering retail investing, airlines, pharmaceuticals, healthcare, sustainability, technology, and retail. He has worked ...

Sunday: Breezy in the afternoon, with a high of 42 and low of 19 degrees. ⛄️ Brr!

We discuss the wormhole effective interactions in string theory, thought of as a sum over two-dimensional field theories on different world sheets. The effective interactions are calculated in the ...

MuddyWater被广泛认为隶属于伊朗MOIS，其行动兼具情报收集与潜在破坏意图。历史攻击目标涵盖政府机构、电信公司、能源企业及国防承包商。该组织偏好使用开源工具（如PowerShell Empire、Cobalt Strike Beacon）进行二次开发，并频繁更换C2基础设施以规避追踪。