On June 29, 2022, Earth's angular momentum was so low (and the atmosphere's angular momentum so high) that the planet saw an LOD of -1.59 milliseconds—the shortest day ever recorded.

Twisted materials—known as moiré structures—have revolutionized modern physics, emerging as today's "alchemy" by creating ...

The article details the process of degreeing a camshaft in a small-block Chevy for optimal performance, emphasizing the importance of accurate valve timing. It explains tools needed, methods, and ...

Orbital angular momentum (OAM) mode multiplexing has the potential to achieve high spectrum-efficiency communications at the same time and frequency by using orthogonal mode resource. However, the ...

A dual-mode (l=-1 and 3) orbital angular momentum (OAM) antenna array is described in this paper. Gene Algorithm (GA) method is used to optimize the excitation of antenna array for separating ...

iShares U.S. Equity Factor Rotation Active ETF (DYNF) momentum performance and underlying metrics. Price return vs. S&P 500, Quant Ratings. Charts: from 1 month to 10 years and stock comparison.

A high-level overview of ATAC US Rotation ETF (RORO). Stay up to date on the latest price, chart, news, analysis, fundamentals, trading and investment tools.