In April 2024, a Chinese spacecraft broke apart in the skies over Southern California, creating a dramatic fireball and ...

A growing space debris problem leads scientists to use seismic sensors to follow sonic booms from uncontrolled reentries ...

After more than two decades of continuous service in orbit, the International Space Station (ISS) is set to make its final ...

Academy of Art and Design, Yancheng Teachers University, Yancheng, China Introduction: With the acceleration of global aging, the accurate prediction of care service demand for older adults is of ...

Abstract: This study proposes a novel distributed online gradient descent algorithm incorporating a time-decaying forgetting-factor (FF) mechanism. The core innovation lies in introducing a ...

Abstract: Hybrid loss minimization algorithms in electrical drives combine the benefits of search-based and model-based approaches to deliver fast and robust dynamic responses. This article presents a ...

After February 2022, when Russian President Vladimir Putin launched his so-called special military operation—a full-scale invasion of Ukraine—the popularity of George Orwell’s 1984, a dystopian novel ...

Google launched four official and confirmed algorithmic updates in 2025, three core updates and one spam update. This is in comparison to last year, in 2024, where we had seven confirmed updates, then ...