Abstract: Dynamic state estimation of a power system provides essential information about its inherent dynamic change. Nonlinear Kalman filters (NKFs) have been identified as potential versatile tools ...

Calculators and computers have made finding the square root of a number quick and easy, but sometimes you might need to find the square root without these handy tools. Whether you’re preparing for a ...

Abstract: This study delves into hybrid-triggered $H_{\infty}$ con-trol for continuous-time singular systems exposed to random cyber-attacks. Hybrid-triggered ...

October 2, 2025 • It's not just students, more professors are using AI in the classroom. But they say more guidance is needed on how to use the technology. October 1, 2025 • Our national podcasting ...

(The Center Square) – The latest National Assessment of Educational Progress report, often called the “Nation's Report Card,” shows that high school seniors' math and reading scores have reached ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

The arbuscular mycorrhiza (AM) symbiosis is formed by a monophyletic group of fungi from the phylum Glomeromycota and the roots of 70–90% of land plant species. AM fungi are considered to be 'living ...

The billionaire heiress who recently donated $250,000 to a super PAC supporting socialist Zohran Mamdani’s NYC mayoral campaign is bankrolling a national push to bring “woke math” into public schools ...

September 25, 2025 - Schools across California could lose hundreds of mental health workers, after the Trump administration cut federal grants. As routines for the new school year get underway, many ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

The federal government shutdown left Social Security offices crowded, veterans wary, food banks preparing and local agencies in Sonoma and Napa counties bracing for ...

New test scores from the National Assessment of Educational Progress (NAEP), also known as the Nation’s Report Card, show eighth-graders’ science scores have fallen 4 points since 2019 and ...