A roti, Pranoti Nagarkar likes to say, is a non Newtonian fluid—its behaviour shifts with pressure, temperature and time.

Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

Abstract: This paper considers the stability problem of a linear time invariant system in feedback with a string equation. A new Lyapunov functional is proposed using augmented states that enriches ...

Use these skills and tools to make the most of it. by Antonio Nieto-Rodriguez Quietly but powerfully, projects have displaced operations as the economic engine of our ...

Advanced interceptor missiles manufactured by Russia and operated by the Turkish military are still part of Ankara’s defense capability, and reports Moscow or Kyiv will acquire the weapons are ...

In grade school, you were constantly drilled on mathematics. But as an adult, those lessons all too often fall to the wayside. See if you can remember elementary formulas with this math problem.

With Social Security projected to be insolvent by 2032, Commissioner Frank Bisignano says options like raising the retirement age are on the table for U.S. retirees.

Abstract: Staircase approximation in the simulation of the arbitrarily irregular surface will cause artificial interference of wavefield. The body-fit coordinate transformation can accurately simulate ...

Strict embargo: not for publication or external distribution until 10 September 2025 at 16:00 (London time), 10 September 2025 at 11:00 (US Eastern Time) For centuries, astronomers have puzzled over ...

As part of our commitment to transparency and improvement, NHS England has launched a new interactive dashboard under the NHS oversight framework 2025/26. The dashboard provides a view of how NHS ...

JOHANNESBURG - The Department of Basic Education said it has tabled a five-priority action plan to help turn around and build a more equitable learning system in the country. The solutions are set to ...