In January I wrote a piece titled “ 5 Physics Equations Everyone Should Know .” Lots of you weighed in with your own ...

Abstract: During industrial smart manufacturing, many problems can be described as a time-dependent nonlinear equation system (TNES) that needs to be solved cooperatively due to large-scale ...

Abstract: In this paper, a practical ambient-frequency-data-based inertia estimation method using a physical equation is proposed and validated by real measurement data from Hawaii island grids. With ...

This document has been published in the Federal Register. Use the PDF linked in the document sidebar for the official electronic format.

Tens of millions of voters have had their citizenship status and other information checked using a revamped tool offered by the Trump administration, even as many states — led by both Democrats and ...

Amazon is monitoring employee phone usage. Workers must now report the percentage of work-related use on company phones. Reimbursements will be adjusted accordingly. This is part of cost-cutting ...

Sustainability: News about the rapidly growing climate tech sector and other areas of innovation to protect our planet. SEE MORE by Lisa Stiffler on Sep 4, 2025 at 8:12 am September 5, 2025 at 9:00 am ...

The Trump administration took the fight over its tariffs to the U.S. Supreme Court on Wednesday, asking the justices to rule quickly that the president has the power to impose sweeping trade penalties ...

Bella Messina, Alyssa Jane, Jessica Thoday, Tyra Brooke, Ella Victoria, and Lily April Rose were invited by Explore Uluru to visit the Northern Territory and shared a series of photos from the trip on ...

The Student Management System is a simple application developed in Visual Basic (VB) that allows for the management of student records. It provides functionalities for inserting, viewing, updating, ...

$$\Vert \nabla_r T(\textbf{x}_s, \textbf{x}_r) \Vert = \frac{1}{v(\textbf{x}_r)}$$ $$\Vert \nabla_s T(\textbf{x}_s, \textbf{x}_r) \Vert = \frac{1}{v(\textbf{x}_s ...