Abstract: This paper analyzes the vibration and noise levels of permanent magnet synchronous motor (PMSM). Firstly, an equivalent single cylindrical shell model of motor is established, which ...

As the weather grows cold this winter, you may be one of the many Americans pulling their winter jackets out of the closet.

Our articles editor was busier than ever in 2025, but this gear helped him thrive on the trails, roads, and slopes ...

For nearly 20 years, physicists and engineers have chased the idea of invisibility. Early efforts focused on hiding objects from light using so-called metamaterials with extreme and often unrealistic ...

Report says Shell CEO, CFO opposed BP bid Gut confirms he left Shell in September Shell in June ruled out BP bid, said it was bound by UK rules Shell on Tuesday says it has 'nothing to add' on matter ...

Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think. When you purchase through links on our site, we may earn an affiliate ...

NEW YORK/LONDON, Dec 9 (Reuters) - Shell (SHEL.L), opens new tab is in advanced talks to buy LLOG Exploration Offshore in a deal worth more than $3 billion, two sources familiar with the matter said, ...

So many productivity methods ask you to prioritize your daily tasks by considering how much time or effort they'll require, then tackling the resource-heavy ones first. For some people, that's a solid ...

Abstract: The reflected radiation generated by the interreflection between the inner surfaces of cavity-like objects is not easy to measure directly and leads to temperature measurement errors. In ...