Animals have evolved crab-like bodies at least five times throughout history, a process known as carcinization.

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.

Abstract: The ultra-precise stabilization spacecraft (UPSS) requires the use of hollow-cup machines (HCMs) with extremely low output torque ripple to achieve accurate attitude control. Conventional ...

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 ...

Senior leaders at Shell rejected a proposal to acquire rival BP early in 2025, prompting the resignation of the former executive in charge of Shell’s mergers and acquisitions, the Financial Times ...

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 ...