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 ...
Conduction is the direct flow of heat from your warm body into your colder surroundings. In winter, all that heat escaping ...
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 ...
Our articles editor was busier than ever in 2025, but this gear helped him thrive on the trails, roads, and slopes ...
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 ...
We reviewed the best women's winter jackets and parkas, with an emphasis on warmth, style and functionality. Here are our top picks.