A retailer has published seemingly speculative pricing for the Garmin Cirqa, suggesting it may be significantly more ...

The new AI-powered Hypershell X Ultra promises to cut your hiking effort by 20 percent. I took the $2,000 motorized chassis to the Grand Canyon to test whether it’s a game-changer or a gimmick.

Abstract: Fused silica, renowned for its excellent mechanical properties and thermal stability, has emerged as an ideal material for microelectromechanical system (MEMS) gyroscopes. However, the ...

Abstract: In this article, we study the rest-to-rest attitude trajectory planning problem of a spacecraft actuated by two single gimbal control moment gyroscopes (SGCMGs) with control and pointing ...