Most drone engineers pick a lane. You build for speed, or you build for range. Luke and Mike Bell, the father-and-son team from South Africa already famous for pushing electric quadcopters to ...

His name was Leonardo Torres Quevedo, a Spanish engineer born in Santa Cruz, Spain, in 1852. Smart? In 1914, he developed a ...

Abstract: Super-twisting sliding mode (STM) control offers advantages, such as fast response and low demand on motor model accuracy, and is attractive for the permanent magnet synchronous motor (PMSM) ...

While the E-Clutch system sounds complicated, the Rebel is an overall simple machine. It is powered by a 286cc liquid-cooled single-cylinder four-stroke engine with fuel injection and a six-speed ...

In science fiction, the use of gunpowder-based weapons is generally portrayed as something from a savage past, with technology having long since moved on to more civilized types of destructive ...