The most common coil-spring front suspension uses two control arms (also called A-arms because of their shape) per side, mounted to the frame, and a coil spring between them that exerts force on only ...

A voice coil actuator, also known as a non-commutated DC linear actuator, is a type of direct drive linear motor. The name “voice coil” comes from one of its historically first applications: vibrating ...

A newly leaked component shows what is clearly an inductive coil, claimed to be for the "iPhone 8," with an apparent female Lightning socket. But unanswerable questions surround the provenance of the ...