Actuators are the input and output devices ... into a form that can be processed by the control system, and vice versa. Examples include electrical motors or pneumatic pistons.

Usable, in this instance, means sharp down the atomic level. The sample platform, actuator mount and all the connecting parts are 3D-printed with PA-CF. This is necessary to achieve enough ...

The mirror actuators on the James Webb Space Telescope are a perfect example of this extreme engineering, and to understand how they work a little better, [Zachary Tong] built a working model of ...