When just a little shove for a door or the ability to pop something up out of an enclosure is all you need, finding just the right actuator can be a chore. Unless someone has done the work for you ...

The behind-the-scenes mechanism that locks and unlocks your vehicle’s doors with the push of a button is the power door-lock actuator. Mounted inside the door, it includes an electric motor ...

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 ...