Imagine you want to study what happens when an object accelerates. Oh, this is way before any of that internet stuff—also, no computers or electronics. In fact, let's say it's the year 1780. What do ...

This article was updated Feb. 20, 2023. It was originally published March 2, 2011. Engineers are constantly called on to select motors for the applications that will be able to do the task at hand and ...