Analogy is one of the best ways to demonstrate or explain an abstraction. Electromagnetic interference, or EMI, is not necessarily an abstraction, but it can be a difficult concept to grasp, especially for people without backgrounds in electrical engineering or physical sciences generally. One of the analogies that I’ve come to use to help myself understand the concept comes from American football. One of the most frustrating penalties in football is defensive pass interference, which is called when Continue reading →