Here are a few competency-focused practice questions students should go through, as they provide a sense of the types and ...

In the home, the lab and the factory, electric fields control technologies such as Kindle displays, medical diagnostic tests and devices that purify cancer drugs. In an electric field, anything with ...

While it may be an unfamiliar sensation to humans, electroreception is relatively commonplace in the animal kingdom. Sharks, bees and even the platypus all share this ability to detect electric fields ...