This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American So many debates about our transforming ...

THE want of a text-book especially designed for the use of candidates for examinations in which a knowledge of the more elementary portions of the mathematical theory of electricity and magnetism is ...

Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add this ...

For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...