Many objects around you contain electromagnets. They are found in electric motors and loudspeakers. Electric bells like the ones used in most schools also contain an electromagnet. The slideshow ...

It does not lose its magnetism quickly when the current is switched off. Electromagnets with iron cores are used: in scrap yards to lift magnetic materials such as iron and steel; to separate ...

a public education project to teach people about electromagnets and waves. Even better, [Justin Miller] has written up how he built this exciting project. Catch The Wave! consists of four small ...

The film discusses the historical development and principles of electrodynamics, starting with Luigi Galvani's chance ...