Magnets can move metal objects without even making contact—but how do they do that? In this video, you’ll learn how magnetic fields are formed, how poles attract and repel, and where we see this ...

Magnets can move objects without touching them—but how do they do it? This video breaks down how magnetic fields are created and how they interact with materials around them. Explore the invisible ...

How do massive electromagnets move? Incredibly slowly, if the $3 million plan to get one of them from New York to Chicago can tell us anything. The move, over land and sea, will take a total of five ...