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 are everywhere in our daily lives, even if we don’t always notice them. From holding up notes on the fridge to powering complex machines, magnetism plays a crucial role in technology, science, ...

Okay, since we're on the topic, I have a slightly tangential question... How do you make one-way magnets? Or can you? I dismantled a hard drive a while back, and the two magnets inside pulled VERY ...