Imanes y electromagnetismo: ¿que son los imanes?

The video tutorial explains the basic properties of magnets, including their ability to attract certain metals like iron and nickel, while not affecting materials such as wood, plastic, or glass. It describes the characteristics of magnets, such as having two poles (North and South) where magnetic effects are strongest. The tutorial also covers the different shapes and sizes of magnets, including bar and horseshoe magnets.

What new insight or understanding did you gain from this video?