It's always fun when two of the biggest science video bloggers team up to tackle a topic.
Here's the MinutePhysics video, in which we get about six minutes on some of the physics behind magnets and why they act the way they do:
Switching over to the Veritasium video, we get an explanation of "How Special Relativity Makes Magnets Work":
Taken together, you should now be fully versed in the ways of magnets and magnetism. This will be on the midterm.
Keith Shaw rounds up the best in geek video in his ITworld.tv blog. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter, Facebook, and Google+.