Magnetism: Crash Course Physics #32

This episode was sponsored by Prudential. Go to http://Raceforretirement.com and see how quickly 1% can add up.

You’re probably familiar with the basics of magnets already: They have a north pole and a south pole. Two of the same pole will repel each other, while opposites attract. Only certain materials, especially those that contain iron, can be magnets. And there’s a magnetic field around Earth, which is why you can use a compass to figure out which way is north. In this episode of Crash Course Physics, Shini takes us into the world of magnetism!


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