Let's talk about astrophysics, cosmology and how our universe works. In this episode of Crash Course Physics, Shini sits down to talk about Astrophysics and Cosmology. By using what we've learned this ...

In this episode of Crash Course Physics, Shini takes us into the world of magnetism! Magnets have a north pole and a south pole. Two of the same pole will repel each other, while opposites attract.