There isn’t much that you can’t learn for free on the internet, but it’s not just YouTube tutorials — if you know where to look you can actually get something approximating a world-class education ...

You don’t need to pay hundreds of thousands of dollars or sit through hours of classes in order to understand the fundamental nature of the universe. In truth, the fabric of the cosmos is just a mouse ...

We learn a lot about our surroundings thanks to sound. But... what is it exactly? In this episode of Crash Course Physics, Shini goes over some of the basics (and some of the not so basics) of the ...