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.

Shini talks us through derivatives and how calculus helps us to understand the world. CALCULUS! Today we take our first steps into the language of Physics; mathematics. Every branch of science has its ...

I'm sure you've heard of Isaac Newton and maybe of some of his laws. Like, that thing about "equal and opposite reactions" and such. But what do his laws mean? And how do they help us understand the ...