Safari Live - Day 368 | National Geographic

Well, you thought that I was done talking about Ray Dalio? No way! Because, interestingly, while most of his interviews at the moment talk about macroeconomics and investing in China and so on, I was very surprised to hear him bring up the fact that he ha…

Hello teachers, I’m Sal Khan, founder of the not-for-profit Khan Academy, and I’m here to announce a nationwide back-to-school learning challenge called LearnStorm. LearnStorm is an exciting way to jumpstart your school year around learning activities. …

What’s common between your morning hot coffee and a beautiful song coming from a guitar? To answer that question, we need to explore what kinetic energy is, and that’s what we’ll do in this video. But let’s zoom out a little bit. What exactly is energy t…

So I’ve named you by traditional standards. Were incredibly successful in the traditional world. Like, you get an MBA at Harvard; you start working at these big companies. What made you decide that you wanted to leave that world when you’re clearly on a t…

Hello everyone. So, here I’d like to talk about harmonic functions. Now, harmonic functions are a very special kind of multivariable function, um, and they’re defined in terms of the Laplacian, which I’ve been talking about in the last few videos. So, th…

You’re just one Roman Empire history final away from a relaxing spring break. But you still have so much to study! So you decide to follow in the footsteps of many students before you and pull an all-nighter. When you stay up all night, you’re fighting a…