Safari Live - Day 42 | National Geographic

Pause the video and try to add these two rational expressions. Okay, I’m assuming you’ve had a go at it. Now we can work through this together. So, the first thing that you might have hit when you tried to do it is you realize that they have different de…

An ecotone is like a frontier where elements usually separated thrive in friction, interact, communicate. [Music] If you’re anything like me, this sound should make you very uncomfortable, unpleasant. But this is what 55% of the population hears daily wo…

So I definitely don’t want to give anyone the idea that the only reason I’m doing this is for money because that couldn’t be further from the truth, and I would be doing this regardless of how much money I make. But I have a feeling this video might inspi…

What does the transforming is knowledge? We can take some raw material that had no particular use, and within that raw material, we might find uranium nuclei, which then can be used in a nuclear reactor to create energy or bombs. We can find within someth…

In this video, we’re going to explore how a two by two matrix can be interpreted as representing a transformation on the coordinate plane. So let’s just start with some examples or some conceptual ideas. The first conceptual idea is that any point on our…

Hi, my name is Sal Khan. I’m the founder of Khan Academy, and I’m also the author of a new book about artificial intelligence and education called “Brave New Words.” OpenAI invited myself and my son, Imran, here to try out some of their new technology. So…