Safari Live - Day 121 | National Geographic

What’s up, guys? It’s Graham here. So I want to take a moment to talk about something serious. Whether or not this affects you, I think this is something worth knowing about and discussing further. That would be the upcoming wave of evictions and mortgag…

There are many videos on Khan Academy where we talk about factoring polynomials, but what we’re going to do in this video is do a few more examples of factoring higher degree polynomials. So let’s start with a little bit of a warm-up. Let’s say that we wa…

Campers aren’t working. That’s getting super frustrating. This is what it’s like on Life Below Zero; cameras are already down. Tough conditions all around. A fill-in, no heat, no power, no anything. Won’t even turn on. We have balance; that’s just a typic…

Some people command while others just complain. Some move the world while others get tossed around in the process. Welcome to Alux! The difference between powerful and powerless people often starts with their vision. Powerful people see beyond the horizon…

Let’s see if we can find the limit as theta approaches 0 of ( \frac{1 - \cos(\theta)}{2 \sin^2(\theta)} ). And like always, pause the video and see if you could work through this. Alright, well our first temptation is to say, well, this is going to be th…

So, you started your company this year. My great question: So, this actually ties into my past, actually. I was at Google for years. I started as their first filmmaker with the Creative Lab. I moved on five years later into the Google VR team, which is no…