Safari Live - Day 69 | National Geographic

Today I am doing an experiment that demonstrates Heisenberg’s Uncertainty Principle. So here, I have a green laser, and I am firing it down towards the front of the room through a narrow slit. Now, that slit can be adjusted so it can be made narrower or …

Exploration is a compulsory human trait. We’re the only animal on the planet driven so deeply by curiosity. From the surface of the Earth, the ocean floor, to space. Humans have an insatiable desire for adventure and exploration. These days we’ve been tu…

Hi, I’m Megan from Khan Academy, and in this video, we’ll browse through Khan Academy together. We’ll start by logging into the platform and then go through some of the key navigation features together. To get started, go to khanacademy.org and click “Te…

[Applause] There’s a lot of people out there that call themselves artists, but there’s no bad art. The beauty’s in the eye of the beholder. [Music] [Applause] [Music] [Applause] [Music] Chainsaw carving has a certain element of theater to it; it’s kind of…

Let’s get some practice calculating interquartile ranges. I’ve taken some exercises from the Khan Academy exercises here, and I’m going to solve it on my scratch pad. The following data points represent the number of animal crackers in each kid’s lunchbox…

When I first started bringing my kids in the woods, I wasn’t sure how they’d take to it, and it seems like it’s in their blood. It makes me feel real proud. Let’s go check out the bath house; we got some work to do ahead of us. Part of having these hot s…