Safari Live - Day 42 | National Geographic

So I have an uncompressed spring here, and this spring has a spring constant of 4 newtons per meter. Then, I take a 10 gram mass, a 10 gram ball, and I put it at the top of the spring. I push down to compress that spring by 10 centimeters. Let’s call that…

We’ve already done multiple videos on the Crusades, but what we’re going to focus on in this video is how the Crusades helped catalyze the start of what many historians consider to be the first international financial institution, and that is the Knights …

All right, I’m excited to have all four of you here. So I’d love for you to each introduce yourselves. If you could introduce yourself and your company and what it does, what batch you went through YC, and you know how much money you’ve raised or the stag…

A bag has more green balls than blue balls, and there is at least one blue ball. Let B represent the number of blue balls, and let G represent the number of green balls. Let’s compare the expressions 2B and B + G. Which statement is correct? So, they mak…

In this video, we are going to use the GDP equation that we have seen before to think about how national savings relates to investment. Really, it’s a way to algebraically manipulate things to ensure that it fits with our intuition. So another way to thin…

We are prisoners on Earth. The Universe taunts us by showing all the places we can’t ever visit. However, if our species wants to have a long-term future, we have to escape our prison. But what is keeping us here in the first place? Turns out, we owe the …