Safari Live - Day 121 | National Geographic

What is time? A deceptively simple question, yet it is the key to understanding relativity. It is sort of the reason my hair is going gray. [laughter] When we describe motion, we do so as a function of time: 10 meters per second, 100 miles per hour. But t…

In this video, we’re going to explore the idea of an indifference curve. Indifference curve, and what it is, it describes all of the points, all the combinations of things to which I am indifferent. In the past, we’ve thought about maximizing total utilit…

If you have been following this channel for a while, you might get the idea that I like structure. And I do. I love productivity, organization, order, and I try to be as disciplined as possible. When some people hear, they think that it’s boring. They equ…

So you may have heard about Ponzi schemes in the news. Everybody knows they’re illegal, but you might not understand how they work. So Ben is here to show us. To start off, Ben gets a few people to invest their money with him. At the end of the year, he …

So we’re told that ( f(x) ) is equal to the infinite series we’re going from ( n = 1 ) to infinity of ( \frac{n + 1}{4^{n + 1}} x^n ). What we want to figure out is what is the definite integral from 0 to 1 of this ( f(x) ). And like always, if you feel i…

[Narrator] The Protestant Reformation of the 16th century shook the very foundation of Europe’s cultural identity. The Reformation was a revolution of religion in western Europe. Essentially, it was the result of centuries worth of political and social gr…