Ex-CIA Spy: China Is Preparing & We're Not Paying Attention! Here's What Happens If They Takeover!

The gym has been a sort of therapy for me, and when I go there, I can turn the world off for an hour or two and just focus on pushing the weight. Going to the gym regularly also teaches discipline, hard work, consistency, and perseverance, all of which ca…

Hi, I’m Sal Khan, founder of the Khan Academy, and I’m Caroline H. Flexer, founder of Duck Duck Moose. We have a very exciting announcement today. As you probably know, Khan Academy is a not-for-profit with a mission of a free, world-class education for …

You know, the universe seems kind of small compared to some people’s egos. We all know the type. The challenge is speaking to them in a manner that doesn’t trigger any childish behaviors. So, if you want to avoid that at any cost, you’d better pay attenti…

I can take the seven pieces of a tangram and arrange them into a shape called the monk, but I can take the same seven pieces and arrange them into a monk with no feet. Wait, what? Where’d the foot go? How can these be made of the same pieces? Is it magic…

So right over here I have the graph of the function y is equal to 15 / x, or at least I see the part of it for positive values of X. What I’m curious about in this video is I want to find the area not between this curve and the positive x-axis. I want to …

So here we have a set of parametric equations where x and y are both defined in terms of t. If you input all the possible ts that you can into these functions and then plot the corresponding x and y’s for each chord for each t, this will plot a curve in t…