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

So here I’m going to talk about the gradient, and in this video I’m only going to describe how you compute the gradient. In the next couple ones, I’m going to give the geometric interpretation. I hate doing this; I hate showing the computation before the …

Like a dream. Let’s get your chute up. I’m ready. Here we go. BEAR GRYLLS: Terry Crews and I just landed on a small airfield in the Icelandic mountains. Last night, he told me that skydiving was on his bucket list. Well, Terry, be careful what you wish f…

Mario backpacks and SLR mount for your iPhone. It’s episode 17 of LÜT. Wear your glasses and shades together in one piece while browsing portal necklaces, Aperture totes, laptop stickers and on and on and on. And here’s a book that shows you how to build…

Several videos ago, we introduced the idea of a Fourier series. I could take a periodic function, we started with the example of this square wave, and I could represent it as the sum of weighted sine and cosine functions. Then we took a little bit of an i…

Let’s look at two different methods for preparing buffer solutions. In the first method, we’re going to add an aqueous solution of a strong base, sodium hydroxide, to an aqueous solution of a weak acid, acetic acid. Our goal is to calculate the pH of the…

Black holes are deceptively simple and yet incredibly complex. A black hole is a region of space where the pull of gravity is so intense that nothing can escape, not even light. We don’t have the physics to describe what a black hole is because it leads t…