Safari Live - Day 337 | National Geographic

So imagine you’ve got an object sitting in front of this concave mirror. If you wanted to figure out where the image is formed, you can draw ray tracings. One ray you can draw is a parallel ray that goes through the focal point, but these rays are reversi…

Hey, Vsauce. Michael here. In 1934, Webster’s dictionary gave birth to a new word by mistake. Their chemistry editor, Austin N. Paterson, submitted a simple entry: “D or D abbreviation for density.” Nothing wrong with that, but the entry was misread, and …

My name is Sam. Today, we’re talking to Vinod Khosla. Vinod is the founder of Sun Microsystems and Khosla Ventures. He’s been involved in the creation of dozens of billion-dollar companies, and I think he’s one of the most interesting thinkers that I’ve e…

You are likely already familiar with finding the area between curves, and in fact, if you’re not, I encourage you to review that on Khan Academy. For example, we could find this yellow area using a definite integral. But what we’re going to do in this vi…

The Cirrus Vision Jet is a really impressive aircraft… on paper. It’s got a range of 1,275 nautical miles; that’s the equivalent of Melbourne to Ali Springs, London to Greece, even New York to Dallas. It can cruise over 310 knots. It’s got state-of-the-ar…

Foreign. I’ve traveled to China scores of times. I know every way of getting in, but this I really was stuck. In the summer of 2022, Justin Jin started a project that would become a National Geographic cover story. Justin is a photographer based in Brusse…