How to Get Started, Doing Things that Don't Scale, and Press (How to Start a Startup 2014: 8)

More than 130 years ago, before the advent of streetlights, we had the opportunity from the millennia before that to experience a starry night sky. It invited us inspiration and awe. [Music] When you are out under the night sky in the dark, next to your f…

Hello everyone and welcome to this momentous day. It is the Great American Eclipse day and we’re here with National Geographic and Airbnb on this live stream on Facebook, YouTube, and Periscope. My name is Cara Santa Maria and I am a science communicator.…

So where we left off in the last video, we have the Neo-Babylonians, the Chaldean Empire, being conquered by the Persians led by Cyrus the Great. That’s in 539 BCE that Cyrus the Great conquers Babylon, and they’re able to establish a significant Empire. …

[Music] In 1983 my father was elected president of [Applause] Nigeria. He came with a platform that said hope; farewell to poverty. [Applause] We will appoint several women, not just one, not just two, not just three, but several women into the governmen…

What we want to do in this video is get an understanding of how we can approximate the area under a curve. For the sake of an example, we’ll use the curve ( y = x^2 + 1 ). Let’s think about the area under this curve above the x-axis from ( x = -1 ) to ( …

The change in enthalpy for a chemical reaction, delta H, we could even write delta H of reaction in here, is equal to the heat transferred during a chemical reaction at constant pressure. So, delta H is equal to qp. Let’s say we are performing a chemical…