Safari Live - Day 129 | National Geographic

It is Laminar Flow day and you know this about me, I love Laminar Flow. There’s a cool video on Smarter Every Day that talks about how Laminar Flow works but we’re doing what I call today, Ultra Laminar Flow! It’s not really called that, I just made this …

The goal of this video is to use this scratch pad on Khan Academy, that was written by Khan Academy user Charlotte Allen, in order to get a better intuitive sense of confidence intervals. So, we’re here; we’re dealing with a gumball machine where a certa…

[Music] We live in a universe where statistically disorder is king. As time moves forward, things fall apart, stars burn out, energy spreads out, entropy conquers all. But humans, life fights that trend. We build things, we organize things, we add informa…

[Instructor] In this video, we’re going to introduce ourselves to the idea of formal charge, and as we will see, it is a tool that we can use as chemists to analyze molecules. It is not the charge on the molecule as a whole; it’s actually a number that we…

Let r be the function given by r if theta is equal to three theta sine theta for theta is between zero and two pi, including zero and two pi. The graph of r in polar coordinates consists of two loops, as shown in the figure above. So let’s think about wh…

At the Palace of Discovery in Paris, they have this huge turntable where you can sit and perform experiments. Like, in the middle of the turntable you can put some water and then add liquid nitrogen, and this creates a kind of fog. These tiny water drople…