Safari Live - Day 337 | National Geographic

Star Talk would not be Star Talk were it not for the tandem comedic elements that we weave into the science that we are otherwise conveying. What you will notice from Seth McFarlane, if you only catch the highlights of his comedic life, you may only have …

Uh, before I jump into today’s lecture, I wanted to answer a few questions people emailed me, saying they had questions about the last lecture they ran out of time for. So if you have a question about what we covered last time, I’m welcome to answer it no…

We’re given two different complex numbers here and we want to figure out what is the product. Pause this video and see if you can figure that out. All right, now let’s work on this together. So we know from the form that it’s written here that the modulu…

As a chemist, your goal is to produce some ammonia, and you decide to use this chemical reaction to do that. Ammonia is useful in making fertilizers, for example, to improve the crop yields. Anyways, suppose you react 4.43 moles of hydrogen with excess o…

The guys are felling one tree each in order to build a highly ambitious lumberjack camp designed by Johnny. “Oh Johnny, I didn’t get to say timber!” “Oh, pretty close, John.” “Johnny, 22 inches! 22! 22! You really are humming, jerk.” “All right, Dicky…

It’s August 21st, 2017, the day of the total solar eclipse. I’m in Madras, Oregon. The skies are clear. My sky tracker, it’s meant to move the camera with the sky, so it compensates for the Earth’s rotation. That should help me keep the sun in shot as the…