Safari Live - Day 337 | National Geographic

All right, so this is going to be the first office hours we’re doing on YouTube, and people have submitted questions on HN, so we’re jam ready. And so, yeah, that’s Sam Altman. Here we go. This is kind of a couple questions put together. As a B2B company…

Got a lot of snow to get rid of. Time to get a new outhouse built. It’s something I need right now. This summer I went ahead and dug a couple different holes around the property, but my wrist was broke in an accident this fall. I’m starting to recover fin…

We now begin a whole new area of circuit analysis called sinusoidal steady state analysis, and you can also call it AC analysis. AC stands for alternating current. It means it’s a voltage or a current where the signal actually changes; sometimes it’s posi…

[Music] This is the ultimate test of aerogel. I put myself on the line to see who wins in the Battle of flamethrower versus aerogel. [Music] So if you really want to see the insulating properties of aerogel, you got to put it to the test. This material he…

Should I brew more? Still warm, and it’s been awhile. But the Law of Cooling is a decaying exponential. But you need a measurement on the liquid to get the heat transfer coefficient. Don’t worry about the measurement for now. We’ll find a new way to thin…

I covered the war in southern Iraq as a journalist, but never set foot in the north until after the Americans had gone. I couldn’t believe it was the same country. The city of Sulimania is a liberal island in a region flooded with extremism. Enemies are a…