The Internet Has Massively Broadened Career Possibilities

Derek: A couple of years ago my friend Destin and I wanted to definitively answer the question: does water actually swirl the opposite direction down the drain in the other hemisphere? At the time, I was living in Sydney, Australia, and Destin was in Hunt…

What stocks have the smart money been buying and/or selling? That’s what we’re going to be taking a look at in this video. A couple of weeks back, the 13F filings were released, which means we get to take a look behind the curtain and observe all the mark…

So we are asked to drag the point to 12.5 on the number line. So let’s see. You can see this is twelve, and then twelve point five is halfway between twelve and thirteen. Then they say, what is twelve point five rounded to the nearest tenth? Well, what’s…

So I’ve talked about the partial derivative and how you compute it, how you interpret it in terms of graphs. But what I’d like to do here is give its formal definition. So it’s the kind of thing, just to remind you, that applies to a function that has a m…

Derek sent a chain letter to his friends, asking them to forward the letter to more friends. The group of people who receive the email gains 910 of its size every 3 weeks and can be modeled by a function P, which depends on the amount of time T in weeks. …

El Dorado, the legendary city covered in gold, doesn’t seem like a place that could really exist. But then, neither did tapuis in the Guyana Highlands, a remote region of South American rainforest. Flat mountains with vertical walls rise high above the fo…