Safari Live - Day 368 | National Geographic

What I want to do in this video is explore taking the derivatives of exponential functions. So we’ve already seen that the derivative with respect to x of e to the x is equal to e to the x, which is a pretty amazing thing. One of the many things that make…

This propeller craft was built to settle a physics debate because what its creators claim it can do is so counterintuitive that it seems to violate the law of conservation of energy. So I’ve come here to drive it myself and see if it really works. And is …

So our next speaker and I have something in common: we both started businesses to allow people to create websites. The difference is that David’s business was massively successful. Davidenko is the founder of Weebly, which early this year sold to Square. …

So in the last video, we did our circuit analysis. We set up the four equations that we needed to solve in order to figure out all the voltages and currents in our example circuit. And so now we’re going to solve it. This is a matter of doing the algebra …

[Music] Traditional doctors or amches are highly respected and regularly consulted. Here, their methods have been passed down from generation to generation. They are reputed to be able to transform Mountain herbs into remedies to treat everything from art…

Hello Grim, Marians. Hello Rosie. Hi David, how are you? Good, how are you? Good. Today we are going to talk about run-ons and comma splices. A run-on sentence is what happens when two independent clauses are put together in one sentence without any punc…