Open course ware

ANNA MORALES MELGARES: Hi. My name is Anna. I'm from Barcelona, although I'm starting an EPFL, which is in Switzerland. It's the Polytechnical Federal School of Lausanne. And today, I wanted to show you potential energy surfaces. But I thought that might be a bit boring, and since it's my video, and I do what I want, I'm going to show you theme parks and slides, because why not? Going to make myself smaller here. OK. What do we have here? Well, this is the Water World. The Water World is this theme park which is in Lloret de Mar, a city next to Barcelona, kind of. And as you can see, they have these amazing slides that end up in a funnel, like you can see this guy at the bottom of the funnel just fall through this hole. But what if I want to simulate this? I would need a software that enables me to do this, right? There is some software that can do something like this, but I chose to use Wolfram Mathematica. And now I will show you my little funnel. He...

oh is anna jason she's a nutritionist from mit magical wow and she also has the origins wow can you say that again okay so i'm going to talk about mediterranean diet so you can get the sequel okay what is it what is this mediterranean diet that you hear so much about okay so there's no one particular official mediterranean diet people think it is but it's not it's really a food pattern that is shared by countries that room the mediterranean sea and you could put more countries here i didn't go crazy um you know you could add cyprus and you could add it i don't know if that's not a country but it's a region i'll say region so that's what we consider to be mediterranean that i'm going to get into the more specifics later long time ago 1958 ansel keys organized a seven-country study and those were the countries that were in his study and he had a hypothesis that a diet was very related to heart disease so he studied this for de...