Safari Live - Day 42 | National Geographic

As we get into the 1500s, the Renaissance has been going on for roughly 200 years. Especially, Europe has been rediscovering the knowledge from the Greeks and from the Romans. As they enter into the 16th century, they start to go beyond the knowledge of t…

So we’re asked to graph ( y ) is equal to three times sine of one half ( x ) minus two in the interactive widget. And this is the interactive widget that you would find on Khan Academy. It first bears mentioning how this widget works. So this point right …

Earlier, roller coasters used to start from a height with a lot of gravitational potential energy, which then got converted into kinetic energy as the coaster went down. But what you’re seeing here is an example of something called a launched roller coast…

Estimating e to the 1.45 using a Taylor polynomial about x equal 2, what is the least degree of the polynomial that assures an error smaller than 0.001? In general, if you see a situation like this where we’re talking about approximating a function with …

In past videos, we’ve thought about whether segment lengths or angle measures are preserved with a transformation. What we’re now going to think about is what is preserved with a sequence of transformations, and in particular, we’re going to think about a…

First thing you’re struck by is the landscape, like it’s absolutely stunning the entire way. The landscape changes so quickly from one amazing vista to the next. As a photographer, like you can’t really ask for anything else. There’s a lot of inspiring pl…