Satya Nadella on the journey to becoming Microsoft's CEO & reimagining technology's impact

This is a print showing San Francisco Harbor in 1848. There’s a little smattering of houses and a few boats in the water. It looks pretty peaceful, and it was. San Francisco only had about a thousand residents, and California had only newly become a U.S. …

So now we’ve seen rotation by multiplying J by J over and over again, and we see that that’s rotation. Now let’s do it for the general idea of any complex number. So if I have a complex number, we’ll call it Z, and we’ll say it’s made of two parts: a rea…

There’s a big difference between having fortitude and hiding away in a fortress. In the latter case, we physically separate ourselves through self-isolation. Oftentimes, this is an attempt to hide from the big, bad things in the world. It’s not unlikely t…

So, we’re asked to choose the equation that can represent the hyperbola graphed below. This is the hyperbola graphed in blue, and I encourage you to pause the video and figure out which of these equations are represented by the graph here. All right, let…

We’re told that Ahmat tried to write ( x^4 + 5x^2 + 4 ) as a product of linear factors. This is his work, and then they tell us all the steps that he did, and then they say in what step did Ahmad make his first mistake. So pause this video and see if you …

In 2011, an article was published in the reputable “Journal of Personality and Social Psychology”. It was called “Feeling the Future: Experimental Evidence for Anomalous Retroactive Influences on Cognition and Affect,” or, in other words, proof that peopl…