Mark Zuckerberg on Taking Risks and Finding Talented People

What we’re going to do in this video is get some practice taking derivatives with the power rule. So let’s say we need to take the derivative with respect to x of 1 over x. What is that going to be equal to? Pause this video and try to figure it out. So…

Although I’m Michael Seibel and partner Y Combinator, today I’d like to talk about the difference between your investor pitch and your customer pitch. When most founders typically screw up here is that your customer typically knows a lot about the proble…

Please, put on your headphones – I promise that there won’t be any loud sounds, but this video is going to hurt. There’s a study about hypersounds and how they cause headaches: these sounds are too high-pitched to hear – like the one added to this video, …

Two identical spheres are released from a device at time equals zero from the same height ( h ), as shown above. Sphere A has no initial velocity and falls straight down. Sphere B is given an initial horizontal velocity of magnitude ( v_0 ) and travels a …

The goal of this video is to understand how median per capita income after taxes has trended in the United States in comparison to some other countries over a 30-year period, and the 30-year period for this chart is from 1980 to 2010. So, for example, in…

My name is Hillary O’Neal and I am a professional ski mountaineer and adventurer. Today, we are going to talk about backcountry navigation. There are a lot of uses in many different environments that would require some level of skill in backcountry naviga…