How to Get Started, Doing Things that Don't Scale, and Press (How to Start a Startup 2014: 8)

All right, let’s see if we can find the limit of one over the square root of two sine of theta over cosine of two theta as theta approaches negative pi over four. Like always, try to give it a shot before we go through it together. Well, one take on it i…

We’re down to sunny and warm South Africa, where a few of my friends are stars in the afternoon drive. I believe Mr. Scottie Dyson is already on drive and is ready to say good afternoon, driving in the Maasai Mara. He must be very, very excited. My name’s…

6 days ago, Little Big Planet 4556 asked for more online scary flash games. So because Vsauce delivers, I’m going to do that right now, along with some funny and just straight up creative games. They’re all free, and they’re all online, and links to them …

Hello and welcome to ED Talks with Khan Academy. I’m Kristin Docero, the Chief Learning Officer at Khan Academy, and I’m excited today to talk to Dr. Matt Townsley, who is a professor and author of Making Grades Matter. We’ll be talking about all things g…

Let’s solve a cool stoichiometry problem. Consider the chemical reaction where we have propane that burns with oxygen, giving us water and carbon dioxide. Okay, now if you’re conducting this reaction, our question is how much propane in grams is needed to…

[music playing] ARMIE HAMMER: Whew! Yeah. Good to go. BEAR GRYLLS: OK. Our gear weighs nearly 75 pounds, and it’s too heavy to carry up this ladder. So we’re going to cache it on the sea floor like Navy SEALs do when they hide their gear until it can be…