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

Everyday each of us fights a battle that the rest of the world knows nothing about. This struggle isn’t with the outside world but within the confines of our own minds. Marcus Aurelius, a Roman emperor and a stoic philosopher, once wrote in his personal n…

A 1900 kilogram truck has an initial speed of 12 meters per second. The driver applies the brakes, and the truck stops in 3.1 seconds. What is the best estimate of the magnitude of the average braking force on the truck? Pause this video, see if you can w…

[Music] So a while back, I did an imploding drum experiment. But at the time, I didn’t have a very good high-speed camera, and so I used something called optical flow to interpolate between the frames. It basically just tries to add in what must have happ…

What’s up, Grandma’s guys! Here, so it’s official: Bitcoin and the entire cryptocurrency market just lost the battle to Congress, who recently passed a bill containing a slew of regulations that would be impossible to comply with, thereby stalling the ent…

Hello Emily, hello David. So we’re here today to talk about apoptosis. Uh, I was going to ask you some questions about it; you were going to explain what it even is to me. Absolutely. Okay, talk apoptosis. So, this word apoptosis—I did a little bit of …

With you watching on a dark December night, the final Apollo mission blasts off. As the astronauts leave Earth behind, they do something remarkable: they take a family photo. As the astronauts were leaving Earth, within just a few hours, they were able to…