Mark Zuckerberg on Taking Risks and Finding Talented People

Hey, Vsauce. Michael here. And as they say, “a bird in the hand is worth two in the bush.” What it means is that it’s better to have a certain advantage than to have nothing, except the possibility of a greater one. But two birds in the bush? Who calcula…

Stacy wants to find the derivative of f of x = x² + 1 at the point x = 2. Her table below shows the average rate of change of f over the intervals from x to 2 or from 2 to x, and these are closed intervals for x values. They get increasingly closer to two…

Once upon a time, a group of hedgehogs faced the cold winter. As they were feeling cold, they decided to move closer to each other and share bodily warmth. Unfortunately, as soon as they crawled together, they hurt each other with their sharp spines. And …

In 2014, the qualifying exam for the US Physics Team had this as question 19: A helicopter is flying horizontally at constant speed. A perfectly flexible uniform cable is suspended beneath the helicopter. Air friction on the cable is not negligible. So, w…

Marty and I set out on an expedition to make the first print and interactive maps of Patagonia National Park. This was a dream project. In Patagonia, we wanted to explore as much of the park as we could. So that meant bushwacking off trails. That meant, y…

[Instructor] Free energy is symbolized by G. And the change in free energy is delta G. When there’s a subscript of F, this is talking about the change in the free energy of formation, which refers to the change in the free energy for the formation of one …