Safari Live - Day 368 | National Geographic

A group of students prepares a large batch of conductive dough, a soft substance that can conduct electricity, and then molds the dough into several cylinders with various cross-sectional areas (A) and lengths (L). Each student applies a potential differe…

If you fly under 150 hours a year, it just doesn’t make sense, not financially. You know, go get a fractional; that’s the next best thing to owning an airplane. Do you want to explain that a little bit? So, there are different ways to get an airplane. Yo…

After being trapped on the Bering Land Bridge for several thousand years, our ancestors headed south in search of warmer climates and better food sources. Once people made it across the land bridge, it was like the floodgates opened up. Kent and I are spl…

Which is most effective for helping people learn: punishment or reward? Well, consider the case of Israeli fighter pilot training, because instructors there found that negative feedback was far superior to positive feedback. If a cadet performed a particu…

In this video, we’re going to talk about analog versus digital. Something that’s analog can be any value within a given range, while something digital is represented by a number of discrete or separate levels. To distinguish these two ideas, I like to th…

Hey, it’s me Destin, welcome back to Smarter Every Day. If there is one thing that I learnt from the backwards bicycle experiment, it is that knowledge is not understanding. So a couple of years ago when I made the YouTube series about helicopter physics,…