We've all wondered it at least once—how do airplanes actually fly? What scientifically allows such a heavy metal contraption to stay suspended midair? Join Hank Green and learn about the impressive ...

Here's what that means for turbulence. Every flier waits to hear those magic words after takeoff: “We have reached cruising altitude; you’re now free to move about the cabin.” But what is cruising ...

Imagine this: Stick your hand out of the window of a car that travels at around 60 mph, and you will notice how lift is being produced as you twist your hand up and down. As the car accelerates, you ...

That's all the questions I have.