Boats are such a part of our lives that we may not think twice about all the things that make them tick. We're more than happy to enjoy a ride over the water, but that's one of the more puzzling facts ...

Although density altitude does reduce performance of an aircraft, it doesn't automatically keep you on the ground. [Credit: Shutterstock] A student pilot mistakenly believed any reported density ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...