An easy demonstration of the lift produced by an airstream requires a piece of notebook paper and two books of about equal thickness. Place the books four to five inches apart, and cover the gap with ...

An easy demonstration of the lift produced by an airstream requires a piece of notebook paper and two books of about equal thickness. Place the books four to five inches apart, and cover the gap with ...

However, as one of the experts who sometimes helps us here at Bang says, if you want to explain how wings work "There is no need even to introduce Bernoulli's equation" [7]. 1. I've found Mark ...