> The head cannot possibly float through hydrodynamic means if an air molecule can barely even fit under it. It can. Since siblings liked airplane analogies, h

> The head cannot possibly float through hydrodynamic means if an air molecule can barely even fit under it. It can. Since siblings liked airplane analogies, here is another one: Consider the head to be an airplane. It has somewhat wing-similar features which provide a lifting force, but the actual read/write head sits below those features (like, say, a landing gear is below wings).