[ResearchMonkey]

Actually it is because airplane wings deflect particles of the air in a downward motion. For every action there is an equal and opposite reaction.

Well, ...that'll just have to be your little secret. And to think you were bad mouthing others about the missle.

[muawiyah]

Weren't most of the early design formulas still useful irrespective of the force models imagined in the mind?

Like, they could build successful airplanes ignorant of how they actually worked ~ right?