Quoted: An Airfoil Is Not A Wing: I collect old books about aerodynamics and I’ve noticed how some books use the following terms interchangeably: Airfoil, Profile, Airfoil Section, Wing, and Wing Section.

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Quoted: There are two basic factors holding up a wing in flight. The action of bulk air and molecular air.

Quoted: The wings provide lift by creating a situation where the pressure above the wing is lower than the pressure below the wing. Since the ...

Quoted: In "Genius," his 1992 biography of the physicist Richard Feynman, James Gleick pondered why physics hadn't produced more giants like Einstein. The paradoxical answer, Gleick suggested, is that there are so many brilliant physicists alive today that it has become harder for any individual to stand apart from the pack. In other words, our perception of Einstein as a towering figure is, well, relative