flight_without_formulae.PDF (application/pdf Object)

flight_without_formulae.PDF (application/pdf Object)I am going to try to explain how an aeroplane flies, This
does not mean that I am going to teach you how to fly an
aeroplane-that is a very different matter. Many people who
can explain how an aeroplane flies cannot fly one. Still more
can fly an aeroplane, but do not know how it flies. A few
people can do both