newtons second and third laws force = mass* acceleration every action has an equal and opposite reaction. watch a recording of a swimmer carefully, the do not simply push the water backwards as hard...
Science creates technology which helps create science! Technology is like robotics and computers science is chemicals and nano technology they support each other!
I suppose that u ask the difference between science and technology.... if it is so..
science is acquiring knowledge and.
tecnology is applying the knowledge of science......