Mechanical Engineers use \(y\) as a coordinate axis at the ground pointing towards the sky. Dissimilar, Aerospace Engineers use \(y\) as a coordinate fixed to a flight-vehicle pointing towards the Earth. This is why Mechanical Engineers have their feet on the ground, and Aerospace Engineers have their heads above the clouds.
Category Archives: Life
Oliver Heaviside
Shall I refuse my dinner because I do not fully understand the process of digestion? Oliver Heaviside according to von Karman and Biot, on the subject of turbulence