To explain what happened in 1977, please first allow me to offer a brief lesson in aerodynamics. The pressure difference across the surface of the wing creates a distortion of the flow field as it passes through the air, known as circulation. In the case of a racing car, this means that air behind the car is thrown upwards, creating a rooster tail of air behind the car that can clearly be seen when Formula One cars run in the wet. However, the air on