Why do Formula 1 cars spark? F1's sparking cars explained

Why do F1 cars spark? Formula 1 cars have whats known as a plank underneath the car, which runs from the rear of the car up to just before the front wheels. The plank was introduced by the FIA as a way to try to reduce under-body aerodynamics, as well as prevent the car from bottoming out on the straights. While one might expect it to be made of carbon fibre or another highly-specialised ... Keep reading