MODEL RELEASED. Magna science centre. Children playing with an interactive exhibit at the Magna science centre near Sheffield, England. This exhibition illustrates scientific concepts in interesting and informative ways. The Magna centre covers science in four main topics: Fire, Water, Air and Earth. It also links these to the history and technology of steel production in Sheffield. This is a wing exhibit in the Air zone, which demonstrates the Bernoulli effect. This principle relates to how a wing generates lift.