The Singapore Grand Prix is one of the most physically and mentally demanding races of the season, but there is also another odd quirk that teams must prepare for at the iconic street circuit. Since the first night race of the Formula 1 calendar took place in 2008, the teams have needed to fit special versions of sensors to their cars in order to combat the threat of magnetic interference. This is because the Esplanade Bridge forms part of the track between Turns 13 and 14. The concrete used on the bridge is underpinned by steel beams that are magnetised.…