The end result was that nobody knew who was on pole and the top 10 drivers got out of their cars and were swapping times to work out who had actually set the hot lap.
With the track slightly cooler than during the morning's running, Vettel and Webber continued to lead the way, swapping fastest times before Vettel, on super soft tyres, set a target that his Australian team-mate, hampered by traffic, failed to match.
My dad was an engineer and I spent countless hours tinkering with him on the DIY projects he had going on around our house, from using an oscilloscope and hand tools, to being allowed to drive the tractor, learning how to set spark plugs and change a timing belt, swapping out alternators, building a computer and soldering circuit paths on to an early motherboard .