![]() Since the pitch drop experiment began in 1930 no one has ever seen the pitch actually drop. The stem of the eighth drop was buckling and breaking, the time-lapse was revealing that the ninth drop’s descent was accelerating and there was still the goal of being the first person in history to witness a drop of pitch come to its end. At the start of 2012 I arranged for a video camera to record the pitch drop experiment and make a time-lapse video so that it would be possible to actually see the pitch falling.īy mid-2013 it became apparent that the ninth drop wasn’t going to actually drop – rather it was going to make a gentle touchdown.Īlthough it was disappointing knowing that the ninth drop wasn’t going to fall, the pitch drop was still providing new insights. Such is the nature of science that more spanners were found to have been thrown in the works. ![]() But this didn’t help solve unanswered questions as the experimental conditions had changed – the ninth drop was being supported by the eighth. Rather than altering the experiment, Professor John Mainstone – the pitch drop’s second custodian – thought it best to leave the pitch drop as Professor Parnell had created it to see what would happen.Īfter a decade it was apparent that the ninth drop was bigger and falling slower than the first seven drops. It was hoped that the ninth drop might shed some light on this puzzle, but as the ninth drop began to descend it ran into the tail of the eighth drop sitting in the beaker below. University of Queensland, Author provided Professor John Mainstone with the eighth drop forming in 1990.
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