The Pitch Drop has the Guinness World Record for the longest running lab experiment. In its 86 years, no one has seen a drop fall, but the 9th drop is set to go at any time. If you’re logged in to the Ninth Watch when the Pitch Drop falls, your name will make the official record and make history.
The Pitch Drop Experiment is listed in the Guinness Book of World Records as the world's longest-running laboratory experiment. Started by Professor Thomas Parnell in 1927 at the University of Queensland in Australia, the experiment demonstrates that even seemingly solid objects have some levels of viscosity and fluidity. Learn more about the experiment from their live cam website at the link in the image.
Guide to the Longest Running Scientific Experiments
:: The Pitch Drop Experiment - In 1927 Professor Parnell heated a sample of pitch and poured it into a glass funnel with a sealed stem. Three years were allowed for the pitch to settle, and in 1930 the sealed stem was cut. From that date on the pitch has slowly dripped out of the funnel - so slowly that now, 80 years later, the ninth drop is only just forming. ::