In that year, the first Professor of Physics at UQ filled a funnel full with pitch, then 3 years later in 1930 (after it had settled), started it dripping to show that pitch, though it appears to be a solid at room temperature, is actually a very viscous, very slow flowing liquid.
Since the flow was started in 1930, only 8 drops have dripped. The 9th is currently hanging, with 3 webcams trained on it, so the whole world can check on it's progress.
The full story, along with a link to the live webcam can be found on the University of Queenland's website here:
http://smp.uq.edu.au/content/pitch-drop-experiment
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