Archivo: University of Queensland Pitch drop experiment-white bg

Description: Picture of the Pitch Drop Experiment at the University of Queensland, with 9-volt battery for size comparison
Title: University of Queensland Pitch drop experiment-white bg
Credit: This file was derived from  University of Queensland Pitch drop experiment.jpg: 
Author: University_of_Queensland_Pitch_drop_experiment.jpg: John Mainstone derivative work: Amada44
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