page_title: Pitch drop experiment
hierarchical_section_title: Pitch drop experiment
caption_attribution_description: Picture of the Pitch Drop Experiment at the University of Queensland, with 9-volt battery for size comparison
context_page_description: A pitch drop experiment is a long-term experiment which measures the flow of a piece of pitch over many years. 'Pitch' is the name for any of a number of highly viscous liquids which appear solid, most commonly bitumen. At room temperature, tar pitch flows at a very low rate, taking several years to form a single drop.
context_section_description: A pitch drop experiment is a long-term experiment which measures the flow of a piece of pitch over many years. 'Pitch' is the name for any of a number of highly viscous liquids which appear solid, most commonly bitumen. At room temperature, tar pitch flows at a very low rate, taking several years to form a single drop.
caption: The University of Queensland pitch drop experiment, demonstrating the viscosity of bitumen.
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