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Image of The Pitch Drop Experiment located in Brisbane, Australia
Brisbane, Australia

The Pitch Drop Experiment

Begun 82 years ago, this science experiment keeps on going, ever so slowly

Begun in 1927 by Professor Thomas Parnell, this experiment was meant to reveal the surprising properties of an everyday material: pitch. Pitch is the name of a number of hard tar-like substances... »

Instruments of Science | Edited by Dylan, michelle and 2 others