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The Top 10 Largest Scale Science Projects of All Time

By Becky Ferreira Feb 26, 2013

3 of 11

The Pitch Drop Experiment

"Pitch" is a term for tar derivatives (pictured here), and it's the material used in an experiment that has been ongoing for almost a century! Physicist Thomas Parnell wanted to demonstrate the extraordinary properties of ordinary materials, and used pitch to show that solids can act as fluids over long periods of time. The pitch was put into a funnel, and over the course of many decades, it has dripped into its container 8 times (you can watch the ninth drop formingĀ here). Materials that may appear static in our timeframe tell a different story over longer time periods.

Tags: science, slideshows, life, space, science facts

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About the Author
Becky Ferreira

Becky Ferreira is a writer, performer, and raptor based in New York.

Wanna contact a writer or editor? Email contribute@sparknotes.com.

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