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What is the worlds longest running lab experiment?

Posted by Rick Paulino on Oct 3, 2017, 4:00:00 AM

In Fun with Viscosity

Back in 1927, Australia’s University of Queensland physicist Thomas Parnell started what is now recognized by the Guinness Book of World Records as the longest running lab experiment. Dr. Parnell wanted to examine the viscosity of pitch, a tar like substance, by observing the speed at which it flows from a funnel into a jar. Since the pitch was first poured in 1927, only nine drops have fallen, with the last one occurring in April 2014.

This long running experiment has applications that remain relevant to high viscosity polymers and liquids seen in today’s applications. One such application is in 3D inks which can have viscosities greater than 50,000cP.

https://www.livescience.com/7102-world-longest-running-experiments.html

Image credit: Image reposted from https://www.livescience.com/7102-world-longest-running-experiments.html

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*Image is not a part or associated with RheoSense, Inc.