January 26, 2012
The world’s longest running lab experiment has been going for 85 years

iheartchaos:

In 1927, Thomas Parnell started the pitch-drop experiment to demonstrate to his students that pitch, a derivative of coal so brittle it can be shattered with a hammer, is actually a highly viscous fluid. And for 85 years, Parnell’s pitch has been dropping through a funnel at a rate of about one drop every eight or nine years.

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8:27pm  |   URL: http://tmblr.co/ZAwwKyFRHEFM
(Notes: 59)
  
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    longest experiment. That would...Prof. Beal in Michigan State University.
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