February 15, 2013

The Longest-Running Scientific Experiment

Quark Twain, Physics Central

AP Photo

The world's longest-running scientific experiment is about to drop into the headlines. For over 80 years, two physicists at the University of Queensland have been standing guard over the Pitch Drop Experiment. Now, the decade-awaited moment of truth is bearing down: a drop is about to fall.

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TAGGED: Experiments, Tar, Viscosity