• CUSTODIAN OF WORLD’S LONGEST RUNNING EXPERIMENT DIES

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    SYDNEY: The science professor who oversaw the world’s longest running laboratory test—the Pitch Drop Experiment—has died after more than half a century on its watch, his university said on Monday. John Mainstone, the former head of the Department of Physics at the University of Queensland, was in charge of the experiment, which demonstrated the fluidity and viscosity of pitch, a tar derivative once used to waterproof boats. The experiment, established in 1927 by Prof. Thomas Parnell, was designed to show that pitch, although it feels solid and can be shattered by a hammer blow at room temperature, acts like a fluid and flows through a glass funnel over time.

    AFP

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