The professor who spent a half-century overseeing the world’s longest-running lab study, the Pitch Drop Experiment, has died of a stroke without ever observing the effect it was designed to measure.

Professor John Mainstone, the longtime custodian of the University of Queensland’s famous Pitch Drop experiment, has died after suffering a stroke. For more than 50 years, Professor Mainstone ...

Science professor John Mainstone died over the weekend at age 78. The Australian was overseer of what is said to be the world's longest running physics experiment. It was a flask with "pitch" or tar ...

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 Monday. John Mainstone ...

SCIENTISTS are no more immune from the hustle of modern life than anybody else. But some specialisations—astronomy, geology, evolutionary biology, to name just three—offer a broader perspective, ...

John Mainstone, former head of the department of physics at the University of Queensland, was custodian of the world's longest running laboratory experiment for 52 years. The Pitch Drop Experiment was ...

In 1927, physicist Thomas Parnell poured hot pitch into a funnel at the University of Queensland. In this context, “pitch” is a name or asphalt or bitumen, substances that appear solid at room ...

It is designed to show that the brittle pitch is in fact, a liquid. Progress is so slow that now, 86 years later, only the ninth drop is forming No-one has witnessed the drop including the scientist ...

Professor Thomas Parnell, who began the University of Queensland’s Pitch Drop Experiment in 1930. Grandparents bring their grandchildren to show them the experiment and reminisce about the drop ...