What makes the pitch drop experiment so fascinating is not just that a substance that looks solid can take years to form a ...

At the University of Queensland, there is a display containing the longest-running laboratory experiment in the world. It's been going for so long that two of its custodians have died before seeing ...

In 1927, a researcher at the University of Queensland in Australia began what's widely recognized as the longest-running experiment ever, the so-called "pitch drop." It's a simple set up: fill a flask ...