Running Since 1927, the World's Longest Lab Experiment Has Dropped Only 9 Drops of Solid-Looking Pitch
Pitch shatters like glass under a hammer, yet it is a fluid 230 billion times more viscous than water—dripping only 9 times inside its University of Queensland funnel.
Why / How?
Professor Thomas Parnell poured heated pitch into a sealed funnel in 1927 and cut the stem in 1930. Each droplet forms over roughly a decade; remarkably, no person has ever witnessed a drop actually falling live.