The Sciences

A Drop of Goo Becomes World Famous

After nearly seven decades, the tar pitch experiment captures its quarry.

By Breanna DraxlerJan 30, 2014 11:43 AM
tar-pitch.jpg
The pitch drops in slow motion in these frame captures from Shane Bergin's time-lapse video. | Shane Bergin/Trinity College Dublin

Newsletter

Sign up for our email newsletter for the latest science news
 

Sixty-nine years ago, a demonstration began at Trinity College Dublin to show that tar pitch, which looks like a glossy black rock, actually flows. The thick goop, with a viscosity 2 million times that of honey, dripped unseen from the tip of a funnel about once a decade — but last year, physics professor Shane Bergin finally caught it on camera. His time-lapse video garnered more than a million views from geeks around the globe.

[This article originally appeared in print as "A Drop of Goo Becomes World Famous."]

1 free article left
Want More? Get unlimited access for as low as $1.99/month

Already a subscriber?

Register or Log In

1 free articleSubscribe
Discover Magazine Logo
Want more?

Keep reading for as low as $1.99!

Subscribe

Already a subscriber?

Register or Log In

More From Discover
Recommendations From Our Store
Shop Now
Stay Curious
Join
Our List

Sign up for our weekly science updates.

 
Subscribe
To The Magazine

Save up to 70% off the cover price when you subscribe to Discover magazine.

Copyright © 2022 Kalmbach Media Co.