Learn · TED

Talk5 min

Why is ketchup so hard to pour?

George Zaidan · TED

Watch At TED

About

Ever go to pour ketchup on your fries...and nothing comes out? Or the opposite happens, and your plate is suddenly swimming in a sea of red? George Zaidan describes the physics behind this frustrating phenomenon, explaining how ketchup and other non-Newtonian fluids can suddenly transition from solid to liquid and back again. [Directed by TOGETHER, narrated by George Zaidan].

The talk

  1. Why is ketchup so hard to pour? 5 min · TED's player

Credits and licence

Institution
TED
Department
TED-Ed
Speaker
George Zaidan
Year
2014
Level
For everyone
Language
English
Subjects
Physics
Source
TED
Licence
CC BY-NC-ND 4.0, as TED states it. Non-commercial use only, and no changed versions. TED's terms
Attribution
TED Talks are licensed by TED under Creative Commons BY-NC-ND 4.0 International and are shown here in TED's own player, as TED's usage policy asks.
Who can watch
TED gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed