
The SciencesMarch 12, 2021
Ketchup Is Not Just a Condiment: It Is Also a Non-Newtonian Fluid
Everybody’s favorite red sauce may be thin or thick, depending on how it is handled
H. Joachim Schlichting is the former director of the Institute for Didactics of Physics at the University of Münster in Germany. He has been writing about everyday physical phenomena for Spektrum der Wissenschaft since 2009.

Ketchup Is Not Just a Condiment: It Is Also a Non-Newtonian Fluid
Everybody’s favorite red sauce may be thin or thick, depending on how it is handled