If you’ve ever whacked the bottom of a ketchup bottle to get that tasty tomato goop flowing, you’ve put some serious physics to work. Ketchup is a non-Newtonian fluid. So are toothpaste, yogurt, ...

In a study published in Physics of Fluids, the researchers used the Navier-Stokes equations—the bedrock math of fluid flows—and a few experiments to investigate the behavior of thin liquid films that ...

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Cracked it: Fluid-based screen protectors need to absorb an impact as the system deforms. New research shows that simplifying the geometry of the system can be used to optimize the fluid. (Courtesy: ...