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, ...

Have you ever turned a liquid into a solid just by tapping on it? Watch this fun video and learn how to conduct a viscosity experiment at home with a few simple steps! Click here to download a PDF of ...

Although water’s shear viscosity is important in accurate molecular dynamics modeling, the results from two popular water models differ from those of actual experiments by as much as 20%. In a recent ...