Realistic prediction of the characteristics of the elastohydrodynamic lubrication (EHL) contact requires consideration of the appropriate constitutive equation for the lubricant. In many applications, ...

In things thick and thin: Physicists now explain how fluids -- such as paint or paste -- behave by observing how micron-sized suspended particles dance in real time. Using high-speed microscopy, the ...

What do paint, dishwasher detergent, ketchup and blood have in common? All are composed of particles suspended in a carrier liquid and flow when stirred or forced, but remain thick or even gel-like at ...

Shane Keating does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Frogs capture prey using shear-thinning saliva that spreads over insects when the tongue hits and then thickens and sticks when the tongue retracts – according to researchers in the US. In combination ...

It's one of mankind's most pressing mysteries. How can ketchup seem solidly stuck to the bottom of a bottle, then squirt copiously on to your chips as soon as you give it a squeeze? Now a team of ...

Rheometry is the method used to analyze the rheological behavior of a material; with rheology defined as the study of matter when it flows or is deformed. As a result rheology describes forces and ...