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

Shear thickening fluids are dense suspensions that exhibit a striking increase in viscosity when subjected to applied stress or shear rate. At rest or under gentle flow these materials behave like low ...

Researchers are using ultrasonic waves to manipulate the viscosity of shear-thickening materials, turning solids to slush -- and back again. Researchers are using ultrasonic waves to manipulate 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 ...

Shear thickening – the increase of a liquid's viscosity through applied force – is a well-known phenomenon. Mix equal parts corn starch and water and you come up with "Oobleck," a liquid that turns ...

New research by NIST and Georgetown scientists deciphers the mechanisms that cause the materials to switch between liquid and solid in response to stress. Oobleck's name is borrowed from a Dr. Seuss ...

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, ...

It expands, it contracts, it gets stronger, it lets up — it reacts to changing conditions in formidable and comfortable ways. And the adventures of shear-thickening fluid, invented by University of ...

Eric Wetzel of the U.S. Army Research Laboratory and Norman Wagner, professor at the University of Delaware Center for Composite Materials, have worked on armor technology for a decade. One material ...

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