Students will experiment with three different liquids to determine the relative viscosity and flow rate of each liquid. Mount Nyiragongo is a volcano in the Democratic Republic of the Congo, 18 ...

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, ...

Experiments using heavy crude oil samples from PetroChina's Shengli oil field show ultrasonic irradiation can reduce viscosity by up to 85%, enhancing oil recovery. Increasing production from the ...

What if a material that looks solid could actually flow… over nearly a century? Launched in 1927 by an Australian professor to illustrate viscosity, an experiment of disarming simplicity has become a ...

The important fact that liquid helium has a specific density p of about O.15, not very different from that of an ordinary fluid, while its viscosity μ is very small comparable to that of a gas, makes ...