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 ...
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, ...
A new device helps scientists measure lava viscosity during active flows. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.