"This motivated us to search for a new law that could work for any type of fluid moving at any rate through a pipe of any size." Flows of liquids and gasses through pipes, tubes, and ducts occur in ...

A popular hypothesis for how the brain clears molecular waste, which may help explain why sleep feels refreshing, is a subject of debate. Encased in the skull, perched atop the spine, the brain has a ...

Microfluidics is an interdisciplinary field that combines principles from physics, chemistry, and engineering to create devices that can process and analyze minuscule volumes of liquids. Often, ...

Controlling the flow Vortex-induced heat backflow (top) in a simulated 2D graphite strip, compared with conventional heat flow (bottom). (Courtesy: 2026 THEOS EPFL CC BY SA) We are all familiar with ...

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, ...

Waves of cerebrospinal fluid which normally wash over brains during sleep can be made to pulse in the brains of people who are wide awake, a new study finds. The clear fluid may flush out harmful ...