Ultraviolet (UV) water disinfection reactors employ UV light to inactivate pathogenic microorganisms by damaging their nucleic acids, thereby preventing replication. The growing application of ...

A watched pot never boils, goes the old saying, but many of us have at least kept an eye on the pot, waiting for the bubbling to start. It's satisfying to finally see the rolling boil, behind which ...

We are living in a world surrounded by liquid and flow, and understanding the principles that govern its movement is vital in our high-tech world. Through mathematical modeling and experimentation, ...

Behavior of a spherical capsule in a pulsatile flow. A single capsule moving in the direction of the flow is superimposed. Fukuoka, Japan—As you read this sentence, trillions of cells are moving ...

The key to pouring water very quietly from a teapot is not just holding the spout close to the cup, but creating a perfectly smooth stream of liquid. Mouad Boudina at Seoul National University in ...

Researchers show mechanics of how drag on a partially submerged object may be several times greater than drag on a fully submerged object made of the same material. One of the most common and ...

The next time you go to the zoo, take a few minutes by the sea lion habitat to watch the way they swim. While most high-performance swimmers use powerful kicks from hind appendages to power through ...

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 ...

As you read this sentence, trillions of cells are moving around in your body. From the red blood cells being pumped by your heart, to the immune cells racing across your lymphatic system, everything ...