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Blood flows could be more turbulent than previously expected

Blood flow in the human body is generally assumed to be smooth due to its low speed and high viscosity. Unsteadiness in blood flow is linked to various cardiovascular diseases and has been shown to promote dysfunction and ...

Double bubbles pierce with less trouble

Two microscopic bubbles are better than one at penetrating soft materials, concludes a new study by engineers at the University of California, Riverside.

Bubble dynamics reveal how to empty bottles faster

Bottle emptying is a phenomenon most of us have observed while pouring a beverage. Researchers from the Indian Institute of Technology Roorkee discovered how to make bottles empty faster, which has wide-ranging implications ...

Researchers unveil the universal properties of active turbulence

Turbulent flows are chaotic yet feature universal statistical properties.Over the recent years, seemingly turbulent flows have been discovered in active fluids such as bacterial suspensions, epithelial cell monolayers, and ...

Models explain changes in cooking meat

Meat is no ordinary solid. Made up of complex networks of moisture-saturated proteins, it displays some intriguing physical properties when it is cooked. Several studies in the past have attempted to recreate this behaviour ...

Superfuids may merge via corkscrew mechanism

Scientists at the Florida State University-headquartered National High Magnetic Field Laboratory have made a discovery in fluid dynamics that is truly worth uncorking a bottle of fine wine.

Jets of bacteria carry microscopic cargo

It is a longstanding challenge to be able to control biological systems to perform specific tasks. In a paper published in Nature Physics, researchers at the Niels Bohr Institute, University of Copenhagen, in collaboration ...

Water-balloon physics is high-impact science

Water balloons may seem like a trivial matter. A toy for mischievous kids in summer. But for scientists, the behavior of balls of liquid wrapped in a thin elastic membrane is critical to everything from understanding blood ...

Distortion isn't a drag on fluid-straddling particles

Some intriguing physics can be found at the interfaces between fluids, particularly if they are straddled by particles like proteins or dust grains. When placed between un-mixable fluids such as oil and water, a variety of ...

Rethinking a century of fluid flows

In 1922, English meteorologist Lewis Fry Richardson published Weather Prediction by Numerical Analysis. This influential work included a few pages devoted to a phenomenological model that described the way that multiple fluids ...

Simulations show effects of buoyancy on drift in Florida Current

Acquiring a better understanding for how objects drift in the ocean has importance for a wide range of uses, like tracking algae, predicting the locations of wreckage and debris and better focusing how to clean up ocean litter. ...

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