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Search results for fluid mechanics

Optics & Photonics Jan 19, 2022

Researchers use electrically responsive fluid to make eye-like adaptive lens

Researchers have developed an adaptive liquid lens based on a new electrically responsive fluid called dibutyl adipate (DBA) that changes focal length when a voltage is applied. The lens is lightweight, compact and simple ...

Materials Science Jan 12, 2022

Bioinspired veins provide structure, transport fluids in foamed polymers

Many lessons learned in life are learned from trees. Stand firm. Good things take time. Bend, don't break. But metaphors aside, our stately arboreal neighbors offer a wealth of scientific wisdom—and we have a lot to learn.

Soft Matter Jan 10, 2022

Breakthrough metals research has implications for the metal casting industry

Florida Tech professor emeritus Martin Glicksman's latest metals/materials science research has implications for the metal casting industry, but it also has a profound personal connection inspired by two late colleagues.

Soft Matter Jan 5, 2022

Heat conduction is important for droplet dynamics

For driving in the rain, it's preferable that the raindrops roll or bounce off the windshield instead of coating it or even freezing. A team of engineers in the McKelvey School of Engineering at Washington University in St. ...

Astronomy Jan 3, 2022

Liquid-metal experiment provides insight into the heating mechanism of the sun's corona

Why the sun's corona reaches temperatures of several million degrees Celsius is one of the great mysteries of solar physics. A "hot" trail to explain this effect leads to a region of the solar atmosphere just below the corona, ...

Soft Matter Dec 23, 2021

The mystery of the small dimensionless number with a big effect

Non-dimensional numbers may sound like a scary, incomprehensible term reserved for scientists in a laboratory, but you have more experience with them than you know. The Mach number measures the speed of an object relative ...

Nanophysics Dec 22, 2021

Tuning a magnetic fluid with an electric field creates controllable dissipative patterns

Researchers at Aalto University have shown that a nanoparticle suspension can serve as a simple model for studying the formation of patterns and structures in more complicated non-equilibrium systems, such as living cells. ...

Cell & Microbiology Dec 22, 2021

Researchers identify mechanism that explains how tissues form complex shapes that enable organ function

From the smooth tubes of our arteries and veins to the textured pockets of our internal organs, our bodies are made of tissues arranged in complex shapes that aid in performing specific functions.

General Âé¶¹ÒùÔºics Dec 22, 2021

Trapping vortices in thin superfluid films

Âé¶¹ÒùÔºicists at the University of Queensland have shed light upon how tiny whirlpools (vortices) get stuck to obstacles in superfluids.

Earth Sciences Dec 10, 2021

Faults in oceanic crust contribute to slow seismic waves

The natural structure of the rigid oceanic crust that forms a shell around Earth contains cracks and faults. These fissures are hydrothermal pathways for heat, water, and chemical solutions to move between the ocean and the ...

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