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Search results for fluid mechanics

General Âé¶¹ÒùÔºics Dec 3, 2021

Understanding mouthfeel of food using physics

Food texture can make the difference between passing on a plate and love at first bite. To date, most studies on food texture center on relating a food's overall composition to its mechanical properties. Our understanding ...

Soft Matter Nov 23, 2021

Two-meter COVID-19 rule is 'arbitrary measurement' of safety

A new study has shown that the airborne transmission of COVID-19 is highly random and suggests that the two-meter rule was a number chosen from a risk 'continuum', rather than any concrete measurement of safety.

Soft Matter Nov 19, 2021

New tracking method in high-powered jet engines paves the way for optimal combustion

Have you ever experimented with food dye? It can make cooking a lot more fun, and provides a great example of how two fluids can mix together well—or not much at all.

Optics & Photonics Nov 18, 2021

Researchers fabricate complex optical components from fluids

Researchers have developed a way to create freeform optical components by shaping a volume of curable liquid polymer. The new method is poised to enable faster prototyping of customized optical components for a variety of ...

Soft Matter Nov 17, 2021

Plastic shields could be answer to COVID risk for motorbike taxis

Affordable plastic shields reduce the risk of COVID-19 infection for passengers on motorcycle taxis popular in many developing countries—offering an economic lifeline for drivers during any future waves of the pandemic, ...

Soft Matter Nov 10, 2021

The future of face masks

Building better air filters could help head off the next pandemic. At the 74th Annual Meeting of the APS Division of Fluid Dynamics, scientists will present the latest results on how future face masks may work, what happens ...

General Âé¶¹ÒùÔºics Nov 10, 2021

How to COVID-proof the grocery line, classroom, and orchestra

Despite effective vaccines, it has become clear that SARS-CoV-2 will not fully disappear anytime soon. At the 74th Annual Meeting of the APS Division of Fluid Dynamics, physicists and engineers will present innovative ways ...

Earth Sciences Nov 9, 2021

First global river database documents 40 years of change

A first-ever database compiling movement of the largest rivers in the world over time could become a crucial tool for urban planners to better understand the deltas that are home to these rivers and a large portion of Earth's ...

General Âé¶¹ÒùÔºics Nov 8, 2021

Why teapots always drip

The "teapot effect" has been threatening spotless white tablecloths for ages: if a liquid is poured out of a teapot too slowly, then the flow of liquid sometimes does not detach itself from the teapot, finding its way into ...

Plants & Animals Nov 5, 2021

Deep-sea sponge a mechanical marvel of nature

The Venus's flower basket sponge could inspire the buildings, bridges and even aircraft of tomorrow, thanks to its performance under pressure and ability to go with the flow—literally.

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