Uncovering the optimization secrets of fish schools

Nature documentaries have long exploited the elegant swerves of massive schools of fish. Fish team up to more easily cut through the water and protect themselves from predators.

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 ...

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 ...

New ways for dynamical prediction of extreme heat waves

Over the past decade, several extreme heat waves and heat domes have had a catastrophic impact on society and the biosphere. In 2021, all regions of the northern hemisphere have been affected. In late June and July, we saw ...

Catching the fog as it rolls in for more fresh water

In the Namib desert—one of the driest places in the world—a tiny species of beetle climbs the dunes, leans its body toward the wind, and catches the only source of water it can: passing droplets of fog.

Integrating hot cores and cool edges in fusion reactors

Future fusion reactors have a conundrum: maintain a plasma core that is hotter than the surface of the sun without melting the walls that contain the plasma. Fusion scientists refer to this challenge as "core-edge integration." ...

Visualizing the microscopic world of fast ions in fusion devices

The U.S. scientific community is currently conceptualizing the first nuclear fusion power plants, which will revolutionize energy production. Like the sun and stars, a fusion power plant will produce energy by fusing light ...

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