Search results for fluids

Planetary Sciences Jun 6, 2024

NASA satellite images of cyclones on Jupiter reveal storms are fueled by processes similar to those on Earth

New research led by Lia Siegelman, a physical oceanographer at UC San Diego's Scripps Institution of Oceanography, shows that the roiling storms at the planet Jupiter's polar regions are powered by processes known to physicists ...

Plants & Animals Jun 5, 2024

Flapping frequency of birds, insects, bats and whales predicted with just body mass and wing area

A single universal equation can closely approximate the frequency of wingbeats and fin strokes made by birds, insects, bats and whales, despite their different body sizes and wing shapes, Jens Højgaard Jensen and colleagues ...

Space Exploration Jun 4, 2024

Space race heats up: Advanced electronics cooling systems for spacecraft

Spacecraft electronics operate under extreme conditions, facing issues like microgravity, thermal cycling, and space radiation. These factors necessitate robust thermal management solutions to maintain the functionality and ...

Astrobiology Jun 4, 2024

What impact does ozone have on an exoplanet?

As we discover more and more exoplanets—and the current total is in excess of 5,200—we continue to try to learn more about them. Astrobiologists busy themselves analyzing their atmospheres searching for anything that ...

Earth Sciences Jun 4, 2024

Researchers develop instrument to measure lava viscosity in the field

Millions of people live near active volcanoes that are constantly monitored for signs of an impending eruption. When one occurs, scientists and governments rely on data to estimate the extent of the possible damage, informing ...

Analytical Chemistry Jun 4, 2024

Experiments in weightlessness isolate classic diffusion phenomenon

For years, various models have been developed to describe an important class of mixing effects that occur, for example, in the flow in a chemical reactor. Experimental validation, however, has lagged far behind due to the ...

Polymers Jun 3, 2024

Researchers develop PFAS-free polymer membranes for semiconductor processing

Due to their stability and resistance to water and grease, PFAS chemicals (short for per- and polyfluoroalkyl substances) are used in a wide range industries, but they are harmful to health and the environment. Membranes ...

Soft Matter Jun 3, 2024

The unexpected connection between brewing coffee and understanding turbulence

In 1883, Osborne Reynolds injected ink into water in a short, clear pipe to observe its movement. His experiments showed that as the input water velocity increased, the flow went from laminar (smooth and predictable) to turbulent ...

Plants & Animals Jun 3, 2024

Pelicans are starving: Scientists might know why

There's a broken link in the food chain of California's brown pelicans, adding a sad chapter to one of conservation's most striking success stories.

Agriculture May 31, 2024

Scientists are testing mRNA vaccines to protect cows and people against bird flu

The bird flu outbreak in U.S. dairy cows is prompting development of new, next-generation mRNA vaccines—akin to COVID-19 shots—that are being tested in both animals and people.

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