Turbulence makes many people uneasy or downright queasy. And it's given researchers a headache, too. Mathematicians have been trying for a century or more to understand the turbulence that arises when a flow interacts with ...
General Physics
Nov 16, 2021
0
687
Han and Leia. George and Amal. Kermit and Miss Piggy. Gomez and Morticia. History's greatest couples rely on communication to make them so strong their power cannot be denied.
Optics & Photonics
Oct 22, 2021
0
120
As the highly infectious delta variant of the coronavirus continues to spread across the United States, guidelines from the Centers for Disease Control and Prevention recommend even the vaccinated wear masks indoors to prevent ...
Soft Matter
Oct 12, 2021
1
833
Certain groupings of bacteria or cellular tissues form systems that are called active fluids. These can flow spontaneously without having to be forced from the outside, since their components are able to generate forces and ...
Soft Matter
Oct 11, 2021
0
1037
On 14 July 2021, between 60 and 180 mm of rain fell in the Eifel region in just 22 hours—an amount that would otherwise have fallen in several months and which led to catastrophic flooding. The events were far more destructive ...
Earth Sciences
Sep 20, 2021
0
84
Whether it's heart murmurs and pipeline transport of oil, or bumpy airplanes and the dispersal of pollutants, turbulence plays an important role in many everyday events. But despite being commonplace, scientists still don't ...
General Physics
Sep 17, 2021
0
269
Turbulence is everywhere—in the movement of the wind, the ocean waves and even magnetic fields in space. It can also be seen in more transient phenomena, like smoke billowing from a chimney, or a cough.
Soft Matter
Aug 26, 2021
2
1245
Ozone plays a vital role in Earth's climate system. In the stratosphere, which begins about six miles (9.7 kilometers) off the ground, ozone protects the planet from harmful ultraviolet radiation. Lower in the atmosphere, ...
Earth Sciences
Aug 10, 2021
0
5
When you pour cream into a cup of coffee, the viscous liquid seems to lazily disperse throughout the cup. Take a mixing spoon or straw to the cup, though, and the cream and coffee seem to quickly and seamlessly combine into ...
General Physics
Jul 8, 2021
0
8
Most sensible air travelers dread turbulence. A little atmospheric hiccup can shake airplanes, rattle nerves and spill beverages. A Cornell University-led study found that birds don't mind at all.
General Physics
Jun 15, 2021
0
17
