Inside a combustion chamber, temperature fluctuations can cause sound waves that also disrupt the flow, in turn. This is called a thermoacoustic instability. In this video, researchers explore this process Keep reading
Tag: turbulence
How CO2 Gets Into the Ocean
Our oceans absorb large amounts of atmospheric carbon dioxide. Liquid water is quite good at dissolving carbon dioxide gas, which is why we have seltzer, beer, sodas, and other carbonated Keep reading
“Magic of the North”
Fires glow above and below in this award-winning image from photographer Josh Beames. In the foreground, lava from an Icelandic eruption spurts into the air and seeps across the landscape Keep reading
Soaring Through the Pillars of Creation
The Pillars of Creation are an iconic feature nestled within the Eagle Nebula. For decades, the public has admired Hubble’s images of this stellar nursery, and, in this video, we Keep reading
Ember Bursts Spread Wildfires
In a wildfire, a burst of embers lofted upward can travel far, starting a new spot fire when they land. Although large ember bursts only happen occasionally, researchers found that Keep reading
When Fires Make Rain
The intense heat from wildfires fuels updrafts, lifting smoke and vapor into the atmosphere. As the plume rises, water vapor cools and condenses around particles (including ash particles) to form Keep reading
Billowing Ouzo
Pour the Greek liquor ouzo into water, and your glass will billow with a milky, white cloud, formed from tiny oil droplets. The drink’s unusual dynamics come from the interactions Keep reading
“Ink In The Water. Mix One.”
In this ASMR video, black ink diffuses in water. When the video starts, the ink is so diffuse that it’s not apparent the video is playing backward. It’s only as Keep reading
Swirls of Green and Teal
Captured in March 2024, this satellite image of the Gulf of Oman comes from an instrument aboard the PACE spacecraft. The picture of a phytoplankton bloom is not quite natural-color, Keep reading
Measuring Microfibers in Turbulence
Microplastic pollution is on the rise, especially in waterways. Microfibers — millimeters in length but only microns in diameter — are especially prevalent, as they get washed out of synthetic Keep reading