Oil droplets can be made to act like predators, chasing down other droplets that flee like prey. The behavior, which is controlled by chemical signaling produced by the droplets, mimics behavior seen among living organisms ...
Soft Matter
Nov 18, 2020
1
86
If you have ever shaken a salad dressing bottle mixed with oil and vinegar, you have temporarily created an emulsion. However, that state is temporary, and the two components soon separate. But, what if you could create a ...
Materials Science
Nov 13, 2020
0
20
Many people wear masks in public to slow the spread of COVID-19, as recommended by the Centers for Disease Control and Prevention (CDC). However, masks with exhalation valves do not slow the spread of the disease, and now, ...
Soft Matter
Nov 10, 2020
3
1909
Ultraviolet nanoimprint lithography (UV-NIL) is a manufacturing technique for producing nanostructures using UV-curable resin. One of its main advantages is its sheer simplicity; UV-NIL essentially consists of pouring a liquid ...
Nanomaterials
Nov 9, 2020
0
6
Bonfire Night celebrations contaminate our air with hugely elevated amounts of soot, scientists have found.
Environment
Nov 5, 2020
0
133
The ongoing COVID-19 pandemic has led many researchers to study airborne droplet transmission in different conditions and environments. The latest studies are starting to incorporate important aspects of fluid physics to ...
Soft Matter
Nov 3, 2020
0
633
In the pandemic, people wear face masks to respect and protect others—not merely to protect themselves, says a team of Northwestern University researchers.
Materials Science
Oct 29, 2020
0
123
As the ice in the clouds melts into droplets, they reflect more sunlight. But in the end there is no more ice left to melt.
Earth Sciences
Oct 27, 2020
2
104
It's widely known that thick, viscous liquids—like honey—flow more slowly than low-viscosity liquids, like water. Researchers were surprised to find this behavior flipped on its head when the liquids flow through chemically ...
Soft Matter
Oct 16, 2020
3
607
Droplets of fat inside our cells are helping the body's own defence system fight back against infection, University of Queensland researchers have discovered.
Cell & Microbiology
Oct 16, 2020
0
219
