(Phys.org) —There were high hopes of using carbon nanotubes, particularly for ultra-fast water transport to desalinate seawater. However, a simulation now reveals that these ultra-fast transport rates might have not been ...
Nanophysics
May 28, 2013
3
0
If you've ever eaten food while upside down - and who hasn't indulged this chimpanzee daydream? - you can thank the successive wave-like motions of peristalsis for keeping the chewed bolus down and ferrying it into your stomach. ...
Soft Matter
May 10, 2016
2
14
Researchers from University of Tsukuba investigated the propulsion mechanism by visualizing water flow around a swimmer during underwater dolphin-kick swimming in a water channel via particle image velocimetry. Their findings ...
General Physics
Mar 12, 2024
0
18
Interest in developing alternative energy sources is driving the consideration of a promising technology that uses underwater turbines to convert ocean tidal flow energy into electricity.
Engineering
Nov 28, 2010
3
0
Penguins that face the bitter cold and icy winds of Antarctica often huddle together in large groups for warmth during storms. Mathematicians at the University of California, Merced created a model of penguin huddles that ...
Mathematics
Nov 16, 2012
0
0
For the kinds of animals that are most familiar to us—ones that are big enough to see—it's a no-brainer: Is it better to sit around and wait for food to come to you, or to move around and find it? Larger animals that ...
Mathematics
Nov 1, 2012
2
0
Cancer cells migrate through the body for multiple reasons; some are simply following the flow of a fluid, while others are actively following specific chemical trails. So how do you determine which cells are moving and why? ...
Cell & Microbiology
Jan 19, 2023
0
44
By combining detailed chemical measurements in the deep ocean, in the oil slick, and in the air, NOAA scientists and academic colleagues have independently estimated how fast gases and oil were leaking during the 2010 Deepwater ...
Environment
Jan 9, 2012
0
0
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
(Phys.org) —Anyone who has flown in an airplane knows about turbulence, or when the flow of a fluid—in this case, the flow of air over the wings—becomes chaotic and unstable. For more than a century, the field of fluid ...
General Physics
Apr 30, 2013
0
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