Researchers from Tokyo Metropolitan University have studied how microswimmers, like bacteria or sperm, swim through fluids with both solid and liquid-like properties, e.g., gels. They found that subtle changes in a swimmer's ...
High-performance computing resources and data-driven machine learning help University of Stuttgart researchers model how coal, nuclear and geothermal power plants could be retrofitted for cleaner, safer, and more efficient ...
An everyday occurrence spotted when we turn on the tap to brush our teeth has baffled engineers for centuries—why does the water splay when it hits the sink before it heads down the plughole?
Swimming bacteria can reduce the viscosity of ordinary liquids like water and make them flow more easily, sometimes down to the point where the viscosity becomes zero: the flow is then frictionless.
Atomizing liquids is vital to fuel-air mixing. Using oscillating liquid streams, breakup and drop formation can be improved compared to common straight jets. But the many dynamic interactions make it difficult for scientists ...
Researchers from Tokyo Metropolitan University have observed the formation of holes that move by themselves in droplets of ionic liquids (IL) sitting inside water-ethanol mixtures. This complex phenomenon is driven by an ...
Blood spatter can provide a lot of informanulltion to an investigator at a crime scene. Unfortunately, current methods do not tell the whole story. UIC Distinguished Professor Alexander Yarin and his colleagues have shown ...
Many fish species swim in schools and birds fly in flocks. Such collective behaviour must arise from the interactions between the animals. How it works was largely unclear. Now, two Wageningen-researchers provide important ...
You may never have heard of the capillary effect, but it's something you deal with every time you wipe up a spill or put flowers in water. Wouter van der Wijngaart has spent most of his life contemplating this phenomenon, ...
Each time a blood vessel splits into smaller vessels, red blood cells (RBCs) are presented with the same decision: Take the left capillary or the right. While one might think RBCs would divide evenly at every fork in the ...
A research team from the Research Institute of Mechanics, MSU together with a colleague from the Center of New Space Technologies, MAI described the behavior of a liquid sheet propagating in open space. The results of the ...
Lucio Isa and his team of researchers have explained how the surface characteristics of microspheres affect rapid increases in the viscosity of suspensions, thus laying the groundwork for applications such as smoothly flowing ...
Crescent dunes and meandering rivers can "forget" their initial shapes as they are carved and reshaped by wind and water while other landforms keep a memory of their past shape, suggests a new laboratory analysis by a team ...
A group of scientists from MSU, Frumkin Institute of Physical Chemistry and Electrochemistry of the Russian Academy of Sciences, and Juelich Research Center have described the mechanism of appearance of an inertial lift force ...
The shape of water. Can it tell us about what drives romance? Among fish, it might. Eva Kanso, a professor of Aerospace and Mechanical Engineering at the USC Viterbi School of Engineering studies fluid flows and almost like ...
Now scientists have shown that when the objects are squishy instead of solid, the reverse is true. The journal Physical Review E published the findings by physicists at Emory University, demonstrating that when soft particles ...
On your next stroll through the woods, take a look at the dew droplets hanging from the leaves. If you see moisture on a cypress or juniper tree with their distinct bifurcated leaves, you'll likely see those water droplets ...
Scraped up knees and elbows are tricky places to securely apply a bandage. More often than not, the adhesive will peel away from the skin with just a few bends of the affected joint.
Rice University scientists have discovered what may be the simplest form of locomotion in the travels of micron-scale particles linked and driven by a magnetic field.
In a jet engine, the flow of air is slowed down to increase the temperature and pressure for combustion—burning fuel with the right ratio of fuel and air to conquer drag allows for acceleration.
Bioreactors are widely used to produce different therapeutics in the biopharmaceutical and regenerative medicine industries. Drug development relies on small multi-well plates shaken around an orbital diameter, while production-scale ...
A day at the beach beset by heavy clouds, or the sticky heat of a salty haze can seem like the work of large, unpredictable forces. But behind such atmospheric phenomena are billions of tiny interactions between the air and ...
Whether a fluid is flowing through household plumbing or industrial oil and gas pipelines, when it runs slowly its flow is smooth, but when it runs quickly its flow is more chaotic.
Researchers at Swansea University's Complex Flow Lab have been exploring the intricate shapes that emerge when air is injected into soil. Published in Physical Review Applied, these findings could one day be used to speed ...
An algorithm that improves simulations of turbulent flows by enabling the accurate calculation of a parameter called skin friction has been developed by KAUST researchers in collaboration with researchers at the California ...
Researchers from Tokyo Metropolitan University, have recently discovered unusual thermal convection in a uniform mixture of high- and low-viscosity liquids. Kobayashi and Kurita found that concentration fluctuations are enhanced ...
Dr Martin Sweatman from the University of Edinburgh's School of Engineering has discovered a simple physical principle that might explain how life started on Earth.
Researchers have developed a water cloaking concept based on electromagnetic forces that could eliminate an object's wake, greatly reducing its drag while simultaneously helping it avoid detection.
Researchers from the University of Queensland and Monash University in collaboration with ANSTO scientists have clarified how behaviour of tailorable nanoscale emulsions (TNEs) interact with their targets is directed by the ...
One of the most prominent publications in physics, Physical Review X, accepted an article by Sangwoo Shin, a University of Hawaiʻi at Mānoa assistant professor in mechanical engineering. The article is titled Accumulation ...
A vortex in the atmosphere can churn with enough power to create a typhoon. But more subtle vortices form constantly in nature. Many of them are too small to be seen with the naked eye.
Rhythmic patterns and precise motions—these are key elements of proper swimming. Olympians demonstrate repeated patterns of breathing, with synchronized head, leg and arm movements, enthralling spectators and provoking ...
An engineered string of micronwide beads may take up the slack where computer modeling fails researchers who study the bending, folding and other movements of polymers or biomolecules like actin and DNA.
Phenomena involving surface tension are extremely complex and have applications in our everyday lives, and OIST researchers are tackling the complicated mathematics behind the physics.
University of Chicago physicists working in the nascent field of experimental vortex dynamics have, with unexpected help from a Sharpie marker, achieved the first measurements of an elusive but fundamental property of fluid ...
Brandon Jackson, a doctoral candidate in mechanical engineering at Michigan Technological University, has created a new computational model of an electrospray thruster using ionic liquid ferrofluid—a promising technology ...
Imagine walking from one side of a swimming pool to the other. Each step takes great effort—that's what makes water aerobics such effective physical exercise.
Ocean circulation patterns have a profound effect on global climate. Waves deep within the ocean play an important role in establishing this circulation, arising when tidal currents oscillate over an uneven ocean bottom. ...
When you think of turbulence, you might think of a bumpy plane ride. Turbulence, however, is far more ubiquitous to our lives than just air travel. Ocean waves, smoke from fire, even noise coming from jet engines or wind ...
Bombing raids by Allied forces during the Second World War not only caused devastation on the ground but also sent shockwaves through Earth's atmosphere which were detected at the edge of space, according to new research. ...
After decades of conflicting evidence and numerous publications, scientists at international conservation charity ZSL's (Zoological Society of London) Institute of Zoology, have finally put the 'world's largest bird' debate ...
A unique combination of imaging tools and atomic-level simulations has allowed a team led by the Department of Energy's Oak Ridge National Laboratory to solve a longstanding debate about the properties of a promising material ...
Recently, a research team led by Maurizio Pellecchia at the University of California, Riverside, discovered a way for chemotherapy drug paclitaxel to target migrating, or circulating, cancer cells, which are responsible for ...
The US administration called Tuesday for public comments on a "new approach to consumer data privacy" that could trigger fresh regulations of internet companies.
Data from NASA's Cassini spacecraft has revealed what appear to be giant dust storms in equatorial regions of Saturn's moon Titan. The discovery, described in a paper published on Sept. 24 in Nature Geoscience, makes Titan ...
A new study, led by UNSW Sydney Ph.D. student Rose O'Dea, has explored patterns in academic grades of 1.6 million students, showing that girls and boys perform very similarly in STEM—including at the top of the class.
Octopuses are the undisputed darlings of the science internet, and for good reason. They're incredibly intelligent problem-solvers and devious escape artists with large, complex nervous systems. They have near-magical abilities ...
While a warming climate in recent decades may be a factor in the waning of some local populations of frogs, toads, newts and salamanders, it cannot explain the overall steep decline of amphibians, according to researchers.
Mountaintop removal, a coal-mining technique used in much of Central Appalachia, is an extreme form of surface mining, that excavates ridges as deep as 600 feet—twice the length of a football field—and buries adjacent ...
In any seemingly quiet pond the still waters actually teem with tiny pond dwellers called Euglena gracilis. Unseen to the naked eye, the single-celled organism spirals through the water, pulled along a relatively straight ...
A team of researchers at the University of Delaware's Center for Catalytic Science and Technology (CCST) has discovered a novel two-step process to increase the efficiency of carbon dioxide (CO2) electrolysis, a chemical ...
When it comes to changing their passwords, bacteria are just as bad as you and me—maybe even worse. A Carnegie Mellon University research team has found that despite 2.7 billion years of evolution, bacteria are still using ...
More than 26,000 years ago, sea level was much lower than it is today partly because the ice sheets that jut out from the continent of Antarctica were enormous and covered by grounded ice—ice that was fully attached to ...
A team of astronomers led by Coryn Bailer-Jones of the Max Planck Institute for Astronomy has tracked the interstellar object 'Oumuamua to several possible home stars. The object was discovered in late 2017 – this was the ...
With the right public infrastructure investment, the United States could as much as double the amount of carbon dioxide emissions currently captured and stored worldwide within the next six years, according to an analysis ...
Researchers at the University of Illinois at Chicago have discovered a route to alter boron nitride, a layered 2-D material, so that it can bind to other materials, like those found in electronics, biosensors and airplanes, ...
On a recent expedition to the remote Brazilian archipelago of St. Paul's Rocks, a new species of reef fish—striped a vivid pink and yellow—enchanted its diving discoverers from the California Academy of Sciences. First ...
The ears of male mosquitoes amplify the sound of an approaching female using a self-generated phantom tone that mimics the female's wingbeats, which increases the ear's acoustic input by a factor of up to 45,000, finds a ...
Scientists at Radboud University discovered a new mechanism for magnetic storage of information in the smallest unit of matter: a single atom. While the proof of principle was demonstrated at very low temperatures, this mechanism ...
A longer-lasting, higher-efficiency platinum catalyst has been developed by a Dalhousie University-led team, a result with major implications for the automobile industry.
Bioscience engineers at KU Leuven, Belgium, already knew how to make gasoline in the laboratory from plant waste such as sawdust. Now, the researchers have developed a road map, as it were, for industrial cellulose gasoline.
Google unveiled changes Monday aimed at making the leading search engine more visual and intuitive to the point that it can answer questions before being asked.
What if improving academic performance in some of the nation's most disadvantaged and lowest-achieving schools was as easy as planting trees in the schoolyard? It's not that simple, of course, but a new study from the University ...
A team of researchers from MIT, the Max-Born-Institut, Technische Universität Berlin and Deutsches Elektronen-Synchrotron (DESY) has found that using ferrimagnets instead of ferromagnets could theoretically speed up spintronics ...
The end of the baking hot summer is a forceful reminder of what the climate could hold in store for us in the future. Between April and August of this year, rainfall in Eastern Switzerland was lower than has ever been recorded. ...
A team of researchers with members from the University of Oslo and the Norwegian Institute for Cultural Heritage Research has conducted a genetic analysis of the bacteria that causes relapsing fever obtained from 15th century ...
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