Current Viscosity News and Events

Current Viscosity News and Events, Viscosity News Articles.
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A new, clearer insight into Earth's hidden crystals
Geologists have developed a new theory about the state of Earth billions of years ago after examining the very old rocks formed in the Earth's mantle below the continents. (2021-02-17)

Ural Federal University scientists discover ways to increase oil production efficiency
The study of the researchers of Ural Federal University Department of Technical Physics can make the oil production more efficient and anticipate consequences of environmental emergencies (2021-02-01)

A better pen-and-ink system for drawing flexible circuits
Conductive ink is a great tool for printing flexible electronic circuits on surfaces. But these inks can be costly, they do not work on some materials, and devices to apply them can plug up. Now, scientists report in ACS Applied Electronic Materials that they have developed inexpensive conductive inks for clog-free ballpoint pens that can allow users to 'write' circuits almost anywhere -- even on human skin. (2021-01-06)

Nanocylinder vibrations help quantify polymer curing for 3D printing
In a step toward making more accurate and uniform 3D-printed parts such as personalized prosthetics and dental materials, researchers at the National Institute of Standards and Technology (NIST) have demonstrated a method of measuring the rate at which microscopic regions of a liquid raw material harden into a solid plastic when exposed to light. (2020-12-10)

Physicists capture the sound of a "perfect" fluid
MIT physicists have observed sound waves moving through a ''perfect'' fluid. The results should help scientists study the viscosity in neutron stars, the plasma of the early universe, and other strongly interacting fluids. (2020-12-03)

A dessert-like desert: Californian lithosphere resembles crème brûlée
A model for the southeastern California lithosphere suggests that a strong upper crust overlies weaker lower rock layers. (2020-11-30)

Lab closed? Head to the kitchen
Studies explore fluids in pancakes, beer, and the kitchen sink. (2020-11-23)

Researchers develop more efficient method to recover heavy oil
The current global supply of crude oil is expected to meet demand through 2050, but there may be a few more drops to squeeze out. By making use of a previously undesired side effect in oil recovery, researchers have developed a method that yields up to 20% more heavy oil than traditional methods. Tokyo University of Agriculture and Technology (TUAT) team published their results on August 24 in Energy & Fuels, a journal of the American Chemical Society. (2020-11-21)

New phase of modeling the viscous coupling effects of multiphase fluid flow
Researchers led by Kyushu University found a way to incorporate key phenomena called viscous coupling effects into models of multiphase flow in porous materials. The technique combines two approaches--pore network modeling and the lattice Boltzmann method--to provide detailed pore-scale information and good computational efficiency. The work could have implications for many applications that involve multiphase flow in porous materials, such as oil recovery and carbon dioxide storage. (2020-11-16)

Modelling microswimmers for drug delivery
An international group of theoretical physicists led by Abdallah Daddi-Moussa-Ider from Düsseldorf, Germany, has modelled the motion of microscopic, motile bodies - either powered micro-machines or living cells - in viscous liquid drops, using the Navier-Stokes equations. This work, which has applications in materials science and medicine, is now published in EPJ E. (2020-11-11)

New technique may revolutionize accuracy and detection of biomechanical alterations of cells
Scientists have developed an optical elastography technique that could revolutionise the accuracy and ease to which health professionals can detect biomechanical alterations of cells and tissues. (2020-11-10)

Artificial Intelligence has learned to estimate oil viscosity
A group of Skoltech scientists developed machine learning (ML) algorithms that can teach artificial intelligence (AI) to determine oil viscosity based on nuclear magnetic resonance (NMR) data. The new method can come in handy for the petroleum industry and other sectors, which have to rely on indirect measurements to characterize a substance. (2020-11-05)

Weak equivalence principle violated in gravitational waves
New research published in EPJ C proves theoretically that the Weak Equivalence Principle can be violated by quantum particles in gravitational waves - the ripples in spacetime caused by colossal events such as merging black holes. (2020-10-28)

Deep magma facilitates the movement of tectonic plates
A small amount of molten rock located under tectonic plates encourages them to move. This is what scientists from the LGL-TPE (CNRS/ENS de Lyon/UCBL1) have recently discovered. Their new model takes into account not only the velocity of seismic waves but also the way in which they are attenuated by the medium they pass through. The velocity of tectonic plates near the surface is thus directly correlated with the quantity of magma present. (2020-10-21)

When honey flows faster than water
Physicists surprised to find that in specially coated tubes, the more viscous a liquid is, the faster it flows (2020-10-16)

Tetrahedra may explain water 's uniqueness
Scientists at The University of Tokyo used computer simulations and a two-state mathematical model to analyze previous data on water and predicted the location of a liquid-liquid critical point in supercooled water. This work may help better understand the unusual properties of water that allow life to exist in its current form on Earth. (2020-10-12)

Nanocrystals make volcanoes explode
Tiny crystals, ten thousand times thinner than a human hair, can cause explosive volcanic eruptions. This surprising connection has recently been discovered by a German-British research team led by Dr. Danilo Di Genova from the Bavarian Research Institute of Experimental Geochemistry & Geophysics (BGI) at the University of Bayreuth. (2020-09-24)

Bristol scientists shine light on tiny crystals behind unexpected violent eruptions
In a new study of volcanic processes, Bristol scientists have demonstrated the role nanolites play in the creation of violent eruptions at otherwise 'calm' and predictable volcanoes. The study, published in Science Advances, describes how nano-sized crystals (nanolites), 10,000 times smaller than the width of a human hair, can have a significant impact of the viscosity of erupting magma, resulting in previously unexplained and explosive eruptions. (2020-09-23)

Inducing plasma in biomass could make biogas easier to produce
Producing biogas from the bacterial breakdown of biomass presents options for a greener energy future, but the complex composition of biomass comes with challenges. Cellulose and woody lignocellulose are especially hard for bacteria to digest but pretreatment can make it easier. Researchers are testing plasma formation in biomass and finding a promising method: A plasma-liquid interaction forms reactive species that help break down the biomass and decrease the viscosity of the biomass material. (2020-09-22)

New study finds two amino acids are the Marie Kondo of molecular liquid phase separation
a team of biologists at the Advanced Science Research Center at The Graduate Center, CUNY (CUNY ASRC) have identified unique roles for the amino acids arginine and lysine in contributing to molecule liquid phase properties and their regulation. (2020-09-15)

Inexpensive, non-toxic nanofluid could be a game-changer for oil recovery
Researchers from the University of Houston have demonstrated that an inexpensive and non-toxic nanofluid can be used to efficiently recover even heavy oil with high viscosity from reservoirs. (2020-09-10)

Vortex top-hats emerge in superfluids
An Australian-led study provides new insight into the behaviour of rotating superfluids, including the emergence of a 'top hat' shaped super-vortex phenomenon. Fundamental understanding of the behaviour of vortices in superfluids (a 'zero viscosity' quantum material in which electrical current can flow without resistance) is vital to FLEET's search for ultra-energy efficient electronics based on superfluid transistors. (2020-09-07)

Polymers prevent potentially hazardous mist during dentist visit
If the mist in a dentist's office -- sent flying into the air by spinning, vibrating tools -- contains a virus or some other pathogen, it is a health hazard. So researchers in Illinois studied the viscoelastic properties of food-grade polymers and discovered that the forces of a vibrating tool or dentist's drill are no match for them. Not only did a small admixture of polymers completely eliminate aerosolization, but it did so with ease. (2020-08-25)

Oil-soluble transition metal-based catalysts tested for in-situ oil upgrading
The results of the study showed that the good catalytic properties of the new transition metal catalysts, as well as their low cost and easy accessibility, make them a potential solution in the aquathermolysis reaction and heavy oil recovery. (2020-08-11)

Surface tension, not gravity, drives viscous bubble collapse
By demonstrating that surface tension -- not gravity -- drives the collapse of surface bubbles in viscous liquids, a new study flips the previous understanding of how viscous bubbles pop on its head. (2020-08-06)

A simple screening process may enhance monoclonal antibody-based drug development
By screening potential monoclonal antibody (mAb)-based drugs solely based on a measure of their colloidal stability, scientists may be able to weed out mAbs that do not respond efficiently in solution early in the (2020-07-31)

Is the Earth's transition zone deforming like the upper mantle?
In a recently published paper in Earth and Planetary Science Letters, researchers from the Geodynamics Research Center, Ehime University and the University of Lille combine numerical modeling of dislocation glide and results from diffusion experiments to revisit the rheology of wadsleyite, ringwoodite and majorite garnet under geological strain rates across the transition zone of the Earth's mantle based on theoretical plasticity modeling. (2020-07-29)

Digitizing chemistry with a smart stir bar
Miniaturized computer systems and wireless technology are offering scientists new ways to keep tabs on reactions without the need for larger, cumbersome equipment. In a proof-of-concept study in ACS Sensors, researchers describe an inexpensive new device that functions like a conventional magnetic stir bar, but that can automatically measure and transmit information on a solution's color, viscosity and a variety of other attributes to a smart phone or computer. (2020-07-22)

Bouncing bubbles shake up emulsion studies
Collisions of tiny air bubbles with water surfaces can reveal fundamental characteristics of foamy mixtures. (2020-07-20)

Key technology for mass-production of lignin-bio-aviation fuels for reducing greenhouse gas
The team, led by Dr. Jeong-Myeong Ha of the Clean Energy Research Center at the Korea Institute of Science and Technology(KIST), has developed a technology that can be used to mass-produce aviation-grade fuels from wood wastes. The ability to produce aviation-grade fuel from wood waste is expected to help international aviation companies comply with the new strong emissions regulations, which are scheduled to go into effect in 2027. (2020-07-17)

Helping drug-delivering particles squeeze through a syringe
MIT engineers are using computing modeling to prevent microparticles from clogging during injections. (2020-07-08)

Study reveals science behind traditional mezcal-making technique
Researchers reveal for the first time why bubbles are a good gauge of alcohol content in mezcal, a traditional Mexican spirit. (2020-07-07)

A path to new nanofluidic devices applying spintronics technology
Japanese scientists have elucidated the mechanism of the hydrodynamic power generation using spin currents in micrometer-scale channels, finding that power generation efficiency improves drastically as the size of the flow is made smaller. They experimentally demonstrated the fluid power generation phenomenon in the laminar flow region and confirmed that in the laminar flow region, energy conversion efficiency was increased by approximately 100,000 times. (2020-07-02)

Airborne chemicals could become less hazardous, thanks to a missing math formula
Purdue researchers have figured out a way to calculate surface viscosity just by looking at a stretched droplet as it starts to break. (2020-06-25)

Nickel-based catalysts tested at Boca de Jaruco oilfield in Cuba
In this publication, the authors studied transformations of asphaltenes, the compounds determining the viscosity of petroleum. The provided catalyst proved to be effective for in-situ conversion of asphaltenes. (2020-06-11)

Developing better fabrication techniques for pH-responsive microcapsules
Researchers have developed a new method to create microcapsules, which are tiny droplets surrounded by a solid shell. The technique can be used to make microcapsules that respond to changes in pH, which are useful for applications such as anti-corrosion coatings. (2020-06-09)

Predicting cancer behavior requires better understanding of tumor cells
Our ability to predict who will get cancer, how patients will respond to treatment, or if patients will relapse is still quite limited, despite advances in the detection of genetic mutations and the establishment of risk factors; recently researchers were inspired to find new ways of looking at the problem. They report that using cellular mechanophenotyping, along with traditional methods such as immunostaining and genetic analysis, may provide a more comprehensive view of a tumor. (2020-06-09)

The nature of glass-forming liquids is more clear
Researchers from The University of Tokyo have found that attractive and repulsive interactions between particles are both essential to form structural order that controls the dynamics of glass-forming liquids. This knowledge will help understanding why a liquid becomes so viscous before glass formation. (2020-06-03)

Theoretical breakthrough shows quantum fluids rotate by corkscrew mechanism
Scientists performed simulations of merging rotating superfluids, revealing a peculiar corkscrew-shaped mechanism that drives the fluids into rotation without the need for viscosity. (2020-05-29)

SUTD developed a simple method to print planar microstructures of polysiloxane
SUTD developed the embedded ink writing (EIW) method, enabling the direct writing of polysiloxane which helps in the fabrication of microfluidic devices, flexible wearables, and soft actuators. (2020-05-28)

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