Simulating microswimmers in nematic fluids
New research shows how control over self-propelled microswimmers could be achieved using exotic materials named 'nematic liquid crystals' - whose viscosity and elasticity can vary depending on the direction of an applied force......»»
Using machine learning to speed up simulations of irregularly shaped particles
Simulating particles is a relatively simple task when those particles are spherical. In the real world, however, most particles are not perfect spheres, but take on irregular and varying shapes and sizes. Simulating these particles becomes a much mor.....»»
Study highlights new advancements to simulate multiscale coastal processes
Simulating flooding where rivers meet the ocean is challenging because existing Earth system models struggle to capture the complex interactions between river flows, ocean tides, and storm surges......»»
NASA tests deployment of Roman Space Telescope"s "visor"
The "visor" for NASA's Nancy Grace Roman Space Telescope recently completed several environmental tests simulating the conditions it will experience during launch and in space. Called the Deployable Aperture Cover, this large sunshade is designed to.....»»
Kia Tasman pickup unlikely to be available in the U.S.
The automaker released video of the off-road capable truck simulating testing in California, but its target markets are overseas......»»
Scientists reveal elastic turbulence has more in common with classical Newtonian turbulence than expected
Blood, lymph fluid and other biological liquids can have surprising and sometimes troubling properties. Many of these biological solutions are non-Newtonian fluids, a type of liquid that is characterized by a non-linear relationship between stress an.....»»
Unlocking the secrets of supercritical fluids: Study offers insights into a hybrid state of matter
A study now published in Nature Communications brings remarkable insights into the enigmatic behavior of supercritical fluids, a hybrid state of matter occupying a unique space between liquids and gases, and arising in domains that go from the pharma.....»»
Simulating diffusion using "kinosons" and machine learning
Researchers from the University of Illinois Urbana-Champaign have recast diffusion in multicomponent alloys as a sum of individual contributions, called "kinosons." Using machine learning to compute the statistical distribution of the individual cont.....»»
Novel hybrid scheme speeds the way to simulating nuclear reactions on quantum computers
The nuclear reactions that power the stars and forge the elements emerge from the interactions of the quantum mechanical particles, protons and neutrons. Explaining these processes is one of the most challenging unsolved problems in computational phy.....»»
Study reveals flaw in long-accepted approximation used in water simulations
Computational scientists at the Department of Energy's Oak Ridge National Laboratory have published a study in the Journal of Chemical Theory and Computation that questions a long-accepted factor in simulating the molecular dynamics of water: the 2-f.....»»
Fruit fly model identifies key regulators behind organ development
A new computational model simulating fruit fly wing development has enabled researchers to identify previously hidden mechanisms behind organ generation......»»
New computer algorithm supercharges climate models and could lead to better predictions of future climate change
Earth System Models—complex computer models that describe Earth processes and how they interact—are critical for predicting future climate change. By simulating the response of our land, oceans and atmosphere to manmade greenhouse gas emissions,.....»»
Scientists simulate magnetization reversal of Nd-Fe-B magnets using large-scale finite element models
NIMS has succeeded in simulating the magnetization reversal of Nd-Fe-B magnets using large-scale finite element models constructed based on tomographic data obtained by electron microscopy......»»
Breaking boundaries in tiny labs: New technology using sound waves has implications for nanoparticle manipulation
Acoustofluidics elegantly merges acoustics with fluid mechanics, enabling precise manipulation of fluids and particles on both micro and nanoscales. This interdisciplinary field plays a crucial role in biomedicine, tissue engineering, and nanoparticl.....»»
Sleeping more flushes junk out of the brain
Rhythmic activity during sleep may get fluids in the brain moving. Enlarge (credit: OsakaWayne Studios) As if we didn’t have enough reasons to get at least eight hours of sleep, there is now one more. Neurons are still.....»»
New method achieves 4D imaging of fluids in pores
A method based on CT (computed tomography)—a type of imaging that is widely used in hospitals—can help improve our understanding of CO2 storage, batteries, and processes in the body such as nutrient uptake......»»
Novel tech captures disease markers in a snap: The future of early diagnosis
Extracellular vesicles (EVs) have emerged as promising biomarkers for non-invasive disease diagnostics, offering an alternative to conventional biopsies. However, the challenge has been the efficient and pure isolation of EVs from biological fluids,.....»»
Tiny cracks in rocks may have concentrated chemicals needed for life
The gentle flow of warm fluids could have given pre-life chemistry a boost. Enlarge / Active geology could have helped purify key chemicals needed for life. (credit: Christof B. Mast) In some ways, the origin of life is.....»»
Simulating magnetization in a Heisenberg quantum spin chain
The rapid progress of quantum simulators is now enabling them to study problems that before have been limited to the domain of theoretical physics and numerical simulation. A team of researchers at Google Quantum AI and their collaborators showed thi.....»»
Physics of complex fluids: Ring polymers show unexpected motion patterns under shear
The shearing of fluids—meaning the sliding of fluid layers over each other under shear forces—is an important concept in nature and in rheology, the science that studies the flow behavior of matter, including liquids and soft solids. Shear forces.....»»
Astronauts from NASA"s Expedition 71 to conduct research aboard space station
Studies of neurological organoids, plant growth, and shifts in body fluids are among the scientific investigations that NASA astronauts Matthew Dominick, Michael Barratt, Jeanette Epps, and Tracy C. Dyson will help support aboard the International Sp.....»»