News tagged with viscosity
Mechanical properties of stem cells can foretell what they will become
To become better healers, tissue engineering need a timely and reliable way to obtain enough raw materials: cells that either already are or can become the tissue they need to build. In a new study, Brown ...
May 21, 2012 |
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Images capture split personality of dense suspensions
Stir lots of small particles into water, and the resulting thick mixture appears highly viscous. When this dense suspension slips through a nozzle and forms a droplet, however, its behavior momentarily reveals ...
Mar 30, 2012 |
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Pesticide additives cause drifting droplets, but can be controlled
(PhysOrg.com) -- Chemical additives that help agricultural pesticides adhere to their targets during spraying can lead to formation of smaller "satellite" droplets that cause those pesticides to drift into ...
Mar 20, 2012 |
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The perfect liquid -- now even more perfect
Ultra hot quark-gluon-plasma, generated by heavy-ion collisions in particle accelerators, is supposed to be the "most perfect fluid" in the world. Previous theories imposed a limit on how "liquid" fluids can ...
Jan 17, 2012 |
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New device measures viscosity of ketchup and cosmetics
A device that can measure and predict how liquids flow under different conditions will ensure consumer products – from make up to ketchup – are of the right consistency.
Oct 24, 2011 |
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Bees, and similar nectar feeders, get sweeter juice with dipping tongues
A field of flowers may seem innocuous -- but for the birds and bees that depend on it for sustenance, that floral landscape can be a battlefield mined with predators and competitors. The more efficient a pollinator is in ...
Oct 12, 2011 |
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Physicists capture microscopic origins of thinning and thickening fluids
(PhysOrg.com) -- In things thick and thin: Cornell physicists explain how fluids – such as paint or paste - behave by observing how micron-sized suspended particles dance in real time. Using high-speed ...
Sep 01, 2011 |
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New method for making human-based gelatin
Scientists are reporting development of a new approach for producing large quantities of human-derived gelatin that could become a substitute for some of the 300,000 tons of animal-based gelatin produced annually for gelatin-type ...
Jul 13, 2011 |
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Researchers create rollerball-pen ink to draw circuits
(PhysOrg.com) -- Two professors from the University of Illinois; one specializing in materials science, the other in electrical engineering, have combined their talents to take the idea of printing circuits ...
Nanotechnology / Nanomaterials
Jun 28, 2011 |
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Physicists hit on mathematical description of superfluid dynamics
(PhysOrg.com) -- It has been 100 years since the discovery of superconductivity, a state achieved when mercury was cooled, with the help of liquid helium, to nearly the coldest temperature achievable to form ...
Jun 09, 2011 |
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Using magnets to help prevent heart attacks
If a person's blood becomes too thick it can damage blood vessels and increase the risk of heart attacks. But a Temple University physicist has discovered that he can thin the human blood by subjecting it to a magnetic field.
Jun 07, 2011 |
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Long-standing question about swimming in elastic liquids, answered
A biomechanical experiment conducted at the University of Pennsylvania School of Engineering and Applied Science has answered a long-standing theoretical question: Will microorganisms swim faster or slower in elastic fluids? ...
May 18, 2011 |
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Cell viscosity research improves our knowledge of cancer cells
EU-funded researchers from Germany and Poland have made some groundbreaking discoveries about cell cytoplasm viscosity, which could further our knowledge of the cytoplasm of cancer cells.
Nanotechnology / Bio & Medicine
May 16, 2011 |
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Mixing fluids efficiently in confined spaces: Let the fingers do the working
Getting two fluids to mix in small or confined spaces is a big problem in many industries where, for instance, the introduction of one fluid can help extract another — like water pumped underground can release oil trapped ...
May 12, 2011 |
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Mars Express sees deep fractures on Mars
Newly released images from ESA's Mars Express show Nili Fossae, a system of deep fractures around the giant Isidis impact basin. Some of these incisions into the martian crust are up to 500 m deep and probably ...
Space & Earth / Space Exploration
May 06, 2011 |
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