Last update Bubble mattress reduces drag in fluidic chip, May 14, 2013
Researchers at the University of Twente's MESA+ research institute have given the first demonstration of how the drag exerted on liquids flowing through tiny "fluidic chips" is affected by the introduction of diminutive gas ...
May 14, 2013
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Researchers at DOE's Brookhaven are using the National Synchrotron Light Source (NSLS) to categorize the many facets of fat crystals. They've learned that the distribution and directionality of these crystal ...
Apr 26, 2013
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What happens if you slowly evaporate a droplet containing dissolved particles? The question sounds simple, but it involves a surprising amount of basic physics and mathematics. Hanneke Gelderblom of the University ...
Apr 18, 2013
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(Phys.org) —A combined team of researchers from the Technical University of Braunschweig in Germany and Kobe University in Japan has determined that the Brazil nut effect is less pronounced as gravity is ...
Apr 09, 2013
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Sunghwan Jung is a fan of the 19th Century born John William Strutt, 3rd, also known as Lord Baron Rayleigh. An English physicist, Rayleigh, along with William Ramsay, discovered the gas argon, an achievement ...
Mar 22, 2013
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One of the most noteworthy concerns for the U.S. Department of Energy is controlling atmospheric carbon dioxide to mitigate its effects on global climate and, in turn, energy consumption. Geological formations, ...
Mar 21, 2013
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Blood, paint or ketchup are complex liquids composed of several different components. For the construction of pumps, or the improvement of technical processes scientists and engineers need description models. ...
Mar 07, 2013
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Theoretical physicist Moumita Maiti and colleagues at the Jawaharlal Nehru Centre for Advanced Scientific Research in Bangalore, India, have now implemented an algorithm for analysing void space in sphere ...
Feb 01, 2013
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Barbara Capone of the Computational Physics Group of the University of Vienna has developed a new method for the construction of building blocks at the nanoscale. The researcher in Soft Matter Physics, who ...
Jan 17, 2013
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A new study published in the American Institute of Physics' (AIP) journal Physics of Fluids reveals that the normal rebounding of a ball changes when it is partially filled with a liquid. Unlike an empty sphere or a soli ...
Jan 03, 2013
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Ethanol, a component of biofuel made from plants such as corn, is blended with gas in many parts of the country, but has significantly different fluid properties than pure gasoline. A group of researchers from the University ...
Nov 16, 2012
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Small floating objects change the dynamics of the surface they are on. This is an effect every serious student of breakfast has seen as rafts of floating cereal o's arrange and rearrange themselves into patterns on the milk. ...
Nov 16, 2012
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(Phys.org)—Lian-Ping Wang, professor of mechanical engineering and joint professor of physical ocean science and engineering at the University of Delaware, recently published an invited critical review ...
Oct 11, 2012
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(Phys.org)—A way of printing lasers using everyday inkjet technology has been created by scientists. The development has a wide range of possible applications, ranging from biomedical testing to laser arrays ...
Sep 19, 2012
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(Phys.org)—Scientists at the University of Twente's MESA+ Institute for Nanotechnology have developed a new material that is not only extremely water-repellent but also extremely oil-repellent. It contains ...
Sep 17, 2012
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Many plants and animals have textured surfaces on their body for manipulating water. Some textured surfaces are designed, for example, to improve adhesion, while others may enable the collection of water ...
Aug 15, 2012
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(Phys.org) -- When you’re just a few microns long, swimming can be difficult. At that size scale, the viscosity of water is more like that of honey, and momentum can’t be relied upon to maintain ...
Aug 06, 2012
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All children who build sandcastles on the beach know that in addition to sand you also need to add a little water to prevent the structure from collapsing. But why is this? In an article which appeared today in Scientific Re ...
Aug 02, 2012
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So-called glass-formers are a class of highly viscous liquid materials that have the consistency of honey and turn into brittle glass once cooled to sufficiently low temperatures. Zhen Chen and his colleagues from Arizona ...
Aug 01, 2012
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(Phys.org) -- Snow avalanches, a real threat in countries from Switzerland to Afghanistan, are fundamentally a physics problem: What are the physical laws that govern how they start, grow and move, and can theoretical modeling ...
Jul 25, 2012
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(Phys.org) -- From driftwood traveling down a river to a blood cell flowing through your artery, objects moving in a stream of fluid are mostly thought to passively go with the flow but not disturb it in controllable ...
Jul 18, 2012
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(Phys.org) -- Earlier this year, a team of scientists, led by Professor Julian Eastoe in the University of Bristol’s School of Chemistry, announced they had created a liquid surfactant (soap) that could be moved by a magnet. ...
Jun 22, 2012
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By taking advantage of the unique patterns generated when two immiscible fluids flow together, scientists have developed a new tool for studying tiny biomolecules.
Jun 05, 2012
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Scientists at the Georgia Institute of Technology achieved a 17-percent increase in boiling efficiency by using an acoustic field to enhance heat transfer. The acoustic field does this by efficiently removing vapor bubbles ...
May 24, 2012
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(Phys.org) -- A team of physicists has used the high-energy x-rays of the Advanced Photon Source (APS) at Argonne National Laboratory to penetrate the everyday mystery of a splash, revealing previously hidden ...
May 09, 2012
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May 14, 2013
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A new study by a team including scientists from the National Institute of Standards and Technology (NIST) indicates that thin polymer films can have different properties depending on the method by which they ...
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 ...
Ironing increases the humidity of a piece of cloth by injecting water vapor in the form of steam. But how does the vapor affect the fabric? Until now, it was thought that its only effect was to soften the fibers. French researchers ...
An article published in Physical Review E and conducted by Spanish researchers at the universities of Granada and Barcelona might lead to a revolutionary change in water desalination and filtration methods.
(PhysOrg.com) -- Scientists have solved one of the printing industry's greatest challenges - whether a liquid thread will break up into drops.
(Phys.org) —The allure of personalized medicine has made new, more efficient ways of sequencing genes a top research priority. One promising technique involves reading DNA bases using changes in electrical ...
New research from the University of Southampton has shown that blind and visually impaired people have the potential to use echolocation, similar to that used by bats and dolphins, to determine the location of an object.
The Supreme Court has affirmed the authority of federal regulators to try to speed local government decisions on proposals to build or expand cell phone towers.
A group of ex-Nokia employees who quit over the company's decision to abandon the planned MeeGo operating system in favour of Windows presented their own smartphone on Monday, hoping to rival the sector's ...
A new report suggests that improved health care and significant reductions in drug costs might be attained by breaking up the age-old relationship between physicians and drug company representatives who promote the newest, ...
While the effects of acute stroke have been widely studied, brain damage during the subacute phase of stroke has been a neglected area of research. Now, a new study by the University of South Florida reports that within a ...
Yahoo! is just under two decades old and already showing signs of age. Tumblr, the cool blogging platform, represents a new generation.
As high schoolers prepare for final exams, teens nationwide may be tempted to use a "study drug"—a prescription stimulant or amphetamine—to gain an academic edge. But a new University of Michigan poll shows only one in ...
Food microbiology laboratories continue to submit false negative results and false positive results on a routine basis. A retrospective study of nearly 40,000 proficiency test results over the past 14 years, presented today ...
Posterior fossa subdural hematoma (PFSDH) is a serious and rare condition in newborns, generally occurring after difficult deliveries. But with appropriate treatment, there's an excellent chance of good long-term outcomes ...
(PhysOrg.com) -- Working together, Matthieu Gaudet and Steve Arscott from the University of Lille (IEMN lab) in France have built a circuit using a phenomenon known as photoelectrowetting, which allows a switch ...
(PhysOrg.com) -- On a mission to manipulate microscale structures of materials, researchers engineer new methods of controlling surface tension.
(PhysOrg.com) -- Microscopic spheres form strings in surprising alignments when suspended in a viscous fluid and sheared between two plates — a finding that will affect the way scientists think about ...
The University of Delaware's Eric M. Furst authored a commentary in the Proceedings of the National Academy of Sciences (PNAS) advance online edition Dec. 19.
By studying the behavior of tiny particles at an interface between oil and water, researchers at Harvard have discovered that stabilized emulsions may take longer to reach equilibrium than previously thought.
In a study recently published in European Physical Journal E (EPJE), a German scientist constructed a theoretical model to understand how to best avoid jamming of soft matter that can be applied in food and cosmetics produc ...
An international research team has successfully developed a widely applicable method for discovering the physical foundations of complex fluids for the first time. Researchers at the University of Vienna and ...
Scientists from the University of Sheffield have developed pigment-free, intensely coloured polymer materials, which could provide new, anti-counterfeit devices on passports or banknotes due to their difficulty ...
National guidelines recommend that at-risk women be screened for elevated cholesterol levels to reduce their chances of developing cardiovascular disease. But who is 'at risk?' The results of a study by investigators ...
Mexican phone giant America Movil, owned by billionaire Carlos Slim, announced Monday that its US unit reached a deal to acquire US mobile phone company Start Wireless Group.
Hospital emergency departments play a growing role in the U.S. health care system, accounting for a rising proportion of hospital admissions and serving increasingly as an advanced diagnostic center for primary care physicians, ...
(Phys.org) —Saratoga California high school student Eesha Khare is a co-winner of this year's Young Scientist Award sponsored by Intel. She won the award for her battery-sized supercapacitor design which ...
(Phys.org) —Earthquakes that last minutes rather than seconds are a relatively recent discovery, according to an international team of seismologists. Researchers have been aware of these slow earthquakes, ...
These days, aerospace engineering is all about the light stuff: building airplanes with lighter wings, fuselage and landing gear in an effort to reduce fuel costs.
Video compositing to create special effects, replace backgrounds or combine multiple takes of an actor's performance is an integral, but highly labor-intensive, part of modern film making. Researchers at ...
A new study conducted at the University of Bristol and published online today in the Journal of Evolutionary Biology sheds light on how the brain and inner ear developed in dinosaurs.
Over the past few decades, neuroscientists have made much progress in mapping the brain by deciphering the functions of individual neurons that perform very specific tasks, such as recognizing the location ...
(Phys.org) —Emerging Objects, a San Francisco based fabrication studio, is pioneering the use of new kinds of material for use as an "ink" with 3-D printers. To date, their materials are based on wood, ...
The Philippines has approved three wind farm projects that will generate 208 megawatts, enough to power more than 40,000 middle-class homes, an energy official said on Monday.
Parkinson's disease (PD) is a degenerative neurological disorder marked by a progressive loss of motor control. Despite intensive research, there are currently no approved therapies that have been demonstrated to alter the ...
A novel vaccine study from South Dakota State University (SDSU) will headline the groundbreaking research that will be unveiled at the American Association of Pharmaceutical Scientists' (AAPS) National Biotechnology Conference ...
The frenzy to build hydropower stations across the Carpathian mountains poses an "imminent" threat to biodiversity in Eastern Europe, conservationist group WWF warned Monday.
US investment banking giant Goldman Sachs said Monday it will start investing in Japanese renewable energy projects, with a reported $2.9 billion outlay over the next five years.
(Phys.org) —A team of University of Pennsylvania engineers has used a pattern of nanoantennas to develop a new way of turning infrared light into mechanical action, opening the door to more sensitive infrared ...
(PhysOrg.com) -- It is very difficult to overestimate the importance of colloidal suspensions. Besides being an integral part of our everyday life (food, cosmetics, drugs), they also serve as an excellent ...
A new microscope invented by scientists at Howard Hughes Medical Institute's Janelia Farm Research Campus will let researchers use an exquisitely thin sheet of light -- similar to that used in supermarket bar-code scanners ...
New York University physicists have developed a method for packing microscopic spheres that could lead to improvements in commercial products ranging from pharmaceutical lotions to ice cream. Their work, which relies on an ...
Nematodes, microscopic worms, are making engineers look twice at their ability to exhibit the "Cheerios effect" when they move in a collective motion.
(PhysOrg.com) -- A team of applied physicists at Harvard's School of Engineering and Applied Sciences (SEAS), Princeton, and Brandeis have demonstrated the formation of semipermeable vesicles from inorganic ...
A new study conducted by researchers at the Child Study Center at NYU Langone Medical Center found men diagnosed as children with attention-deficit/hyperactivity disorder (ADHD) were twice as likely to be obese in a 33-year ...
Cambridge archaeologists are illuminating some of the oldest graphic art of the past, by applying some of the most advanced graphic technology of the present.
(Phys.org) —From within an ancient German gravesite to laboratories under the harshest extremes of scientific scrutiny, traces of DNA from a deadly disease illuminate the cold pages of history with modern ...
It is impossible to predict the evolution of China's human H7N9 bird flu outbreak as researchers are still trying to understand the source of human transmission, the head of the World Health Organisation said Monday.
A humanoid robot can receive an object handed to it by a person with something approaching natural, human-like motion thanks to a new method developed by scientists at Disney Research, Pittsburgh in a project partially funded ...
(Phys.org) —Using a laser, the St Andrews scientists can now carry out detailed analysis of a spirit sample no bigger than a teardrop and can even confirm whether it is toxic or not. It's hoped the testing ...
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