Last update Promising doped zirconia, May 17, 2013
Materials belonging to the family of dilute magnetic oxides (DMOs)—an oxide-based variant of the dilute magnetic semiconductors—are good candidates for spintronics applications. This is the object of ...
May 17, 2013
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An international collaboration of scientists has discovered a unique crystalizing behavior at the interface between two immiscible liquids that could aid in sustainable energy development.
May 17, 2013
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University of Toronto engineering researchers, working with colleagues from Carnegie Mellon University, have published new insights into how materials transfer heat, which could lead eventually to smaller, more powerful electronic ...
May 16, 2013
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Quick-cooling molten atoms give metal alloys a glassy, or random, atomic structure that generates higher elasticity and better wear- and corrosion-resistance than their crystalline alloy counterparts. However, ...
May 08, 2013
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(Phys.org) —A team of researchers from Aix-Marseille University in France has found that the number of cracks that appear in a pane of glass or other brittle material resulting from a projectile strike ...
May 02, 2013
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(Phys.org) —Italian materials scientist Nicola Pugno has realized amazing gains in adding toughness to fibers by twisting them into slip knots resulting in materials that can take far more abuse before ...
May 01, 2013
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(Phys.org) —Shattering a glass is a completely different experience than breaking a seashell, and Cornell physicists offer a notion – at the microscale – to explain why.
May 01, 2013
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(Phys.org) —Using computer models, a graduate student at the University of Arkansas has collaborated with scientists in the United States and Europe to observe a new magnetic state of bismuth ferrite.
May 01, 2013
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(Phys.org) —Reach for a tall glass of iced tea. Don't drink. Look at the glass instead. The glass is an amorphous solid, consisting of molecules jumbled in disarray. It's the complete opposite of the ice ...
May 01, 2013
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Being a physicist offers many perks. For one, it allows an understanding of the substances ubiquitous in everyday industrial products such as emulsions, gels, granular pastes or foams. These are known for their intermediate ...
Apr 30, 2013
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(Phys.org) —Squeeze a piece of silicone and it quickly returns to its original shape, as squishy as ever. But scientists at Rice University have discovered that the liquid crystal phase of silicone becomes ...
Apr 29, 2013
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(Phys.org) —While everyone is familiar with water in the liquid, ice, and gas phases, water can also exist in many other phases over a vast range of temperature and pressure conditions. One lesser known ...
Apr 25, 2013
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With the help of a solitary sea squirt, scientists have resolved the longstanding puzzle of the crystal structure of vaterite, an enigmatic geologic mineral and biomineral.
Apr 25, 2013
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Researchers at Aalto University have developed a purely geometric surface structure that is able to stop and control the spreading of liquids on different types of surfaces. The structure has an undercut ...
Apr 24, 2013
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(Phys.org) —Researchers from North Carolina State University have solved a long-standing materials science problem, making it possible to create new semiconductor devices using zinc oxide (ZnO) – including efficient ultraviolet ...
Apr 23, 2013
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(Phys.org) —In 2010, the discoverers of graphene—a revolutionary material made of a carbon "monolayer" just one atom thick—snagged the Nobel Prize in physics. An extremely efficient conductor of heat and electricity, ...
Apr 22, 2013
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Like spreading a thin layer of butter on toast, Cornell scientists have helped develop a novel process of spreading extremely thin organic transistors, and used synchrotron X-rays to watch how the films crystallize.
Apr 18, 2013
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Applying femtosecond X-ray methods, researchers at the Max-Born-Institute in Berlin (Germany) and the Ecole Polytechnique Federale de Lausanne (Switzerland) observed an extremely fast, collective electron ...
Apr 17, 2013
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Whether gas trapped under a frozen water layer flows through cracks or bursts out depends on the layer's depth and temperature, according to scientists at Pacific Northwest National Laboratory. The water ...
Apr 15, 2013
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Not all liquids are mixable. Researchers from the Institute of Experimental and Applied Physics of Kiel University (CAU) have investigated chemical processes with atomic resolution at the interface between ...
Apr 11, 2013
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A University of Houston chemical and biomolecular engineering professor's theories on crystal formation will be tested aboard the International Space Station (ISS).
Apr 11, 2013
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(Phys.org) —Topological insulators (TIs) are an exciting new type of material that on their surface carry electric current, but within their bulk, act as insulators. Since the discovery of TIs about a decade ...
Apr 10, 2013
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The craft of glassmaking extends way back in time. It was over five-thousand years ago when mankind learned how to make glass. Even prior to this discovery, humans had been using naturally occurring glass ...
Apr 10, 2013
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Organic semi-conductors could revolutionise electronics in various areas. Nowadays, components put out such high performances that they are used in small devices like mobile phones. With larger devices, however, ...
Apr 08, 2013
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Gelatin sets by forming a solid matrix full of random, liquid-filled pores—much like a saturated sponge. It turns out that a similar process also happens in some metallic glasses, substances whose molecular ...
Apr 03, 2013
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Many users of microwave ovens have had the frightening experience of leaving a fork, crumpled piece of aluminum foil or some other pointy metal item inside the cooking chamber. The sharp metal object acts ...
Scientists at the Department of Physics of the University of Oulu have teamed up with scientists in France, Russia and Japan to propose a new experimental method for researching positively charged ions. The study, In the ...
(Phys.org) —Materials scientists have been for some time preparing artificial ceramic systems that simply do not exist in nature, allowing scientists to engineer particularly interesting and even technologically ...
Researchers from North Carolina State University have developed a new technique for creating stronger, lightweight magnesium alloys that have potential structural applications in the automobile and aerospace ...
For years, researchers have developed thin films of bismuth telluride (Bi2Te3) – which converts heat into electricity or electricity to cooling – on top of gallium arsenide (GaAs) to create cooling dev ...
China will not pay for CO2 emissions by its airlines on flights within Europe, a top civil aviation official reportedly said after the European Commission warned eight Chinese firms face fines for nonpayment.
(AP)—Mirjana Filipovic is still haunted by the land mine blast that killed her boyfriend and blew off her left leg while on a fishing trip nearly a decade ago. It happened in a field that was supposedly ...
The devastating effect of Alzheimer's disease on bilingual people has been thrown into focus in Canada, where the sudden loss of a second language can leave sufferers feeling like strangers in their own country.
A number of mice and eight gerbils sent into space in a Russian capsule destined to find out how well organisms can withstand extended flights perished during their journey, scientists said Sunday as the ...
Tense engineers have their eyes peeled on complex colour-coded diagrams on a wall-sized screen that makes their control room look like the inside of a spaceship.
Iran is tightening control of the Internet ahead of next month's presidential election, mindful of violent street protests that social networkers inspired last time around over claims of fraud, users and ...
The hunt for an HIV vaccine has gobbled up $8 billion in the past decade, and the failure of the most recent efficacy trial has delivered yet another setback to 26 years of efforts.
Mannequins in riot gear, armoured cars and drones line a police equipment and "anti-terrorism technology" trade fair in Beijing as vendors seek to profit from China's huge internal security budget.
Hong Kong saw its first electric taxis hit the streets on Saturday in a step towards reducing the city's high levels of roadside pollution.
Regular consumption of coffee is associated with a reduced risk of primary sclerosing cholangitis (PSC), an autoimmune liver disease, Mayo Clinic research shows. The findings were being presented at the Digestive Disease ...
(Phys.org) —Photographers rely on precision lenses to generate well-focused and crystal-clear images. These high-quality optics—readily available and produced in huge quantities—are often taken for ...
(Phys.org)—Salt—and just about anything else that dissolves in water, which is called a solute—lowers water's melting point, which is why it's useful for de-icing roads. And the higher the solute concentration, the ...
Yttria stabilized zirconia, also known as YSZ, is a material of great interest because of its relatively high oxygen-ion based conductivity. In particular, it finds applications in electrochemical devices, such as solid oxide ...
Glass doesn't have to be brittle. Scientists propose a way of predicting whether a given glass will be brittle or ductile—a property typically associated with metals like steel or aluminum—and assert that any glass could ...
Magnetism and electricity are two of the fundamental forces of nature. Combining them in a single multiferroic material in which one controls the other is not only of basic interest, but also relevant for ...
A team at the NUS Department of Electrical & Computer Engineering led by Dr Qiu Cheng-Wei has come out with an optical device to "engineer" ghosts. When someone claims he has seen a ghost, the phenomenon ...
(Phys.org)—Exactly how a crystal forms from solution is a problem that has occupied scientists for decades. Researchers at Eindhoven University of Technology (TU/e), together with researchers from Germany ...
Like turning coal to diamond, adding pressure to an electrical material enhances its properties. Now, University of Illinois at Urbana-Champaign researchers have devised a method of making ferroelectric thin ...
Patients with treatment-resistant major depression saw dramatic improvement in their illness after treatment with ketamine, an anesthetic, according to the largest ketamine clinical trial to-date led by researchers from the ...
Research presented at Digestive Disease Week (DDW) explores new methods for managing digestive health through diet and lifestyle.
Morocco is ploughing ahead with a programme to boost wind energy production, particularly in the southern Tarfaya region, where Africa's largest wind farm is set to open in 2014.
The use of a smartphone application significantly improves patients' preparation for a colonoscopy, according to new research presented today at Digestive Disease Week (DDW). The preparation process, which begins days in ...
There are significant cost and risk factors associated with two procedures commonly used to diagnose or treat gastrointestinal problems, according to research presented at Digestive Disease Week (DDW).
Pakistan is set to become the fifth Asian country to use China's domestic satellite navigation system which was launched as a rival to the US global positioning system, a report said Saturday.
(AP)—Federal Reserve Chairman Ben Bernanke says pessimists who are forecasting that the economy will not reap sizable benefits from the computer revolution are likely to be proven wrong.
(Phys.org) —In a new study, a European research team suggests that the average intelligence level of Victorian-era people was higher than that of modern-day people. They base their controversial assertion ...
A comprehensive analysis of peer-reviewed articles on the topic of global warming and climate change has revealed an overwhelming consensus among scientists that recent warming is human-caused.
Like small children, scientists are always asking the question 'why?'. One question they've yet to answer is why nature picked quantum physics, in all its weird glory, as a sensible way to behave. Researchers ...
The latest makeover to a massive psychiatric tome honored by some, reviled by others and even called the "Bible" of mental disorders is being released Saturday with a host of new changes.
(Phys.org) —Yawn. Two startup visionaries claim they have just the device to replace keyboard and mouse forever and ever. Where have you heard that before. But maybe these two have something important. ...
A new case of the deadly coronavirus has been detected in Saudi Arabia where 15 people have already died after contracting it, the health ministry announced on Saturday on its Internet website.
NASA's planet-hunting Kepler telescope is broken, potentially jeopardizing the search for other worlds where life could exist outside our solar system.
(Phys.org) —Extraction of "unconventional" gas from sedimentary rocks such as shale could provide a clean energy source and help some regions to become energy independent, but concerns have been raised ...
US authorities seized the accounts of a Bitcoin digital currency exchange operator, claiming it was functioning as an "unlicensed money service business," court documents showed Friday.
(Phys.org)—Multiferroics are in a class of materials that exhibits more than one ferroic order simultaneously. One of the prototypical multiferroics is BiFeO3, an important material because it is one of ...
The transistor is the ultimate on-off switch. When a voltage is applied to the surface of a semiconductor, current flows; when the voltage is reversed, current is blocked. Researchers have tried for decades ...
(Phys.org)—A material that could enable faster memory chips and more efficient batteries can switch between high and low ionic conductivity states much faster than previously thought, SLAC and Stanford ...
(Phys.org)—Although scientists have been aware that magnetism and electricity are two sides of the same proverbial coin for almost 150 years, researchers are still trying to find new ways to use a material's ...
(Phys.org)—Beyond serving as the backbone of modern biology, DNA has come to be a molecule of great interest to engineers. That a DNA sequence will naturally bind only with a complementary sequence could make it part of ...
Tweets containing hateful words are coming in larger proportions from people living in the eastern half of the United States, according to a new map that tracked hate speech on Twitter.
(Phys.org) —Scott Hubbard, a consulting professor of aeronautics and astronautics, helped guide the Kepler mission when he served as director of NASA Ames Research Center. He explains how NASA might bring ...
In the last century humanity has taken gigantic leaps forward in the robotic exploration of the cosmos—not least in the search for habitable worlds and environments that could house life outside of the ...
(Phys.org) —NASA's senior Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by water.
A new window into the nature of the universe may be possible with a device proposed by scientists at the University of Nevada, Reno and Stanford University that would detect elusive gravity waves from the ...
Scientists at Oregon Health & Science University and the Oregon National Primate Research Center (ONPRC) have successfully reprogrammed human skin cells to become embryonic stem cells capable of transforming ...
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