Timely arrival of Pharao space clock
ESA has welcomed the arrival of Pharao, an important part of ESA's atomic clock experiment that will be attached to the International Space Station in 2016.
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The first supercomputer simulations of 'spin–orbit' forces between neutrons and protons in an atomic nucleus
Protons and neutrons are held together at the center of an atom by powerful nuclear forces. A theory that can describe the interaction between just two of these subatomic particles could potentially be extended ...
Jul 25, 2014
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First in-situ images of void collapse in explosives
While creating the first-ever images of explosives using an x-ray free electron laser in California, Los Alamos researchers and collaborators demonstrated a crucial diagnostic for studying how voids affect ...
Jul 25, 2014
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Breakthrough laser experiment reveals liquid-like motion of atoms in an ultra-cold cluster
A new study by researchers from the University of Leicester has furthered our understanding of how tiny nanosystems function, unlocking the potential to create new materials using nanosized 'building blocks'.
Jul 25, 2014
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By measuring infrared emissivity, work is being done to improve the features of solar thermal collectors
Researchers in the UPV/EHU's department of Condensed Matter Physics have developed the only infrared emissivity radiometer existing in Spain. The university is also one of the few centres worldwide that have this kind of ...
Jul 25, 2014
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Researchers demonstrate reconfigurable clusters made of colloidal particles as a form of data storage
A team of researchers with member affiliations to a large number of universities in the U.S. has created clusters of colloidal particles (spheres) in a liquid that is able to be manipulated in such a way as to represent different ...
Jul 24, 2014
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New approach to form non-equilibrium structures
Although most natural and synthetic processes prefer to settle into equilibrium—a state of unchanging balance without potential or energy—it is within the realm of non-equilibrium conditions where new possibilities lie. ...
Jul 24, 2014
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Nike krypton laser achieves spot in Guinness World Records
A set of experiments conducted on the Nike krypton fluoride (KrF) laser at the U.S. Naval Research Laboratory (NRL) nearly five years ago has, at long last, earned the coveted Guinness World Records title for achieving "Highest ...
Jul 24, 2014
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Chemist develops X-ray vision for quality assurance
It is seldom sufficient to read the declaration of contents if you need to know precisely what substances a product contains. In fact, to do this you need to be a highly skilled chemist or to have genuine ...
Jul 24, 2014
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The future of ultrashort laser pulses
Rapid advances in techniques for the creation of ultra-short laser pulses promise to boost our knowledge of electron motions to an unprecedented level.
Jul 24, 2014
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IHEP in China has ambitions for Higgs factory
Who will lay claim to having the world's largest particle smasher?. Could China become the collider capital of the world? Questions tease answers, following a news story in Nature on Tuesday. Proposals for ...
Jul 23, 2014
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Chinese scientists search for evidence of dark matter particles with new underground PandaX detector
The new PandaX facility, located deep underground in the southwestern Chinese province of Sichuan, hosts a large liquid-xenon detector designed to search for direct evidence of dark matter interactions with the nuclei of ...
Jul 23, 2014
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The physics of lead guitar playing
String bends, tapping, vibrato and whammy bars are all techniques that add to the distinctiveness of a lead guitarist's sound, whether it's Clapton, Hendrix, or BB King.
Jul 23, 2014
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The birth of topological spintronics
The discovery of a new material combination that could lead to a more efficient approach to computer memory and logic will be described in the journal Nature on July 24, 2014. The research, led by Penn S ...
Jul 23, 2014
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The electric slide dance of DNA knots
DNA has the nasty habit of getting tangled and forming knots. Scientists study these knots to understand their function and learn how to disentangle them (e.g. useful for gene sequencing techniques). Cristian ...
Jul 23, 2014
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Could tailored golf balls improve putting performance?
Golfers could get tailored golf balls with more precise separation control for the best performance, new research suggests.
Jul 23, 2014
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New etching process builds custom nanostructures for X-ray optics
Scientists at the Department of Energy's SLAC National Accelerator Laboratory have invented a customizable chemical etching process that can be used to manufacture high-performance focusing devices for the ...
Jul 23, 2014
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Law of physics governs airplane evolution
Researchers believe they now know why the supersonic trans-Atlantic Concorde aircraft went the way of the dodo—it hit an evolutionary cul-de-sac.
Jul 22, 2014
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Massive neutrinos and new standard cosmological model: No concordance yet
Neutrinos, also known as 'ghost particles' because they barely interact with other particles or their surroundings, are massless particles according to the standard model of particle physics. However, there ...
Jul 22, 2014
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A new multi-bit 'spin' for MRAM storage
Interest in magnetic random access memory (MRAM) is escalating, thanks to demand for fast, low-cost, nonvolatile, low-consumption, secure memory devices. MRAM, which relies on manipulating the magnetization ...
Jul 22, 2014
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New device based on fly's freakishly acute hearing may find applications in futuristic hearing aids
Even within a phylum so full of mean little creatures, the yellow-colored Ormia ochracea fly is distinguished among other arthropods for its cruelty—at least to crickets. Native to the southeastern U.S. ...
Jul 22, 2014
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Fiber optic light pipes in the retina do much more than simple image transfer
(Phys.org) —Having the photoreceptors at the back of the retina is not a design constraint, it is a design feature. The idea that the vertebrate eye, like a traditional front-illuminated camera, might have ...
Jul 21, 2014
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New study refines biological evolution model
Models for the evolution of life are now being developed to try and clarify the long term dynamics of an evolving system of species. Specifically, a recent model proposed by Petri Kärenlampi from the University ...
Jul 21, 2014
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Production phase for LSST camera sensors nears
(Phys.org) —A single sensor for the world's largest digital camera detected light making its way through wind, air turbulence, and Earth's atmosphere, successfully converting the light into a glimpse of ...
Jul 21, 2014
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Highly charged ions: Multiply-ionized atoms for clocks, qubits, and constants
The world is mostly neutral. That is, most of the atoms in our environment are electrically neutral. The number of electrons in the outer parts of atoms equals the number of protons at the centers of atoms. ...
Jul 18, 2014
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Investigating the detailed structure of large biomolecules with a non-damaging X-ray technique
Biological molecules such as proteins can contain hundreds of thousands of atoms, which makes it very difficult to understand their function in detail. Identifying the exact atomic structure of these complex ...
Is the universe a bubble? Let's check
Perimeter Associate Faculty member Matthew Johnson and his colleagues are working to bring the multiverse hypothesis, which to some sounds like a fanciful tale, firmly into the realm of testable science.
Ultrafast X-ray laser sheds new light on fundamental ultrafast dynamics
Ultrafast X-ray laser research led by Kansas State University has provided scientists with a snapshot of a fundamental molecular phenomenon. The finding sheds new light on microscopic electron motion in molecules.
Future electronics may depend on lasers, not quartz
(Phys.org) —Nearly all electronics require devices called oscillators that create precise frequencies—frequencies used to keep time in wristwatches or to transmit reliable signals to radios. For nearly ...
Physicists reveal random nature of metastasis
The spreading of a cancerous tumour from one part of the body to another may occur through pure chance instead of key genetic mutations, a new study has shown.
Simulating the invisible
Panagiotis Grammatikopoulos in the OIST Nanoparticles by Design Unit simulates the interactions of particles that are too small to see, and too complicated to visualize. In order to study the particles' behavior, he uses ...
Industrial lead pollution beat explorers to the South Pole by 22 years and persists today
Norwegian explorer Roald Amundsen became the first man to reach the South Pole in December of 1911. More than 100 years later, an international team of scientists led by Joe McConnell of Nevada's Desert Research ...
Simple test helps doctors catch more concussions on the field
On the football field, sometimes the signs of a concussion are subtle. A player may have taken a tough hit but isn't showing symptoms yet, and either doesn't notice anything is wrong or won't report it for fear of being taken ...
Acoustic methods to compliment current whale monitoring efforts
When it comes to monitoring the abundance and behaviors of whales, most research and conservation efforts rely on visual observations. People go out on a boat and systematically scan the ocean, clipboard ...
Yellow fever epidemic presents 200-year-old lesson in crisis management
Among natural and man-made disasters, there is perhaps nothing more baffling and terrifying than an infectious disease outbreak. In 1793, a yellow fever epidemic in Philadelphia killed about 5,000 people and altered the course ...
Researchers find one third of cancer patients are killed by a 'fat-burning' process related to obesity
Most cancer researchers are working on the biology of the tumour. However, Michele Petruzzelli, a member of Erwin Wagner's group at the Spanish National Cancer Research Centre (CNIO), has been looking for ways to attack the ...
Researchers find new fertility drug to be more effective than one used for past 40 years
A fertility drug used for more than four decades could soon be replaced with another drug that is 30 percent more effective in helping women become pregnant, according to a study with University of Florida ties.
Researchers find changes in agriculture increase high river flow rates
Just as a leaky roof can make a house cooler and wetter when it's raining as well as hotter and dryer when it's sunny, changes in land use can affect river flow in both rainy and dry times, say two University of Iowa researchers.
Samsung delays Tizen smartphone sales launch
Samsung Electronics said Monday it would postpone the roll-out of its new smartphone based on Tizen, a home-grown operating system aimed at breaking away from Google's Android system.
Engineers tap gaming technology to improve design
UNSW researchers are hoping to revolutionise engineering design with cutting-edge, low-cost 3D gaming technology.
A new stable and cost-cutting type of perovskite solar cell
Perovskite solar cells show tremendous promise in propelling solar power into the marketplace. The cells use a hole-transportation layer, which promotes the efficient movement of electrical current after exposure to sunlight. ...
Students show Wallace and Gromit 'Wrong Trousers' are scientifically possible for a short period of time
In the classic 1993 Wallace & Gromit film The Wrong Trousers Gromit receives a pair of ex-NASA robotic Techno Trousers from Wallace for his birthday which allows for its wearer to walk on walls – and physics ...
Peering into giant planets from in and out of this world
Lawrence Livermore scientists for the first time have experimentally re-created the conditions that exist deep inside giant planets, such as Jupiter, Uranus and many of the planets recently discovered outside ...
Test of equivalence principle searches for effects of spin-gravity coupling
(Phys.org) —Einstein's equivalence principle states that an object in gravitational free fall is physically equivalent to an object that is accelerating with the same amount of force in the absence of gravity. ...
Physicists propose molecular clock to expose new physics
(Phys.org) —A trio of researchers from Germany, Bulgaria and Russia has proposed the idea of using a molecular clock to determine if the electron-proton mass ratio changes over time. In their paper published ...
Next-generation dark matter experiments get the green light
(Phys.org) —Last week, the U.S. Department of Energy's Office of Science and the National Science Foundation announced support for a suite of upcoming experiments to search for dark matter that will be ...
Toward ultimate light efficiency on the cheap
(Phys.org) —Researchers at the University of Michigan have taken a major stride toward perfectly efficient lighting that is also relatively inexpensive and simple to make. The same material can also reveal ...
Physicists detect process even rarer than the long-sought Higgs particle
(Phys.org) —Scientists running the ATLAS experiment at the Large Hadron Collider (LHC), the world's largest and most powerful "atom smasher," report the first evidence of a process that can be used to test ...
Researcher explores sustainable ties among the poor in Philadelphia-based organization
Studies document two common realities for the poor – either they rely on a dense network of closely connected and supportive kin or, in the absence of such a network, establish fleeting, disposable ties ...
Internet search engines as both an aid and a danger for people at risk of suicide
If someone is thinking about suicide, the Internet often serves as a source of information. The dangerous thing about this is that content containing harmful information that can potentially encourage suicide ranks higher ...
Researchers study long-term effects of Hurrican Sandy on the health and well-being of New Jersey residents
The damage caused during Superstorm Sandy in 2012 was immediate, but the aftershocks for New Jersey residents continue in the form of enduring health, economic, environmental and social impacts. To better ...
Global impact of the Ebola outbreak
The Ebola virus has been spreading in West Africa since March, but the current outbreak over the past few weeks has reached new heights and elevated the crisis. More than 650 people have died, and in recent days it was learned ...
Best of Last Week – quantum pigeonholing, a hoverbike drone project and the sun goes quiet
(Phys.org) —Midsummer has found the physics community in a contemplative if not esoteric mood as Physicists discuss quantum pigeonhole principle—if you take three pigeons and put them in two holes, then yo ...
Superconductivity could form at high temperatures in layered 2D crystals
An elusive state of matter called superconductivity could be realized in stacks of sheetlike crystals just a few atoms thick, a trio of physicists has determined.
Building 'invisible' materials with light
A new method of building materials using light, developed by researchers at the University of Cambridge, could one day enable technologies that are often considered the realm of science fiction, such as invisibility ...
Dinosaurs fell victim to perfect storm of events, study shows
Dinosaurs might have survived the asteroid strike that wiped them out if it had taken place slightly earlier or later in history, scientists say.
US companies increasingly fish for growth overseas
(AP)—Major U.S. companies are starting to reap their most rapid growth in fertile lands of opportunity far from home.
Professors object to FAA restrictions on drone use
(AP)—Thirty university and college professors say government restrictions on the use of small drones are likely to stifle academic research.
Oncology fellows, clinicians report similar burnout
(HealthDay)—U.S. oncology fellows may underestimate the workload they will experience once they enter practice, according to research published online July 21 in the Journal of Clinical Oncology.
Potassium pills, implantable device help heart-failure patients cope with summer heat
Patients with heart failure engage in a delicate balancing act all year, taking care not to drink too much liquid because the weakened heart muscle cannot cope with excess fluid.
Virus drugmaker fights pediatricians' new advice
(AP)—A drugmaker is clashing with pediatricians over new recommendations to limit use of a costly medicine for preventing serious lung problems in preemies and other high-risk children.
Sapphire talk enlivens guesswork over iPhone 6
Sapphire screens for the next iPhone? Sapphire is second only to diamond in hardness scratch-proof properties, used in making LEDs, missiles sensors, and on screens for luxury-tier phones. Last year, the ...
New species of mayfly discovered in India
Scientists have discovered a new species of mayfly in the southern Western Ghats, a mountain range along the west coast of India. In fact, this is the first time that any mayfly belonging to the genus Labiobaetis has be ...
Hepatitis C virus genotype 1 is most prevalent worldwide
In one of the largest prevalence studies to date, researchers from the U.K. provide national, regional, and global genotype prevalence estimates for the hepatitis C virus (HCV). Findings published in Hepatology, a journa ...
How strongly does tissue decelerate the therapeutic heavy ion beam?
Physikalisch-Technische Bundesanstalt has developed a method for the more exact dosing of heavy ion irradiation in the case of cancer.
Scientists challenge classical phenomenon that water always completely wets water
Viewed macroscopically at room temperature, when water contacts other water, it will spread out and finally both mix together. In 2009, Chinese researchers first reported observing the formation of a liquid ...
Research hones pore-scale models
The physical and chemical processes that occur at the scale of individual soil particles dictate the way fluids flow underground over much larger scales. To more accurately predict how plumes of subsurface ...
New simple setup for X-ray phase contrast
X-ray phase-contrast imaging is a method that uses the refraction of X-rays through a specimen instead of attenuation resulting from absorption. The images produced with this method are often of much higher ...
Arrays of electrons trapped in nanoscale circuitry could form the basis for future scalable quantum computers
A single electron trapped in a semiconductor nanostructure can form the most basic of building blocks for a quantum computer. Before practical quantum computers can be realized, however, scientists need to ...
1 in 3000 blood donors in England infected with hepatitis E
The first systematic analysis of hepatitis E virus (HEV) transmission by blood components indicates that about 1 in 3000 donors in England have HEV in their plasma. The findings, published in The Lancet, suggest that around ...
Vietnam's taste for cat leaves pets in peril
The enduring popularity of "little tiger" as a snack to accompany a beer in Vietnam means that cat owners live in constant fear of animal snatchers, despite an official ban.
Biologic treatments for RA carry similar infection risk
(HealthDay)—The risk of hospitalized bacterial infections in older rheumatoid arthritis (RA) patients is similar for rituximab or abatacept compared to etanercept, although it is higher for infliximab, ...
New oral drug regimens cure hardest-to-treat hepatitis C
Two new pill-only antiviral drug regimens could provide shorter, more effective treatment options with fewer side effects for the majority of patients infected with hepatitis C, even those most difficult to treat, according ...
Online information most cost-effective means of increasing MMR uptake, research finds
Giving parents access to a website containing information about the measles, mumps and rubella (MMR) vaccine is the most cost-effective way of increasing its uptake, new University of Leeds research has found.
Lifestyle choices may affect the long-term heart health of childhood cancer survivors
A new study has found that following a healthy lifestyle may lower childhood cancer survivors' risk of developing the metabolic syndrome. Published early online in CANCER, a peer-reviewed journal of the American Cancer Societ ...
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