Last update Extraordinary momentum and spin discovered in evanescent light waves, Mar 06, 2014
A team of researchers from the RIKEN Center for Emergent Matter Science (CEMS) in Japan has identified unexpected dynamic properties of a type of light wave called evanescent waves. These surprising findings ...
Mar 06, 2014
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With cutting-edge technology, sometimes the first step scientists face is just making sure it actually works as intended.
Mar 05, 2014
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Two-particle interference has been the focus of many studies, specifically in quantum optics with photons. However, interference between two massive, identical particles is not so well understood. In a study published in ...
Mar 04, 2014
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(Phys.org) —Like a spring connecting two swings, light can act as photon glue that binds together the quantum mechanical properties of two vastly different materials.
Mar 03, 2014
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How do you build a universal quantum computer? Turns out, this question was addressed by theoretical physicists about 15 years ago. The answer was laid out in a research paper and has become known as the ...
Feb 27, 2014
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In a paper published this week in the journal Physical Review Letters, MIT researchers propose an experiment that may close the last major loophole of Bell's inequality—a 50-year-old theorem that, if vio ...
Feb 20, 2014
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(Phys.org) —Defects in microscopic diamonds caused by the presence of silicon could provide researchers with a potent basis for developing new technologies, including nanoscale sensing devices.
Feb 19, 2014
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The idea to perform data processing with light, without relying on any electronic components, has been around for quite some time. In fact, necessary components such as optical transistors are available. ...
Feb 19, 2014
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(Phys.org) —Quantum mechanics offers the potential for creating communication technologies with an inherently higher security level than today's classical technologies. Using quantum digital signatures ...
Feb 17, 2014
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Scientists from the FOM Foundation and Delft University of Technology have manipulated a quantum particle, merely by looking at it in a smart way. By adjusting the strength of their measurement according ...
Feb 17, 2014
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Atomtronics is an emerging technology whereby physicists use ensembles of atoms to build analogs to electronic circuit elements. Modern electronics relies on utilizing the charge properties of the electron. ...
Feb 12, 2014
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(Phys.org)—A team of researchers with members from Hokkaido and Osaka Universities in Japan has used quantum entanglement of photons to improve image results created using differential interference contrast ...
Feb 11, 2014
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Seeking a solution to decoherence—the "noise" that prevents quantum processors from functioning properly—scientists at USC have developed a strategy of linking quantum bits together into voting blocks, a strategy that ...
Feb 06, 2014
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(Phys.org) —The laws of thermodynamics determine what is possible and impossible in classical systems. Lately, scientists have been working on establishing quantum analogues of these fundamental laws to ...
Feb 05, 2014
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(Phys.org) —A team of physicists is challenging the very limits of Heisenberg's famous uncertainty principle by measuring quantum particles with unprecedented accuracy.
Feb 05, 2014
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(Phys.org) —Texas A&M University physicist Helmut G. Katzgraber's research takes him to the crossroads of physics, computer science, quantum information theory and statistical mechanics. For more than a ...
Feb 05, 2014
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New research shows that a remarkable defect in synthetic diamond produced by chemical vapor deposition allows researchers to measure, witness, and potentially manipulate electrons in a manner that could lead ...
Feb 04, 2014
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Scientists from the FOM Foundation and the Technical University Delft, working together at the Kavli Institute of Nanoscience, have succeeded in detecting and correcting errors during the storage of quantum ...
Feb 03, 2014
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In this month's issue of Physics World, Jon Cartwright explains how the revelation that the US National Security Agency (NSA) is developing quantum computers has renewed interest and sparked debate on just how far ahead ...
Jan 31, 2014
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An international research group led by the University of Bristol has made an important advance towards a quantum computer by shrinking down key components and integrating them onto a silicon microchip.
Jan 30, 2014
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(Phys.org) —A trio of researchers at Tohoku University in Japan, led by Masahiro Hotta, has proposed a new way to teleport energy that allows for doing so over long distances. In their paper published in ...
Jan 28, 2014
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Nanoscale Superconducting QUantum Interference Devices (nanoSQUIDs) are potentially the most sensitive measurement devices in the world. They detect changes in an electromagnetic property known as magnetic ...
Jan 28, 2014
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How would electrons behave if confined to a wire so slender they could pass through it only in single-file?
Jan 23, 2014
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Heralding a new age of terrific timekeeping, a research group led by a National Institute of Standards and Technology (NIST) physicist has unveiled an experimental strontium atomic clock that has set new ...
Jan 22, 2014
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Until recently measuring a 27-dimensional quantum state would have been a time-consuming, multistage process using a technique called quantum tomography, which is similar to creating a 3D image from many 2D ones. Researchers ...
Jan 20, 2014
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(Phys.org) —Computer security systems may one day get a boost from quantum physics, as a result of recent research from the National Institute of Standards and Technology (NIST). Computer scientist Yi-Kai ...
(Phys.org) —The quantum and classical worlds are clearly very different, but how a physical system transitions between them is much less clear. The most well-known attempt to explain the quantum-to-classical transition ...
Understanding collective behavior of ultra-cold quantum gases is of great interest since it is intimately related to many encountered systems in nature such as human behavior, swarms of birds, traffic jam, sand dunes, neutron ...
Light-gathering macromolecules in plant cells transfer energy by taking advantage of molecular vibrations whose physical descriptions have no equivalents in classical physics, according to the first unambiguous ...
Quantum computing is getting the headlines these days, with buzz among scientists of giga-powered number-crunching and unbreakable encryption.
(Phys.org) —In past years, the television was less fondly called the idiot box. Today the TV is more fondly being promoted as a potential informationalized box, signified by technology offered by a new ...
(Phys.org) —After searching hundreds of millions of objects across our sky, NASA's Wide-Field Infrared Survey Explorer (WISE) has turned up no evidence of the hypothesized celestial body in our solar system ...
(Phys.org) —Using data from NASA's Van Allen Probes, researchers have tested and improved a model to help forecast what's happening in the radiation environment of near-Earth space—a place seething with ...
By literally looking below the surface and digging up the dirt, Cornell researchers have discovered that a burgeoning deer population forever alters the progression of a forest's natural future by creating environmental havoc ...
With three young children and a full-time job, Emma Martini has little time for computer games. But every night she sits quietly at the end of her son's bed to reassure him while he falls asleep—and plays Candy Crush.
In end-stage lung disease, transplantation is sometimes the only viable therapeutic option, but organ availability is limited and rejection presents an additional challenge. Innovative research efforts in ...
(HealthDay)—Doctors in the United States are writing more prescriptions for sedatives than ever before, and the frequent use of these powerful drugs in combination with narcotic painkillers may be causing ...
(AP)—There is something surprising in the radioactive wreck that is the Fukushima Dai-ichi nuclear power plant: opportunity. To clean it up, Japan will have to develop technology and expertise that any ...
In front of a rapt audience in a Los Angeles film lot, Krepo hooks an enemy with his scythe and harvests virtual souls with a signature move called a "death sentence".
(HealthDay)—Higher body mass index (BMI) is associated with increased cost of care and longer hospital stays for patients who present to the emergency department with chest pain and dyspnea, according to ...
Smooth" or grainy? Is space-time continuous or is it made up of very fine (10-35 metres on the "Planck scale") but discrete grains, if we look at it very close up ? If the latter were true, scientists think, ...
(Phys.org) —In theory, Maxwell's demon can decrease the entropy of a system by opening and closing a door at appropriate times to separate hot and cold gas molecules. But as physicist Leó Szilárd pointed ...
Constantly losing energy is something we deal with in everything we do. If you stop pedaling a bike, it gradually slows; if you let off the gas, your car also slows. As these vehicles move, they also generate ...
Together with a supporting research team, Kassel physicist Prof. Dr. Christiane Koch has made a discovery that is sure to attract significant attention among experts. Criteria established in the course of her research make ...
(Phys.org) —Popular television shows such as "Doctor Who" have brought the idea of time travel into the vernacular of popular culture. But problem of time travel is even more complicated than one might think. LSU's Mark ...
Swirling, persistent vortices can be created in superfluid helium. Generally no atoms sit at the eye of these miniature hurricanes. Things might be different in condensates of ultracold atoms. Theorists at ...
Quantum entanglement is one of the more bizarre theories to come out of the study of quantum mechanics—so strange, in fact, that Albert Einstein famously referred to it as "spooky action at a distance."
Quickly switching the orientation of a laser beam enables control over the quantum properties of light.
(HealthDay)—Indoor air pollution, specifically mold and environmental tobacco smoke, is associated with asthma and asthma-related respiratory symptoms in middle-aged adults, according to a study published ...
(Phys.org) —A team of four researchers from several universities in the U.S. has given a presentation at this year's American Physical Society meeting, outlining a theory they are developing to help explain ...
Visa and MasterCard are forming a group that's intended to help the retail and banking industries come together on more-secure credit card payments.
The US aviation agency said Friday it will appeal the dismissal of a $10,000 fine it imposed on a Swiss entrepreneur who flew a drone over a college campus to make a commercial.
A mystery man. A splashy reveal. A media frenzy. Newsweek staked its return from the dead on a story it knew would get attention. A cover story claiming it had uncovered "the face behind bitcoin," the world's ...
(HealthDay)—Two lots of Pfizer's antidepressant drug Effexor XR (venlafaxine HCl) are being recalled because they may contain capsules of another drug called Tikosyn (dofetilide), which is used to treat ...
We often think of playing fair as an altruistic behavior. We're sacrificing our own potential gain to give others what they deserve. What could be more selfless than that? But new research from Northeastern University assistant ...
(HealthDay)—Clearance of zolpidem (administered as a sublingual tablet; ZST) is lower in females compared to males, according to a study published in the March issue of The Journal of Clinical Pharmacology.
The stock market debut of Coupons.com brought out bargain-seekers on Friday, shooting the online discount firm up a stunning 87 percent.
Facebook-owned photo sharing service Instagram on Friday said it has landed its first deal with a major ad agency.
A potent new painkiller hit the US market this week, despite warnings from top experts that the drug may deliver a deadly setback in America's battle with opioid addiction.
The Australian state of Queensland is in the grip of its most widespread drought ever, with close to 80 percent of its territory parched after a failed wet season, officials said Friday.
(HealthDay)—For patients with ST-segment elevation myocardial infarction (STEMI), hyperglycemia is associated with larger area-at-risk and infarct size, and the effect of exenatide treatment is independent ...
(HealthDay)—Requiring the flu vaccination for child care admission seems to have increased vaccination rates and led to lower hospitalization rates for influenza in young children, according to a report ...
Britain's biggest abortion provider was fined Friday by a data protection watchdog after a computer hacker obtained the details of thousands of women who had sought its help.
There's promising news from the front on efforts to produce fuels through artificial photosynthesis. A new study by Berkeley Lab researchers at the Joint Center for Artificial Photosynthesis (JCAP) shows ...
Quantum entanglement, a perplexing phenomenon of quantum mechanics that Albert Einstein once referred to as "spooky action at a distance," could be even spookier than Einstein perceived.
(Phys.org) —It is fascinating how quantum mechanical behavior of particles at smallest scales can give rise to strange properties that can be observed in the classical world. One example is the Fractional ...
A colloquium paper published in European Physical Journal D looks into the alleged issues associated with quantum theory. Berthold-Georg Englert from the National University of Singapore reviews a selection of the potent ...
Magnets have fascinated mankind for millenia. From the Greek philosophers to scientists of the modern era, which saw the rise of quantum mechanics, magnets have been pondered and investigated. Nowadays, ...
Theoretical physicist Ana Maria Rey uses the computer, as well as pencil and paper, to develop mathematical models that describe the behavior of ultra-cold atoms. The idea is to use these systems to learn ...
Columbia University Medical Center (CUMC) researchers have found that decision-making accuracy can be improved by postponing the onset of a decision by a mere fraction of a second. The results could further our understanding ...
Samsung on Friday unveiled a new free music service for its phones that it touts as a significant improvement from the apps already on the market.
(HealthDay)—Medical schools are beginning to change their curriculum to address ways to eliminate health disparities, according to the American Medical Association (AMA).
Australia is world famous for its venomous critters, including its many highly venomous snakes.
Industrial processes that require high temperatures often expel any surplus heat into the environment. While industries are fairly good at using as much of this surplus as possible, a small amount of heat ...
Yellowstone National Park administrators say shipments of wild bison to slaughter are done for the winter after almost 600 animals were removed in an effort to shrink their numbers.
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