Last update World's highest quantum efficiency UV photodetectors developed, 6 hours ago
Researchers from Northwestern University's McCormick School of Engineering and Applied Science have developed the world's highest quantum efficiency ultraviolet (UV) photodetector, an advance in technology ...
6 hours ago
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In many ways, traditional chemical synthesis is similar to cooking. To alter the final product, you can change the ingredients or their ratio, change the method of mixing ingredients, or change the temperature ...
9 hours ago
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On the weekend, a tank of radioactive material leaked from the closed Ranger uranium mine in the Northern Territory. While this has prompted concerns about the health of the surrounding Kakadu National Pa ...
8 hours ago
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(Phys.org) —A team of researchers from a variety of institutions in the U.S. has reevaluated a measurement made of the lifetime of a neutron back in 2005 and in doing so has reduced the uncertainty of the ...
Dec 06, 2013
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Sophisticated recent experiments with ultrashort laser pulses support the idea that intuition-defying quantum interactions between molecules help plants, algae, and some bacteria efficiently gather light to fuel their growth. ...
Dec 06, 2013
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JILA researchers have developed a method of spinning electric and magnetic fields around trapped molecular ions to measure whether the ions' tiny electrons are truly round—research with major implications ...
Dec 05, 2013
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(Phys.org) —A new technique developed at Berkeley Lab's Advanced Light Source could help scientists better understand and improve the materials required for high-performance lithium-ion batteries that power ...
Dec 05, 2013
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In principle, the strange features of quantum mechanics can be accessed using single electrons as carriers of quantum information. However, while electrons can be captured in solid-state electrostatic traps, ...
Dec 05, 2013
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The National Institute of Standards and Technology (NIST) has developed prototype calibration tools for an experimental medical imaging technique that offers new advantages in diagnosing and monitoring of ...
Dec 05, 2013
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(Phys.org) —A mathematical scientist with the Isaac Newton Institute for Mathematical Sciences at the University of Cambridge, has proposed a possible way to test for the existence of axions—theoretical ...
Dec 04, 2013
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(Phys.org) —Contrary to many textbook illustrations, electrons aren't just balls floating around an atom. In quantum theory, they're more like little tops, exhibiting "spin," and each creating its own tiny ...
Dec 04, 2013
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X-rays transformed medicine a century ago by providing a noninvasive way to detect internal structures in the body. Still, they have limitations: X-rays cannot image the body's soft tissues, except with the ...
Dec 04, 2013
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Human beings don't come with power sockets, but a growing numbers of us have medical implants that run off electricity. To keep our bionic body parts from powering down, a group of Arizona researchers is developing a safe, ...
Dec 04, 2013
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(Phys.org) —An X-ray imaging system developed by Victoria University researcher Nicola Winch could open the way for X-rays to be carried out in a range of new environments.
Dec 04, 2013
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A team working at the SACLA X-ray Free-Electron Laser (XFEL) in Japan has succeeded in generating ultra-bright, two-color X-ray laser pulses, for the first time in the hard X-ray region. These light pulses ...
Dec 04, 2013
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Researchers from CNRS, Inserm, and Université Joseph Fourier - Grenoble have developed a particularly simple model that reproduces the swimming mechanism of amoebas. They show that, by changing shape, these ...
Dec 04, 2013
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(Phys.org) —Alberto Vailati and colleagues at the University of Milan have uncovered a truly astonishing feat of physics used by spitting Archerfish to catch prey. Vailati et al report in a paper they've ...
Dec 03, 2013
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(Phys.org) —Oil and water don't mix, as any chemist or cook knows. Tom Russell, a polymer scientist from the University of Massachusetts who now holds a Visiting Faculty appointment with Berkeley Lab's ...
Dec 03, 2013
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The mating roar of a male harbor seal is supposed to attract a partner, not a predator. Unfortunately for the seals, scientists have found evidence that marine-mammal-eating killer whales eavesdrop on their ...
Dec 03, 2013
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Neutrinos are a great tool to learn more about the subatomic structure of matter and the nature of our universe. Results from the MiniBooNE experiment at DOE'sFermi National Accelerator Laboratory now help sc ...
Dec 03, 2013
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(Phys.org) —When Harry Potter walks around with a visible head but an invisible body, the performance seems strongly rooted in fantasy. But in a new study, scientists have designed and fabricated an invisibility ...
Dec 02, 2013
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The properties of these lead bricks recovered from ancient shipwrecks are ideal for experiments in particle physics. Scientists from the CDMS dark matter detection project in Minnesota (USA) and from the ...
Nov 29, 2013
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(Phys.org) —A team of scientists who specialize in multiple-choice test assessment at Brock and Trent University's in Canada has conducted a study to find out if students could use Benford's law to help ...
Nov 29, 2013
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A team of researchers from the IMP Vienna together with collaborators from the Vienna University of Technology established a new microscopy technique which greatly enhances resolution in the third dimension. ...
Nov 29, 2013
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Almost all the mass of an atom is concentrated in its nucleus in the form of protons and neutrons. Some nuclei are intrinsically unstable, existing for only a short time before decaying into stable nuclei. ...
Nov 29, 2013
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(Phys.org) —In the world of biomedical science, optical microscopy rules – and nonlinear optical microscopy, which uses ultrashort pulse lasers as the illumination source, allows researchers to glean ...
(Phys.org) —Italian company Energy Catalyzer (shortened to ECAT) has announced that it is right now taking preorders for its ECAT 1MW portable cold fusion plant. Founded by Italian scientist Andrea Ros ...
The ATLAS experiment at CERN has released preliminary results that show evidence that the Higgs boson decays to two tau particles. Taus belong to a group of subatomic particles called the fermions, which ...
The reactor walls of future fusion reactors will absorb fusion fuel one million times slower than previous research had indicated. A layer of bound hydrogen on the surface of the tungsten wall seems to protect ...
They are the coldest objects in the Universe and are so fragile that even a single photon can heat and destroy them.
A team led by a longtime Oregon Health & Science University researcher has demonstrated in mice what could be a revolutionary new technique to cure a wide range of human diseases—from cystic fibrosis to cataracts to Alzheimer's ...
Researchers from Brown University and the University of Hawaii have found some mineralogical surprises in the Moon's largest impact crater.
(Phys.org) —An atmospheric peculiarity the Earth shares with Jupiter, Saturn, Uranus and Neptune is likely common to billions of planets, University of Washington astronomers have found, and knowing that ...
Women scientists specialising in infectious disease research have fewer studies funded than men, and receive less funding across most topic areas in the specialty than their male peers, finds a study published in the online ...
The failure of successive governments to implement a comprehensive national policy to get UK kids more active and stave off the litany of health and other problems their sedentary lifestyle is storing up for them, is mass ...
(Medical Xpress)—A head injury can lead immune-system brain cells to go on "high alert" and overreact to later immune challenges by becoming excessively inflammatory – a condition linked with depressive complications, ...
Drugs that enhance a process called oxidative stress were found to kill rhabdomyosarcoma tumor cells growing in the laboratory and possibly bolstered the effectiveness of chemotherapy against this aggressive tumor of muscle ...
Blood clots play an unexpected role in protecting the body from the deadly effects of bacteria by absorbing bacterial toxins, researchers at the University of California, Davis, have found. The research was ...
In the first 300 days of the Mars Science Laboratory's surface mission, the Curiosity rover cruised around the planet's Gale Crater, collecting soil samples and investigating rock structures while the onboard ...
University of Oregon chemists studying the structure of ligand-stabilized gold nanoparticles have captured fundamental new insights about their stability. The information, they say, could help to maintain a desired, integral ...
Scientists have recorded and identified one of the most prominent sounds of a warming planet: the sizzle of glacier ice as it melts into the sea. The noise, caused by trapped air bubbles squirting out of the disappearing ...
Major industries such as modern microelectronics are based on the interaction between matter and electromagnetism. Electromagnetic signals can be processed and stored in specially tailored materials. In materials ...
Mention vuvuzela to soccer fans, and they may cringe. The plastic horn rose to prominence during the 2010 World Cup in South Africa, where tens of thousands of those instruments blared in packed stadiums. The loud, buzzing ...
(Phys.org) —Officially, the radius of a proton is 0.88 ± 0.01 femtometers (fm, or 10-15 m). Researchers attained that value using two methods: first, by measuring the proton's energy levels using hydr ...
A force that intricately links the rotation of the Earth with the direction of weather patterns in the atmosphere has been shown to play a crucial role in the creation of the hypnotic patterns created by ...
What do Jell-O, toothpaste, and floating fire-ant rafts have in common? All are so-called "viscoelastic" materials, meaning that they can both resist flow under stress, like honey, and they can bounce back ...
When night falls over Geneva and technicians, engineers and physicists finish their work in the Large Hadron Collider tunnel to go home, Gunter Kniesche and his colleagues take the helm. They are non-destructive ...
Spontaneous bursts of light from a solid block illuminate the unusual way interacting quantum particles behave when they are driven far from equilibrium. The discovery by Rice University scientists of a way ...
Facebook unveiled plans Monday on a partnership with New York University for a new center for artificial intelligence, aimed at harnessing the huge social network's massive trove of data.
US mobile carriers provided some one million records to law enforcement in 2012 related to warrants, wiretaps, location data and "cell-tower dumps," documents released by a US senator showed.
Feeling chilly? Here's cold comfort: You could be in East Antarctica which new data says set a record for soul-crushing cold.
Uruguay is pushing ahead to create a legal marijuana market despite warnings from educators, psychiatrists and pharmacists of dangerous side effects.
(Phys.org) —One of the biggest challenges facing rechargeable batteries with lithium (Li) electrodes is the growth of dendrites, which can short-circuit the batteries and cause complete failure. Although ...
Zinc, an essential nutrient, is found in every tissue in the body. The vast majority of the metal ion is tightly bound to proteins, helping them to perform biological reactions. Tiny amounts of zinc, however, ...
Scientists from Case Western Reserve University and University of Kansas Medical Center have restored behavior—in this case, the ability to reach through a narrow opening and grasp food—using a neural prosthesis in a ...
Tropical Cyclone Madi is headed for a landfall in southeastern India, and NASA and the Japan Aerospace Exploration Agency's TRMM satellite found that rainfall was heaviest north of the storm's center.
Accelerated Resolution Therapy, or ART, is a brief, safe, and effective treatment for combat-related symptoms of post-traumatic stress disorder (PTSD) among veterans and U.S. service members, researchers ...
When faced with the challenge of protecting sensitive scientific equipment and computers from radiation, engineers at the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility decided ...
In a world where animals often take the place of humans, sugar-sweetened beverages, exaggerated portion sizes and unhealthy snacks are common. So is TV watching, computer use and video games.
The home team holds the advantage over visitors – at least in the plant world. However, a mere handful of genetic adaptations could even the playing field.
Using the new, high-frequency capabilities of the National Science Foundation's Robert C. Byrd Green Bank Telescope (GBT), astronomers have captured never-before-seen details of the nearby starburst galaxy ...
(Phys.org) —Synthetic, man-made cells and ultrathin electronics built from a new form of "zero-dimensional" carbon nanotube may be possible through research at the University of Pittsburgh Swanson School ...
A friend posts a picture on Facebook that shows you picking food out of your teeth. Awkward!
The study identifies five healthy behaviours as being integral to having the best chance of leading a disease-free lifestyle: taking regular exercise, non-smoking, a low bodyweight, a healthy diet and a low alcohol intake.
Plants use a variety of methods to spread their seeds, including gravity, forceful ejection, and wind, water, and animal dispersion. But what of the mushrooms, whose spores also need to be strewn far and ...
A recent study led by researchers of the Institute of Photonic Sciences (ICFO) achieved the highest force sensitivity ever observed with a nano-mechanical resonator. The scientific results of this study have ...
A study shows for the first time that X-ray lasers can be used to generate a complete 3-D model of a protein without any prior knowledge of its structure.
Up, up in the sky: It's a bird! It's a plane! It's a... jellyfish? That's what researchers have built—a small vehicle whose flying motion resembles the movements of those boneless, pulsating, water-dwelling creatures.
Many owl species have developed specialized plumage to effectively eliminate the aerodynamic noise from their wings – allowing them to hunt and capture their prey in silence.
By relentlessly miniaturizing a pre-World War II computer technology, and combining this with a new and durable material, researchers at Case Western Reserve University have built nanoscale switches and logic ...
A team led by a Washington State University researcher has found that organic milk contains significantly higher concentrations of heart-healthy fatty acids compared to milk from cows on conventionally managed dairy farms. ...
Scientists have found evidence that there was once an ancient lake on Mars that may have been able to support life, in research published today in the journal Science.
Millions of people across the world live or depend on deltas for their livelihoods.
In mice with a rodent form of multiple sclerosis (MS), vitamin D appears to block damage-causing immune cells from migrating to the central nervous system, offering a potential explanation for why the so-called "sunshine ...
In researching neural pathways, it helps to establish an analogous relationship between a region of the human brain and the brains of more-easily studied animal species. New work from a team led by Carnegie's ...
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