Last update New model for the origin of grid cells, 1 hour ago
Ludwig Maximilian University of Munich neurobiologists present a new theory for the origin of the grid cells required for spatial orientation in the mammalian brain, which assigns a vital role to the timing of trains of signals ...
Researchers at IMS and their coworkers have shown theoretically and experimentally that a high energy electron in circular/spiral motion radiates vortex photons from the radio wavelength to gamma rays. This greatly broadens ...
Magnets and magnetic phenomena underpin the vast majority of modern data storage, and the measurement scales for research focused on magnetic behaviors continue to shrink with the rest of digital technology. Skyrmions, for ...
In 1928, physicist Paul Dirac made the stunning prediction that every fundamental particle in the universe has an antiparticle - its identical twin but with opposite charge. When particle and antiparticle met they would be ...
(Phys.org)—Physicists have reported some of the strongest evidence yet that that the quantum world does not obey local realism by demonstrating new evidence for the existence of quantum entanglement. By performing an essentially ...
Researchers have made the first direct visual observation and measurement of ultra-fast vortex dynamics in superconductors. Their technique, detailed in the journal Nature Communications, could contribute to the development ...
An international team of researchers has found a way to determine whether a crystal is a topological insulator—and to predict crystal structures and chemical compositions in which new ones can arise. The results, published ...
Brown University researchers have developed a new method of manipulating the polarization of light at terahertz frequencies.
Researchers have performed the first ever quantum-mechanical simulation of the benchmark ultracold chemical reaction between potassium-rubidium (KRb) and a potassium atom, opening the door to new controlled chemistry experiments ...
With help from robotic fish, researchers at the New York University Tandon School of Engineering are demonstrating how information theory can offer insight into the cause-and-effect relationships between predator and prey ...
If Plastic Man, Elastigirl or Mr. Fantastic ever encounter Magneto, they'd better hope the iconic X-Men figure hasn't read the latest research from Christian Binek.
Technology developed by a team of University of Utah electrical and computer engineers could make the holographic chess game R2-D2 and Chewbacca played in "Star Wars" a reality.
A new study into the way bone cells organise during bone formation could open the door to a better understanding of diseases such as osteoporosis.
We learn in school that matter comes in three states: solid, liquid and gas. A bored and clever student (we've all met one) then sometimes asks whether glass is a solid or a liquid.
Mathematicians at the Universities of York, Munich and Cardiff have identified a unique property of quantum mechanical particles – they can move in the opposite way to the direction in which they are being pushed.
It's hard to get an X-ray image of low-density material like tissue between bones because X-rays just pass right through like sunlight through a window. But what if you need to see the area that isn't bone?
Many physical phenomena can be modeled with relatively simple math. But, in the quantum world there are a vast number of intriguing phenomena that emerge from the interactions of multiple particles—"many bodies" - which ...
A new technique that makes blood clots optically clear is allowing researchers to use powerful optical microscopy techniques to study the 3-D structure of dangerous clots for the first time. Although blood clots stop bleeding ...
A new computer simulation shows the promising possibilities of the booming field of topology. Smartly designed mechanical structures carry sound exclusively one way and are immune to fabrication errors. The study has been ...
Throughout the universe, supersonic shock waves propel cosmic rays and supernova particles to velocities near the speed of light. The most high-energy of these astrophysical shocks occur too far outside the solar system to ...
A team of engineers at Caltech has discovered how to use computer-chip manufacturing technologies to create the kind of reflective materials that make safety vests, running shoes, and road signs appear shiny in the dark.
Nanoscale deformations could impact the high-precision experiments, such as the Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO)
Alzheimer's disease results from a dysfunctional stacking of protein molecules that form long fibers inside brain cells. Similar stacking occurs in sickle-cell anemia and mad cow disease.
The rapidly developing science and technology of graphene and atomically-thin materials has taken another step forward with new research from The University of Manchester.
Researchers from the Theory Department of the MPSD have realized the control of thermal and electrical currents in nanoscale devices by means of quantum local observations.
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To some degree of approximation, atomic nuclei are spherical, though distorted to a greater or lesser extent. When the nucleus is excited, its shape may change, but only for an extremely brief moment, after which it returns ...
Magnets are found in motors, in energy production and in data storage. A deeper understanding of the basic properties of magnetic materials could therefore impact our everyday technology. A study by Scientists at the Paul ...
Cosmological and astrophysical observations based on gravitational interactions indicate that the matter described by the Standard Model of particle physics constitutes only a small fraction of the entire known universe. ...
What is the mass of a proton? Scientists from Germany and Japan have made an important step toward better understanding this fundamental constant. By means of precision measurements on a single proton, they were able to improve ...
Physicists are capitalizing on a direct connection between the largest cosmic structures and the smallest known objects to use the universe as a "cosmological collider" and investigate new physics.
As part of the ATLAS collaboration, the Freiburg research group led by Prof. Dr. Karl Jakobs and Dr. Christian Weiser has contributed to finding strong evidence that, among other things, the Higgs particle decays into quarks. ...
Physicists have developed a new technique that uses electrical voltages to control the electron spin on a chip. The newly-developed method provides protection from spin decay, meaning that the contained information can be ...
Attosecond science has revolutionized the way we look into the time-dependent evolution of the microscopic world, where the behaviour of matter is governed by the rules of quantum mechanics. The technological breakthrough ...
A new, compact technique for producing beams of high-energy photons (particles of light) with precisely controlled energy and direction could "see" through thick steel and concrete to more easily detect and identify concealed ...
At the heart of the world's most powerful pulsed-neutron source is a liquid mercury target.
Scientists from the Moscow Institute of Physics and Technology (MIPT) and international collaborators have developed a new type of optical fiber that has an extremely large core diameter and preserves the coherent properties ...
Scientists seeking lead-free materials for use in sensors, actuators and ultrasonic motors have recently focused their efforts on a type of ceramic commonly referred to as BCZT. New research by physicists at the University ...
Although the discovery of the Higgs boson by the ATLAS and CMS Collaborations in 2012 completed the Standard Model, many mysteries remain unexplained. For instance, why is the mass of the Higgs boson so much lighter than ...
Thanks to an innovative ring laser design, geophysicists at LMU can now measure and monitor Earth's rotation with unprecedented accuracy. The new instrument in Fürstenfeldbruck will be formally inaugurated this week.
The expanding field of spintronics promises a new generation of devices by taking advantage of the spin degree of freedom of the electron in addition to its charge to create new functionalities not possible with conventional ...
Nature doesn't like having interfaces—this is why bubbles like to be round, and the surface of a pond settles to flat as long as it's not disturbed. These trends minimize the total amount of interface (or surface) that ...
Many animal species display flocking behaviour, but the fact that microorganisms do is not as well known. Researchers at Lund University in Sweden have now shown that algae and bacteria form flocks at very low concentrations ...
Basic processes in chemistry and biology involve protons in a water environment. Water structures accommodating protons and their motions have so far remained elusive. Applying ultrafast vibrational spectroscopy, researchers ...
Academic journals are increasingly asking authors to use transparent reporting practices to "trust, but verify" that outcomes are not being reported in a biased way and to enable other researchers to reproduce the results. ...
US entrepreneur Elon Musk said Thursday he'd received tentative approval from the government to build a conceptual "hyperloop" system that would blast passenger pods down vacuum-sealed tubes from New York to Washington at ...
Cutting through the ocean like a jet through the sky, giant bluefin tuna are built for performance, endurance and speed. Just as the fastest planes have carefully positioned wings and tail flaps to ensure precision maneuverability ...
The sharp eye of NASA's Hubble Space Telescope has captured the tiny moon Phobos during its orbital trek around Mars. Because the moon is so small, it appears star-like in the Hubble pictures.
(Phys.org)—A combined team of researchers from Université Paris Diderot in France and Universidad Nacional de Córdoba in Argentina has discovered a reaction process that can be used to convert carbon dioxide to methane. ...
(Phys.org)—A team of researchers from several institutions in Germany and Australia has developed an optical high-bitrate nanoantenna that they used with an optical waveguide. In their paper published on the open access ...
Astronomers from Swinburne University of Technology, Australia, and the University of Minnesota Duluth, USA, have provided a way for armchair astronomers, and even primary school children, to merely look at a spiral galaxy ...
A bag Neil Armstrong used to collect the first ever samples of the moon—which was once nearly thrown out with the trash—sold at auction Thursday for $1.8 million, Sotheby's said.
It was midafternoon, but it was dark in an area in Boulder, Colorado on Aug. 3, 1998. A thick cloud appeared overhead and dimmed the land below for more than 30 minutes. Well-calibrated radiometers showed that there were ...
Google and the EU are gearing up for a battle that could last years, with the Silicon Valley behemoth facing a relentless challenge to its ambition to expand beyond search results.
In 2014, a team of researchers led by a paleobiologist from the University of Missouri found that clams from the Holocene Epoch (that began 11,700 years ago) contained clues about how sea level rise due to climate change ...
Coral reefs are our most diverse marine habitat. They provide over US$30 billion to the world economy every year and directly support over 500 million people. However, they are vulnerable with climate change impact models ...
Researchers at the University of California, Berkeley, have discovered how Cas1-Cas2, the proteins responsible for the ability of the CRISPR immune system in bacteria to adapt to new viral infections, identify the site in ...
EPFL researchers have developed an optical imaging tool to visualize surface chemistry in real time. They imaged the interfacial chemistry in the microscopically confined geometry of a simple glass micro-capillary. The glass ...
Instead of having more children, a grandmother may pass on her genes more successfully by using her cognitive abilities to directly or indirectly aid her existing children and grandchildren. Such an advantage could have driven ...
A new Northwestern University study suggests that paying people to conserve their trees could be a highly cost-effective way to reduce deforestation and carbon emissions and should be a key part of the global strategy to ...
A study in fruit flies suggests that existing approaches to gene drives using CRISPR/Cas9, which aim to spread new genes within a natural population, will be derailed by the development of mutations that give resistance to ...
Cheap, plastic toys—no manufacturer necessary. The 2020 toy and game market is projected to be $135 billion, and 3-D printing brings those profits home.
The international Spitzer Adaptation of the Red-sequence Cluster Survey (SpARCS) collaboration based at the University of California, Riverside has combined observations from several of the world's most powerful telescopes ...
Scientists have designed a new type of cathode that could make the mass production of sodium batteries more feasible. Batteries based on plentiful and low-cost sodium are of great interest to both scientists and industry ...
Every day, humans pick up on idiosyncrasies such as slow drawls, high-pitched squeaks, or hints of accents to put names to voices from afar. This ability may not be as unique as once thought, researchers report on July 20 ...
The world's most extensive study of a major storm front striking the coast has revealed a previously unrecognised danger from climate change: as storm patterns fluctuate, waterfront areas once thought safe are likely to be ...
Research led by Monash University Earth scientists has added a new dimension to understanding life on Mars with the discovery that meteorites may be able to 'trap' evidence of Martian life.
From aerospace and defense to digital dentistry and medical devices, 3-D printed parts are used in a variety of industries. Currently, 3-D printed parts are very fragile and only used in the prototyping phase of materials ...
A pair of ESA rovers trundled around a moon-like area of Tenerife by both day and night during a nine-day test campaign, gathering terabytes of data for follow-up analysis.
University of South Florida biologists have found that a crucial window in the development of tadpoles may influence a frog's later ability to fight infectious diseases as an adult.
Time is of the essence when treating a patient undergoing a heart attack. Cardiac surgeons attempt to quickly stabilize the heart by applying reperfusion, a technique that restores oxygen to the heart by opening up blocked ...
The SETI Institute and French startup Unistellar announced a partnership today to commercialize a new telescope that promises to deliver an unparalleled view of the cosmos to amateur astronomers, and provide the opportunity ...
A team of forensic linguistics experts believe they have solved a longstanding mystery, using a method similar to the one which discovered that Robert Galbraith – the author of detective story The Cuckoo's Calling—was ...
A nontoxic glue modeled after adhesive proteins produced by mussels and other creatures has been found to out-perform commercially available products, pointing toward potential surgical glues to replace sutures and staples.
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