Physics
Magnetic reconnection is an energy conversion process which occurs in many astrophysical contexts including the Earth’s magnetosphere, where the process can be investigated in-situ...
Orbital angular momentum is a prerequisite for magnetic anisotropy, although in transition metal complexes it is typically quenched by the...
Although polycrystalline hexagonal boron nitride (PC-hBN) has been realized, defects and grain boundaries still cause charge scatterings and trap sites, impeding high-performance electronics. Here, we report a method...
Physics more... Science Magazine 13 minutes
Ultrafast nonequilibrium dynamics offer a route to study the microscopic interactions that govern macroscopic behavior. In particular, photoinduced phase transitions...
Ahneman et al. (Reports, 13 April 2018) applied machine learning models to predict C–N cross-coupling reaction yields. The models use atomic, electronic, and vibrational descriptors as...
One-carbon metabolism generates the one-carbon units required to synthesize many critical metabolites, including nucleotides. The pathway has cytosolic and mitochondrial branches, and a key step is the entry,...
Radical techniques in electron microscopy could revolutionise studies in physics, biochemistry, materials and more.
A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg/Germany presents evidence of the amplification...
Researchers developed a versatile remote gaming interface that allowed experts as well as hundreds of citizen scientists all over the world through multiplayer collaboration and in real time to optimize a quantum gas experiment in a lab. Both teams quickly...
How much is a kilogram? 1,000 grams. 2.20462 pounds. Or 0.0685 slugs based on the old Imperial gravitational system. But where does this amount actually come from and how can...
Many materials exhibit new properties when in the form of thin films composed of just a few atomic layers. Most people are familiar with graphene, the two-dimensional form of graphite,...
The mesosphere, at heights between 85 and 100 kilometers above the Earth's surface, contains a layer of atomic sodium. Astronomers use laser beams to create artificial...
Researchers in a lab at Aarhus University have developed a versatile remote gaming interface that allowed external experts as well as hundreds of citizen scientists all over the world to optimize a quantum gas experiment through multiplayer collaboration and in...
A close study of auroras has revealed new ways of understanding the physics of explosive energy releases in space.
NASAEnergyPhysics more... nanowerk 8 hours
A close study of auroras has revealed new ways of understanding the physics of explosive energy releases in space, according to new UCL-led research.
NASAEnergyPhysics more... PHYS.ORG 9 hours
A new special edition of the International Journal of Radiation Oncology* Biology* Physics focuses on the roles of imaging in radiation oncology....
Several neurological disorders may benefit from gene therapy. However, even when using the lead vector candidate for intrathecal administration, adeno-associated virus serotype 9 (AAV9), the strength and distribution...
RelativityGravityInfectionsUniverse more... Science Magazine 24 hours
For the first time astronomers have detected gravitational waves from a merged, hyper-massive neutron star.
A paper published in 2017 appeared to show a limited quantum effect in bacteria. Now scientists argue that something much weirder happened.
A research team discovers atomic-level processes which can provide new approaches to improving material properties.
more... SCIENCE DAILY 1 day
For the first time astronomers have detected gravitational waves from a merged, hyper-massive neutron star. The scientists, Maurice van Putten of Sejong University in South Korea, and Massimo della Valle of the...
VIDEO In the past 30 years, the number of planets discovered beyond our solar system has grown exponentially. Unfortunately, due to the limitations of our technology, the...
A research team has discovered that different metasurfaces exhibit the same behavior provided a symmetry breaking is introduced to their unit cells 'meta-atoms'. Asymmetry of meta-atoms...
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A research team from ITMO University and the Australian National University has discovered that different metasurfaces exhibit the same behavior provided a symmetry breaking is introduced to their...
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SiC-based electrical devices degrading will be improved by controlling the semiconductor material deformation with atomic level.
Electricity more... SCIENCE DAILY 2 days
With the help of computer simulations, particle physics researchers may be able to explain why there is more matter than antimatter in...
Big BangAntimatterUniverse more... SCIENCE DAILY 2 days
With the help of computer simulations, particle physics researchers may be able to explain why there is more matter than antimatter in...
A novel nanoscale additive manufacturing technique termed Nanotribological Printing creates structures through tribomechanical and tribochemical surface interactions at the contact between a substrate and an atomic force microscope probe, where...
3D PrintingRobotics more... nanowerk 2 days
Positrons are short-lived subatomic particle with the same mass as electrons and a positive charge. They are used in medicine, e.g. in positron emission tomography (PET), a diagnostic imaging method for metabolic disorders. Positrons also exist...
Experts from the International Atomic Energy Agency urged the operator of Japan's tsunami-wrecked Fukushima nuclear plant on Tuesday to urgently decide on a plan to dispose of massive amounts of...
With the help of computer simulations, particle physics researchers may be able to explain why there is more matter than antimatter in...
Merging galaxy clusters provide natural laboratories for astronomers to study cosmic phenomena. Igone Urdampilleta from SRON Netherlands Institute for Space Research uses the merger Abell 3376 to study how electrons rush through...
The potential applications for tailor-made carbon surfaces are wide and include protective coatings, car parts, biomedical coatings and...
Cars more... PHYS.ORG 2 days
An international group of physicists from Far Eastern Federal University (FEFU), the Russian Academy of Sciences and Swinburne University of Technology (Australia) has developed...
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An international team of experimental physicists has for the first time determined the structure of ι-N2, a crystallized...
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Resonating oscillations of a planet's atmosphere caused by gravitational tides and heating from its star could prevent a planet's rotation from steadily slowing over time, according to new...
For the first time, physicists present a unified theory explaining two characteristic features of frustrated magnets and why they're often seen together.
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Researchers capture detailed images using electron-based imaging and computer simulations.
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Sealed in a vault beneath a duke's former pleasure palace among the sycamore-streaked forests west of Paris sits an object the size of an apple that determines the weight of...
cosmologists provide new measurement of cosmic controversy
Researchers from the University of Portsmouth have come up with a new measurement of one of the most debated topics in cosmology....
From water bottles and food containers to toys and tubing, many modern materials are made of plastics. And while we produce about 110 million tons per year of synthetic polymers like polyethylene and polypropylene worldwide for...
more... PHYS.ORG 3 days
In physics, it is well-known that electrons behave very differently in three dimensions, two dimensions or one dimension. These behaviours give rise to different possibilities for technological applications and electronic systems. But what happens...
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The tiny, repeating structure could reveal weird behavior of electrons in fractional dimensions.
Quantum Mechanics more... SCIENCE-NEWS 3 days
Under the leadership of Petr Cígler from the Institute of Organic Chemistry and Biochemistry (IOCB Prague) and Martin Hrubý from the Institute of Macromolecular...
Nuclear Energy more... PHYS.ORG 3 days
For the first time, physicists present a unified theory explaining two characteristic features of frustrated magnets and why they're often seen together.
more... PHYS.ORG 3 days
Scientists from Russia have reported a way to improve crystal structure prediction algorithms, making the discovery of new compounds multiple times faster. The results of the study were published in Computer Physics Communications.
The Future more... PHYS.ORG 3 days
A reflection always reproduces objects as a complete mirror image, rather than just its individual parts or individual parts in a completely different orientation. It's all or nothing, the mirror can't reflect just a...
more... PHYS.ORG 3 days
Molecules to the MAX!, an animated adventure aimed at exciting and educating kids about the world of atoms and molecules, is now available for streaming video from iTunes and Amazon.
Amazon more... nanowerk 3 days
spacetime a creation of well known actors
Most physicists believe that the structure of spacetime is formed in an unknown way in the vicinity of the Planck scale, i.e....
SpacetimeRelativity more... ASTRO WATCH 5 days
On Nov. 10, 2013, Europe's gravity-mapping GOCE satellite fell to Earth. See how it happened in our On This Day...
Small molecules -- from naturally occurring metabolites and hormones to synthetic medicines and pesticides -- can have big effects on living things. But for scientists to understand how the molecules work and how to design beneficial ones, they...
AnimalsThe Future more... SCIENCE DAILY 6 days
Researchers have achieved a major breakthrough in shielding the quantum properties of single atoms on a surface. The scientists used the magnetism of single atoms, known as spin, as a basic building block for quantum information processing. The researchers could...
Quantum spin liquids (QSLs) are exotic phases of matter that host fractionalized excitations. It is difficult for local probes to characterize QSL, whereas quantum...
Manipulation of spin states at the single-atom scale underlies spin-based quantum information processing and spintronic devices. These applications require protection of the spin states against quantum decoherence due...
The impact of nonmagnetic and magnetic impurities on topological insulators is a central focus concerning their fundamental physics and possible spintronics and quantum computing applications. Combining scanning tunneling spectroscopy with...
Realization of the quantum spin Hall effect in graphene devices has remained an outstanding challenge dating back to the inception of the...
Researchers at the Center for Quantum Nanoscience (QNS) within the Institute for Basic Science (IBS) achieved a major breakthrough in shielding the quantum properties of single atoms on a surface. The scientists used the magnetism of single atoms, known as...
Scientists have developed a revolutionary method for the easy and inexpensive production of irradiated nanodiamonds and other nanomaterials suitable for use in highly sensitive...
Nuclear Energy more... nanowerk 6 days
A new study, published in the Astrophysical Journal, suggests that if a 1- to...
VIDEO The UK's first quantum accelerometer for navigation has been demonstrated by a team from Imperial College London and M Squared.
Quantum Hall ferromagnets are among the purest magnets in the world—and one of the most difficult to study. These 2-D magnets can only be made in temperatures less than a degree above...
Quantum Mechanics more... PHYS.ORG 6 days
Could new technology from Purdue University researchers have helped save the Titanic? Engineers from Purdue have developed technology to help prevent catastrophic...
Nuclear Energy more... PHYS.ORG 6 days
Most physicists believe that the structure of spacetime is formed in an unknown way at the Planck scale, i.e., at a scale close to one trillionth of a trillionth of a metre. However, careful considerations undermine this prediction....
SpacetimeRelativity more... PHYS.ORG 6 days
Crystalline perovskite cells are the key to cutting-edge thin-film solar cells. Although they already achieve very high levels of efficiency in the laboratory, commercial applications are hampered by the fact that the...
Universe more... PHYS.ORG 6 days
A team of researchers from the Dutch institute AMOLF, Western University (Canada), and the University of Texas (United States of America) recently demonstrated the use of algorithmic design to create a new type of nanophotonic structure. This is...
Quantum simulations reveal that graphene undergoes an unexpected and potentially useful change in state when stretched.
A motorized wheelchair used by the late British physicist Stephen Hawking sold at auction on Thursday for almost...
Stephen Hawking more... REUTERS 6 days
Current standard imaging techniques for initial staging of prostate cancer often underestimate the extent of disease beyond the prostate.
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Small molecules -- from naturally occurring metabolites and hormones to synthetic medicines and pesticides -- can have big effects on living things. But for scientists to understand how...
Animals more... NEWS MEDICAL 7 days
Previously, in order to study cell membranes, researchers would often have to freeze samples. The proteins within these samples would not behave like they would in...
more... SCIENCE DAILY 7 days
Excited photo-emitters can cooperate and radiate simultaneously, a phenomenon called superfluorescence. Researchers have recently been able to create this effect with long-range ordered nanocrystal superlattices. This discovery could enable future developments in LED lighting, quantum sensing, quantum communication...
At the Materials Day Symposium, researchers focus on tools that probe atomic structures in action to yield better designs for metals, solar cells, and polymers.
Universe more... MIT 7 days
Junctophilin-2 (JP2) is a structural protein required for normal excitation-contraction (E-C) coupling. Following cardiac stress, JP2 is cleaved by Ca2+-dependent protease calpain, which disrupts the E-C coupling ultrastructural...
more... Science Magazine 1 week
Photon-mediated interactions between quantum systems are essential for realizing quantum networks and scalable quantum information processing. We demonstrate such interactions between pairs of silicon-vacancy (SiV) color centers coupled to a...
Ribonuclease P (RNase P) is a universal ribozyme responsible for processing the 5'-leader of pre–transfer RNA (pre-tRNA). Here, we report the 3.5-angstrom cryo–electron microscopy structures of Saccharomyces cerevisiae...
more... Science Magazine 1 week
Despite the enormous potential for the use of stereospecific cross-coupling reactions to rationally manipulate the three-dimensional structure of organic molecules, the factors that control the transfer of stereochemistry in these...
more... Science Magazine 1 week
A wheelchair used by physicist Stephen Hawking has sold at auction for almost 300,000 pounds ($393,000), while a copy of his doctoral thesis fetched almost 585,000 pounds ($767,000), auctioneer Christie's said Thursday.
Stephen Hawking more... PHYS.ORG 1 week
Most physicists believe that the structure of spacetime is formed in an unknown way in the vicinity of the Planck scale, i.e. at distances close to one trillionth of a trillionth of a metre....
SpacetimeRelativity more... nanowerk 1 week
For scientists to understand how therapeutic molecules work and how to design beneficial ones, they need to know the precise arrangement of atoms and chemical bonds. Now researchers have found a faster, simpler and potentially more reliable way...
The Future more... nanowerk 1 week
Layered transition metal dichalcogenides or TMDCs -- materials composed of metal nanolayers sandwiched between two other layers of chalcogens -- have become extremely attractive to the...
GrapheneQuantum Mechanics more... SCIENCE DAILY 1 week
Remarkable rules have been detected in the apparent chaos of disequilibrium processes. Different systems behave identically in many ways, if they belong to the same 'universality class'. This...
Since the time of ancient Egypt, humans have been making and breaking secret codes to retain and gain critical information. Human life itself is based upon a genetic code of DNA or RNA sequences...
Ancient Egypt more... PHYS.ORG 1 week
For several decades, particle physicists have been trying to better understand nature at the smallest distances by colliding particles at the highest energies. While the Standard Model of...
Particle Accelerators more... PHYS.ORG 1 week
Actinides, a series of 15 radioactive elements, are vital to medicine, energy, and national defense. Scientists examined two exceedingly rare actinides, berkelium and californium. These elements are at the extreme end of what is possible to...
Radioactive more... PHYS.ORG 1 week
At the height of the Cold War in 1982, American psychiatrist Robert Jay Lifton argued that the "central existential fact of the nuclear age is vulnerability." That warning predated the proliferation of...
WMDNuclear Weapons more... PHYS.ORG 1 week
Björn Alling, researcher in theoretical physics at Linköping University, has, together with his colleagues, completed the task given to him by the Swedish Research Council in the autumn of 2014: Find out what happens...
more... PHYS.ORG 1 week
Leftovers from nuclear reactors contain the element neptunium. To safely store the waste, scientists need to know more about how to control neptunium's chemistry. Knowing the stability of different oxidation...
Nuclear Energy more... PHYS.ORG 1 week
Following an interdisciplinary approach, researchers in Japan have found new catalysts using unique Heusler alloys. Most studies on catalysts have been conducted by researchers in chemistry. However, catalysts also relate to other research fields. For example, materials science,...
more... PHYS.ORG 1 week
Remarkable rules have been detected in the apparent chaos of disequilibrium processes. Different systems behave identically in many ways, if they belong to the same "universality class." This means that experiments can be carried out with quantum systems...
Excited photo-emitters can cooperate and radiate simultaneously, a phenomenon called superfluorescence. Researchers from Empa and ETH Zurich, together with colleagues from IBM Research Zurich, have recently been able to create this effect...
Sandwich structure of nanocrystals as quantum light source.
Quantum Mechanics more... nanowerk 1 week
Laser-based 'optical tweezers' could levitate uranium and plutonium particles, thus allowing the measurement of nuclear recoil during radioactive decay. This technique provides a new method for conducting the radioactive particle analysis essential to nuclear...
Radioactive more... SCIENCE DAILY 1 week
Researchers have found new good catalysts using unique 'Heusler' alloys, following an interdisciplinary approach. Most studies on catalysts have been conducted by researchers in chemistry. However, catalysts also relate to other research fields. For example, materials science including...
more... SCIENCE DAILY 1 week
Direct observations of a planet orbiting a star 63 light-years away
PHYS.ORG
Quantum 'compass' could allow navigation without relying on satellites
PHYS.ORG
ESA’s gravity-mapper reveals relics of ancient continents under Antarctic ice
ESA
Aluminium oxide found in an ultra-hot Jupiter
PHYS.ORG
Physicists name and codify new field in nanotechnology: 'electron quantum metamaterials'
PHYS.ORG
In tune with the heart of a copper atom
PHYS.ORG
New antimatter gravity experiments begin at CERN
CERN
Hotspot discovery proves Canadian astrophysicist's black hole theory
PHYS.ORG
Scientists 'tame' some disruptive environmental effects on quantum computers
PHYS.ORG
STAR Detector on the move
PHYS.ORG
Gravitational waves could soon provide measure of universe's expansion
PHYS.ORG
Missing gamma-ray blobs shed new light on dark matter, cosmic magnetism
PHYS.ORG