Articles tagged with Hydrogen Atoms
Researchers have determined the mass of the disk surrounding young star TW Hydrae, a prototypical planetary nursery, with a lower limit of 52 Jupiter masses. This new value is larger than previous estimates and suggests that planets similar to those in our solar system can form in this system.
Andrei Lebed's research suggests that the equation may not hold true for gravitational mass, which could have significant implications for our understanding of gravity and its relationship to inertial mass. He proposes an experiment to test his conclusions, which could potentially revolutionize our understanding of the universe.
Hydrogen can cause metals to become brittle and fail. Researchers have developed a model that predicts when and where embrittlement will occur, enabling the design of new, resistant materials.
Scientists at UC Santa Barbara shed light on the kinetics of hydrogen release from aluminum hydride, a material that is highly promising for energy storage. Their research reveals the basic mechanisms governing these chemical reactions in general, challenging outdated reaction curve interpretations.
Researchers have discovered an additional third of atomic hydrogen gas in galaxies, which could impact star formation rates. The findings suggest that galaxies are forming stars at 20 times the rate they did billions of years ago.
Researchers have found that even tiny amounts of water can accelerate hydrogen diffusion on metal oxides by 16 orders of magnitude at room temperature. This process, known as proton transfer, enables rapid hydrogen atom movement and has significant implications for industries such as petrochemicals and pharmaceuticals.
Researchers at UBC-TRIUMF have successfully manipulated anti-hydrogen atoms using microwaves, providing the world's first glimpse of an 'anti-atomic fingerprint.' This achievement marks a significant milestone in the study of antimatter and brings scientists closer to understanding its intrinsic properties.
Scientists have probed the internal structure of antihydrogen atoms using microwave radiation, providing insight into their behavior. The results show that specific frequencies cause the spins to flip, ejecting the atoms from the trap and confirming a key aspect of antihydrogen's properties.
Researchers at University of New South Wales create perfect single-atom transistor for unparalleled computational efficiency, marking significant step towards quantum computer development. The device's precise accuracy and electronic characteristics match theoretical predictions, paving the way for future technological innovations.
Researchers at Linköping University found that hydrogen renders graphene more useful by making its atomic van der Waals forces repulsive, allowing sheets to float freely apart. This discovery has several potential applications, including storage of hydrogen as vehicle fuel and manufacture of friction-free components on a Nano scale.
Researchers have successfully visualized relay reactions at the atomic scale using a scanning tunneling microscope. This breakthrough allows for controlled transfer of hydrogen atoms along molecular chains, potentially enabling new information exchange methods in future electronics.
Researchers at TUM have developed a molecular switch with a surface area of one square nanometer, controlled by transferring protons within a porphyrin ring. The switch can be set to four distinct states and operated up to 500 times per second.
Researchers at the University of Texas at Dallas and Washington State University have discovered a way to break down and capture individual hydrogen atoms using an aluminum alloy. This breakthrough could lead to a robust and affordable fuel storage system, enabling the widespread use of hydrogen as a renewable energy source.
Researchers at RIKEN Advanced Science Institute synthesized new heterometallic hydride clusters using rare-earth and d-transition metals, enabling analysis via X-ray diffraction. These clusters exhibit unique reactivity properties pointing to new hydrogen storage techniques, promising environmentally-friendly solutions for clean energy.
Researchers designed a material that can make energy-storing hydrogen gas 10 times faster than natural enzyme, using inexpensive metals. The synthetic material works at 100,000 molecules of hydrogen gas every second and has potential applications in fuel cells.
Researchers found that only one-quarter of water molecules at the surface exhibit characteristics of both gas and liquid phases, allowing for new understanding of chemical reactions and atmospheric balance. The study provides a framework for investigating other interfaces, such as those in living cells.
A team of scientists led by Professor Gregory Jerkiewicz discovered that platinum develops a water-repelling layer when used in hydrogen reactions, enabling fast and efficient energy release. This breakthrough could lead to cheaper synthetic alternatives for sustainable devices.
Researchers have successfully stored antimatter atoms for over 16 minutes, a significant milestone in understanding this elusive substance. The breakthrough allows scientists to test hypotheses about antimatter's behavior and its potential impact on our understanding of the universe.
Researchers at Berkeley Lab have successfully performed nuclear magnetic resonance (NMR) without the use of magnets, overcoming obstacles like polarization and chemical shifts. This breakthrough enables more portable and cost-effective NMR, with potential applications in medical diagnoses and field analyses.
A computer modeling study published in PNAS reveals that methane molecules can combine to form larger hydrocarbon molecules under high temperatures and pressures of the Earth's upper mantle. This finding has significant implications for understanding carbon reservoirs and fluxes in the Earth.
A new MRI technique has been developed that enables full three-dimensional brain scans in less than half a second, significantly reducing the scanning time. This breakthrough, made possible by combining two technical improvements, will have an immediate impact on research institutions worldwide and the Human Connectome Project.
Researchers at UCLA have discovered a way to strengthen polyunsaturated fatty acids, making them less susceptible to oxidation. This breakthrough could lead to the development of more effective nutritional supplements and new approaches to combatting neurodegenerative diseases like Parkinson's and Alzheimer's.
Researchers have successfully self-assembled rod-shaped molecules into small rotors within a two-dimensional network, forming a hexagonal lattice. The rotors exhibit unique energy thresholds and can maintain their structure even when exposed to thermal energy, enabling potential applications in optical or electronic switching.
Researchers at CERN and Swansea University have achieved a major breakthrough in anti-matter research, trapping and holding atoms of 'anti-hydrogen' for the first time. This development will allow scientists to study anti-matter closely and gain unprecedented insight into its composition and fundamental physical principles.
Researchers have successfully trapped and studied anti-hydrogen atoms using the ALPHA experiment. The findings shed light on the structure and composition of anti-matter, a key to understanding why matter dominates the Universe.
Researchers at Zyvex Labs have demonstrated a process for removing individual hydrogen atoms from silicon surfaces and adding single atomic layers of silicon. This technique allows for the creation of atomically precise three-dimensional structures with potential applications in nanotechnology, quantum computing, and more.
Researchers at Juelich have developed a method to study the inner structure of molecules using a scanning tunneling microscope, revealing detailed information on atomic irregularities and charge distribution. The technique uses a small molecule with deuterium atoms to enhance sensitivity for organic molecules.
Physicists have measured the proton's charge radius with an accuracy of better than one thousandth of a femtometre, significantly deviating from previous measurements. This change affects the Rydberg constant used to calculate energy packets absorbed and emitted by atoms and molecules.
Brown University researchers have gained new insights into graphene defects through molecular dynamic simulations. They found that oxygen atoms forming double bonds with carbon create irregular holes in the lattice. The team proposes adding hydrogen to remove impurities and heal the holes.
A team of MIT researchers has developed a novel method to mimic photosynthesis by splitting water into oxygen and hydrogen atoms using modified viruses as biological scaffolding. This process can be powered directly by sunlight, skipping intermediate steps, and shows fourfold improvement in efficiency.
A team of scientists has discovered a general trend in the behavior of metal hydrides ScH3, YH3, and LaH3, finding that superconducting states are strongest when materials are weakest. The researchers also found differences between the three metal hydrides, with a secondary superconducting phase present in YH3 but absent in ScH3 and LaH3.
Researchers at Carnegie Institution create unique hydrogen-storage material by combining xenon with molecular hydrogen under pressure, offering a new family of materials to boost hydrogen technologies. The discovery reveals unusual bonding chemistry and potential applications in synthesizing energetic materials.
The Moon absorbs electrically charged particles to produce water, confirming a key process on the lunar surface. The discovery enables scientists to create images of the Moon and other airless bodies using hydrogen atoms as tracers.
UNH's Space Science Center played a crucial role in the Interstellar Boundary Explorer (IBEX) mission, which has provided groundbreaking maps of the boundary between our solar system and the interstellar medium. The mission's data reveals new insights into the interactions between the solar wind and interstellar gas, including the form...
Researchers calculate that adding small amounts of lithium can convert hydrogen to a metal at significantly lower pressures. The study predicts the formation of metallic hydrogen compounds under experimentally accessible pressures.
Researchers at the Pacific Northwest National Laboratory have identified key characteristics of a rhodium-based catalyst that efficiently releases hydrogen from ammonia borane. The study provides new insights into the catalytic reaction, shedding light on the hardest part of the process and suggesting ways to improve the catalyst.
The discovery of graphane, an insulating equivalent of graphene, may prove more versatile than its predecessor. Graphane retains the thinness, super-strength, flexibility and density of graphene but has a more controlled electrical conductivity, making it suitable for electronic circuits.
Researchers at the University of Nebraska-Lincoln have discovered a way to unleash high-energy X-rays with relatively high intensity using longer wavelength lasers on heavier gaseous atoms. This breakthrough could lead to more powerful and precise X-ray machines, enabling real-time imaging of patients' hearts and microscopic structures.
Researchers have developed a new mechanism for water splitting, which generates oxygen gas from water molecules. The process is divided into three stages, utilizing light and heat to produce clean fuel.
A team of scientists has successfully determined the structure of DFPase, an enzyme from the squid Loligo vulgaris that can rapidly detoxify chemical warfare agents like Sarin. The study used neutron diffraction and provides essential information about the reaction mechanism of DFPase.
Researchers at Penn State University have discovered a way to produce hydrogen by exposing aluminum clusters to water, leveraging their unique geometric structures. The process enables the production of hydrogen gas without heat or energy input, opening up new possibilities for clean energy applications.
Researchers have discovered that deuterated pyridine adopts a different crystalline form than its normal counterpart, only achievable under high pressure. This finding has implications for the development of more specific and effective pharmaceutical agents.
Scientists discover hydrogen gas being stripped from Venus' day-side, indicating water is being broken up in the atmosphere. The loss of hydrogen and oxygen suggests that water on Venus was once abundant but has since been depleted.
Researchers detected a stream of perfectly intact hydrogen atoms shooting out of an X-class solar flare, surprising scientists. The discovery suggests that all strong flares might emit hydrogen bursts, which could be detected using the NASA's STEREO spacecraft.
A new simulation by UC Berkeley geophysicist Burkhard Militzer predicts Jupiter's rocky core is 14-18 times Earth's mass, surrounded by layers of metals, rocks, and icy materials. The result challenges previous models and provides a more precise physical description of Jupiter's interior.
Researchers have identified a coral gene called STPCA that responds to light cycles and produces bicarbonate to buffer against acidity. This adaptation allows corals to survive in shallow waters with limited food resources.
Scientists at Stanford University discovered that a hydrogen atom can transfer energy to a deuterium molecule through a glancing blow, changing the conventional wisdom on energy transfer. This finding has significant implications for understanding chemical reactions and interactions between molecules.
Researchers found that under certain conditions, a molecule can jump forward instead of backward when collided with another atom. This 'tug-of-war' behavior is crucial for understanding chemical reactions and their mechanics.
Researchers use twin STEREO spacecraft to detect neutral atoms and map the energized particles at the edge of the solar system. The findings clear up a discrepancy in energy dumped into space by decelerating solar wind, and provide new insights into the heliosheath and its structure.
Researchers at Rice University have created giant millimeter-sized atoms resembling Bohr's atomic model, with electrons behaving like classical particles for several orbits. The achievement has potential applications in next-generation computers and studying quantum chaos.
Researchers have found a way to effectively recycle toxic chlorinated compounds using a lanthanum chloride catalyst. The new reaction enables the exchange of chlorine atoms for hydrogen atoms, producing desired products without byproducts.
The Naval Research Laboratory will design a lunar telescope, the Dark Ages Lunar Interferometer (DALI), to study the last unexplored epoch in the Universe's history. The telescope aims to detect signals from hydrogen atoms in the Dark Ages, which can provide insights into the first stars, galaxies, and modern Universe.
Researchers developed a new optical method to detect individual neutrons with improved efficiency, promising better measurements and new physics tests. The Lyman alpha neutron detector (LAND) has the potential to detect both single and large numbers of neutrons.
Scientists propose using ancient light absorbed by neutral hydrogen atoms to test string theory predictions. A gigantic array of radio telescopes would be needed to make the measurements.
A recent study reveals that coating diamond surfaces with heavier hydrogen isotopes can significantly reduce friction forces. The research, led by Argonne scientist Anirudha Sumant, used single-crystal diamond surfaces coated with layers of atomic or deuterium to investigate the effect on surface vibrations.
Researchers at Penn University discovered that changing atomic mass reduces friction between sliding bodies, reducing energy loss and wear. This study provides a fundamental understanding of atomic-scale phenomena contributing to friction.
Researchers from The University of Texas at Austin create an 'atomic coilgun' that slows and stops a wide range of atoms using pulsed magnetic fields. This breakthrough enables the study of previously inaccessible elements like hydrogen, with implications for atomic and nuclear physics.
Researchers successfully formed a single chemical bond on a single molecule, then broke it without disturbing adjacent atoms. They created a molecular-sized electronic switch with reversibility achieved.
Astrophysicists at the University of Illinois propose a new method to measure the fine-structure constant using relic radiation from the birth of the universe. This technique could help explain dark energy and constrain a
The team is developing materials with similar properties to palladium, but cheaper and more readily available, to improve the efficiency of hydrogen fuel cells. The goal is to find a substitute for platinum, which is currently used as a catalyst in PEMs containing platinum.