Articles tagged with Hydrogen
Scientists have discovered helium structures in the Sun's atmosphere using a NASA sounding rocket, revealing new insights into the origin and acceleration of the solar wind. The findings suggest that the abundance of helium is strongly connected to the magnetic field and speed of the solar wind in the corona.
The study used neutron spectroscopy to measure lattice vibrations in ultra-thin alumina particles, confirming theoretical predictions. The findings have implications for controlling heat transfer through ultra-thin materials, potentially benefiting electronics and future spacecraft designs.
The study investigates how molecules rotate when colliding with surfaces and its impact on the outcome of collisions. The research found that the rotational orientation of hydrogen molecules significantly influences their interaction with a Lithium Fluoride surface, affecting scattering probabilities, adsorption, or decomposition.
Physicists studied mirror nuclei helium-3 and tritium to measure their properties with high precision. The results showed that the data generally matched theoretical calculations well, but with some differences, indicating a need for further refinements in nuclear theory.
Researchers found that mixtures of H2, HD, and D2 behaved as an isotopic molecular alloy and exhibited symmetry-breaking phase transitions at higher pressures than expected. The discovery was attributed to quantum trapping of high-kinetic energy states by exchange interaction.
Researchers at Stockholm University developed a new recycling method for NiMH batteries, which improves their performance and reduces production costs by up to 95%. The process involves mechanical washing and separation of reusable electrode material, making it easier and cheaper than traditional battery recycling methods.
Researchers from Universidad Carlos III de Madrid analyze the physical behavior of hydrogen flames, revealing they can propagate in extremely narrow gaps and form fractal patterns. This unexpected behavior has significant implications for designing safe hydrogen storage systems and reducing greenhouse gas emissions.
A new aluminum-based metal-organic framework material exhibits high gravimetric and volumetric uptake and delivery of methane and hydrogen. The material outperforms Department of Energy targets for methane storage, with a deliverable capacity of 14% by weight for hydrogen.
Researchers at Northwestern University have developed a new material with ultrahigh porosity and surface area for storing hydrogen and methane. This breakthrough could enable the creation of more efficient fuel cell-powered vehicles by allowing for lower-pressure gas storage and reduced costs.
Researchers at Goethe University discover a unique metabolism in Acetobacterium woodii that enables the bacterium to recycle hydrogen, allowing it to survive in oxygen-poor environments. This discovery has implications for our understanding of ancient life forms and their metabolic capabilities.
Researchers analyzed Martian meteorites to reconstruct Mars' chaotic history and find that the planet likely received water from at least two distinct sources. The findings suggest Mars never had an ocean of magma completely encompassing the planet, contradicting previous theories.
Astronomers at the University of Cambridge discovered a potentially habitable exoplanet, K2-18b, which is 2.6 times the radius and 8.6 times the mass of Earth. The planet's hydrogen-rich atmosphere may allow for liquid water to exist beneath its surface.
A new device called SEPSTAT can absorb trace contaminants from water and preserve them in a dry state, allowing for easy mail-in testing. This technology has the potential to improve water quality monitoring, particularly in resource-constrained regions.
The new sensor detects hydrogen molecules at concentrations below 2%, outperforming traditional methods that require expensive equipment and trained personnel. Its sensitivity and resistance to interfering gases make it a game-changer for remote hydrogen leak detection.
Researchers discovered a new aluminium hydroxide phase that remains stable at pressures exceeding the Earth's mantle. This finding suggests water can be stored in these hydroxides within deep Earth environments, terrestrial super-Earths, and icy planet cores.
Researchers at Eindhoven University of Technology have developed a new platinum-nickel catalyst that accelerates chemical reactions 20 times more effectively than traditional platinum-based catalysts. This breakthrough has significant implications for the storage and conversion of hydrogen, a promising source of sustainable energy.
Researchers at the University of Liverpool have created hybrid porous organic cages capable of high-performance quantum sieving for hydrogen isotope separation. The new material has excellent deuterium/hydrogen selectivity and high deuterium uptake.
Researchers have discovered that hydrogen boride nanosheets can store and release significant amounts of hydrogen under ultraviolet light, making them a promising material for hydrogen carriers. The discovery reinforces the view that these nanosheets could go beyond graphene as a multifunctional material.
A new catalyst developed by Stanford University engineers can convert carbon dioxide into fuels like ethane, propane, and butane, yielding four times more fuel than existing methods. The breakthrough could significantly reduce the near-term impact on global warming.
Researchers demonstrate high-contrast imaging of water states for fuel cell applications and indicate how their new method can be applied to other hydrogen-relevant industrial processes. The team's cross-continental collaborations were critical to confirm experimental findings and optimize contrast-to-noise ratio in acquired images.
Researchers detected individual filaments of intergalactic gas in a newly forming cluster, providing insight into the Universe's evolution and galaxy formation. The analysis found that these filaments are arranged like long threads, extending over one million parsecs, and fueling star formation and super massive black hole growth.
The Q-weak experiment successfully measured the weak charge of the proton by exploiting parity asymmetry in electron scattering off aluminum. Kurtis Bartlett's thesis work played a crucial role in minimizing signal contamination and achieving this milestone.
A team of astronomers at Ohio State University used NASA's Transiting Exoplanet Survey Satellite to observe a Type Ia supernova, the first of its kind to measure hydrogen in its spectra. The discovery challenges traditional theories on why white dwarf stars explode and could provide new insights into the elements left behind.
Seismic and electrical conductivity observations suggest water is present in the Earth's mantle, affecting dynamics and causing earthquakes. Hydrogen and water play key roles in lower internal friction, magma generation, and mantle convection.
Astronomers have discovered an unusual celestial object, likely the result of two white dwarfs merging and fusing heavier elements. The star's strong stellar wind and magnetic field accelerate its collapse into a neutron star, culminating in a massive supernova explosion.
Astronomers detect unusual chemical signature in ASASSN-18tb supernova, potentially resolving longstanding mystery surrounding their origins. The discovery offers new insights into the mechanism and players involved in creating Type Ia supernovae.
A new study suggests that adding hydrogen to respiratory gases could further protect babies' brains during cardiopulmonary bypass surgery. The treatment, combined with hypothermia, reduced seizures, tissue injury and chemical markers of brain damage in animal models.
Researchers have developed an anode for electrolysis of seawater into hydrogen and oxygen, utilizing nickel sulfide and nickel-iron hydroxide catalysts. This innovative approach enables the production of clean fuels without desalination, opening doors to a more sustainable energy future.
Researchers employed high-speed lasers to study the mechanisms of H3+ creation and its unusual chemistry. They discovered six potential pathways for H3+ formation and found that certain laser pulses enhance or discourage formation.
Researchers observed that massive stars losing mass to companion stars before exploding can create Type Ib or IIb supernovae. Stellar winds also play a role in the process, especially for high-mass stars.
Researchers from BFU and NRNU MEPhI created a tungsten oxide-based detector for hydrogen gas mixes, showing a significant increase in sensitivity. The new detector has the potential to improve the detection of hydrogen leakages, a critical issue in industries using hydrogen.
Researchers at the University of Groningen have produced devices with stable Germanene, revealing its electronic properties. The material exhibits insulating, semiconducting, and metallic conducting behavior depending on heat treatment, making it suitable for spintronic device applications.
Researchers at USTC create a new structure of atomically dispersed iron hydroxide on platinum nanoparticles to efficiently purify hydrogen fuel over a broad temperature range. This breakthrough enables protection against CO poisoning during frequent cold-starts and continuous operations in extremely cold temperatures.
Researchers at Binghamton University developed a new water splitting catalyst that enables efficient hydrogen gas production from solar energy. The catalyst, which uses doped vanadium pentoxide nanowires, shows a ten-fold increase in solar-harvested hydrogen compared to undoped materials.
A new technique developed by Embry-Riddle researchers allows for the precise determination of star ages, reducing errors to 5% or less. The method leverages Gaia satellite data and considers factors such as surface temperature, atmospheric composition, and mass.
Researchers describe the full annual life cycle of a dragonfly in the Western hemisphere for the first time, using citizen science and chemical analysis. The common green darner migrates north in spring, south in fall, and has a wingspan of just 7.5 cm but covers an average of over 600 km.
Scientists have used metal-organic frameworks (MOFs) to set a new record for hydrogen storage capacity under normal operating conditions. The researchers found that a MOF called Ni2(m-dobdc) had the highest hydrogen-storage capacity, with 11.9 g of fuel per liter of MOF crystal.
Researchers at MIT have developed a method to control magnetic properties of thin-film materials using hydrogen ions, enabling spintronics devices that consume less power and generate less heat. This breakthrough has the potential to overcome physical limitations in memory and logic devices.
Researchers have observed a powerful outflow of hydrogen gas from the Small Magellanic Cloud, indicating it may eventually stop forming new stars. The discovery provides insight into the evolution of galaxies and the potential source of gas for the enormous Magellanic Stream surrounding the Milky Way.
Researchers at UC are using isotopic analysis to identify the habitats of migratory hawk species. By analyzing the strontium and hydrogen isotopes in feathers, they can determine the geographic origin of individual birds, providing valuable insights for conservation efforts.
Researchers at Stanford University have developed a new technique to study individual nanoparticles undergoing photocatalytic reactions. The method, published in Nature Communications, uses a custom-designed specimen holder and mirrors to focus light onto the nanoparticle, allowing scientists to observe the reaction as it unfolds.
A new fuel cell developed by Georgia Institute of Technology researchers can run on cheap methane fuel at lower temperatures, making it more affordable and practical. The breakthrough could lead to the creation of decentralized, cleaner, and cheaper electrical power grids, potentially powering homes and businesses.
Researchers observed a powerful outflow of hydrogen gas from the Small Magellanic Cloud, a tiny dwarf galaxy. The discovery provides the first clear observational measurement of mass lost from a dwarf galaxy, shedding light on its slow death and potential impact on the surrounding Milky Way galaxy.
Researchers have developed a novel method to determine the cause of catalytic activity in complex catalysts, enabling better control over metal support interactions. The approach utilizes vertically grown carbon nanotubes as 'hydrogen highways' to separate active sites and optimize catalyst performance.
Scientists have developed a metal-organic framework that can take up gaseous ammonia at densities similar to those of liquid ammonia, making it suitable for storage and handling. The framework's unique sorption mode allows for reversible adsorption and desorption of ammonia.
Researchers from the University of Illinois at Urbana-Champaign have developed a new, porous electrocatalyst that can split water molecules at a higher rate than current industry standards. The material, made from a mixture of metal compounds and perchloric acid, has shown improved stability in acidic environments.
A team of researchers has successfully detected hydrogen using the Extraordinary Hall Effect in cobalt-palladium thin films. The technique demonstrates high sensitivity and could be used to detect leaks in hydrogen-powered vehicles and fueling stations, enhancing gas detection for a clean energy source.
Astronomers are probing the mystery of how galaxies stop forming stars by studying a class of galaxies known as 'self-quenching' galaxies. These galaxies have gas being blown out at incredible speeds, but without evidence of black hole activity, suggesting alternative mechanisms may be at play.
A Texas A&M team has developed a new method to analyze metal failures, identifying 10 microscopic structures that can strengthen metals and reduce susceptibility to hydrogen embrittlement. This breakthrough could have a huge economic impact by enabling engineers to design stronger metals.
Researchers found a group of planets outside our solar system where chemical conditions similar to Earth's exist. These planets are in the habitable range and receive sufficient ultraviolet light from their host stars to kick-start life. The study identifies potential candidates, including Kepler 452b, that could support life development.
Scientists at IBS report a breakthrough using heavy water (D2O) to delay sample damage in transmission electron microscopy. The approach allows for longer observation of molecule movements, enabling study of the nanoworld.
Researchers at the Chinese Academy of Sciences have successfully metallized nitrogen under extreme conditions, revealing a pressure-temperature region above 125 GPa and 2500 K. This breakthrough sheds light on the interplay between molecular dissociation, melting, and metallization in nitrogen.
A zero-emissions marine research vessel, nicknamed the Zero-V, is technically and economically feasible to build using hydrogen fuel cells. The project aims to reduce air and ocean pollution while providing a stable platform for scientists to conduct research in sensitive ecological areas.
Scientists have observed anomalously high gas flow rates through angstrom-scale slit-like channels, defying classical Newtonian theory and highlighting quantum effects. The findings, published in Nature, suggest that surface scattering can significantly impact gas permeation rates.
Researchers from Swansea University found that enriching natural gas with hydrogen is a promising way to reduce UK carbon dioxide emissions. By increasing the hydrogen content to 30%, domestic carbon emissions could be reduced by up to 18% without requiring any changes to appliances.
Researchers developed a sensor that can detect halitosis with high sensitivity and portability, providing doctors with a convenient test for diagnosing the condition. The sensor uses a color-changing chemical reaction to detect traces of hydrogen sulfide gas in breath samples.
Case Western Reserve University astronomers detected a massive cloud of ionized hydrogen gas spewed from a nearby galaxy and consumed by its central black hole. The discovery provides an unprecedented opportunity to study the behavior of a black hole and associated galaxy as it consumes and 'recycles' hydrogen gas.
Astronomers have confirmed the presence of hydrogen sulfide in Uranus's cloud tops using sensitive spectroscopic observations. This discovery sheds light on questions about the planets' formation and history, particularly regarding the early Solar System's balance between nitrogen and sulfur.
A team of researchers has observed unexpected rotational motion of hydrogen molecules within a molecular cage, which could lead to breakthroughs in hydrogen storage materials. The study provides fundamental insights into the behavior of quantum-influenced particles trapped in well-defined spaces.
A team of astronomers has detected the fingerprints of the earliest stars in the universe, revealing a wealth of information about their formation and evolution. The detection provides the first evidence for the oldest ancestors in our cosmic family tree, born just 180 million years after the universe began.