Articles tagged with Hydrogen
Researchers developed laser-driven plasma acceleration using low-energy, ultrashort mid-infrared laser pulses, producing relativistic electron beams. The team's findings demonstrate the potential of long-wavelength femtosecond lasers for compact and high-repetition-rate accelerators.
Researchers at National Institutes of Natural Sciences successfully generated plasma with an ion temperature of 100 million degrees, a key milestone toward achieving burning plasma for fusion. The high-temperature plasma exhibits characteristics suitable for fusion reactor plasmas.
Researchers explore optimal vessel design, speed and passenger capacity to reduce uncertainty in the industry. The study aims to provide technical evidence to support new safety codes for hydrogen fuel-cell vessels.
The study found that despite a colder climate, residents in Ii Hamina survived for centuries by having similar diets from childhood to adulthood. However, one individual displayed variation in isotope composition potentially attributable to poor nutrition.
A team of scientists discovered a microorganism in Yellowstone that thrives on low-energy sources despite having access to richer alternatives. The organism can obtain energy by combining hydrogen with sulfur or iron, but grows best on the lowest energy supply.
A Penn State researcher has been awarded a grant to develop a 'hydrogen sponge' technology that could efficiently store hydrogen fuel for use in fuel cell vehicles. The technology uses supercritical liquid form to condense the gas, allowing for storage at ambient temperature and low-pressure conditions.
The University of Texas at Arlington team will inspect 350 concrete manhole shafts for corrosion, measuring hydrogen sulfide and other parameters to prioritize protection. The study aims to develop a system for prioritizing manhole protection, benefiting the city's infrastructure and water engineers.
A team of researchers has directly observed the magnetic field in the upper solar atmosphere for the first time using ultraviolet spectropolarimetry. The study reveals more complex structures in the chromosphere and transition region than expected, with polarization varying on a spatial scale of 10-20 arcseconds.
Scientists at Tomsk Polytechnic University create protective coatings for zirconium fuel rods to prevent explosions in nuclear reactors. The titanium nitride-based coatings can reduce hydrogen penetration, extending the life of fuel rods and protecting reactor safety.
Scientists from Southwest Research Institute have discovered hydrogen gas in the plume of material erupting from Saturn's moon Enceladus, indicating ongoing hydrothermal activity. This finding suggests that Enceladus' ocean floor could support life similar to that found near hydrothermal vents on Earth.
The Cassini spacecraft detected molecular hydrogen in the plume of Saturn's moon Enceladus, suggesting hydrothermal reactions between hot rocks and water. This finding indicates that Enceladus' sub-surface ocean may support life, making it a promising candidate for astrobiological research.
Researchers used Subaru Telescope to create extensive map of neutral hydrogen gas in ancient proto-supercluster. The study revealed the region is rich in gas, which is a major building block of galaxies. Gas distribution does not align perfectly with galaxies' distribution within the proto-supercluster.
A study suggests that long ago, Earth's atmosphere spent about a million years filled with a methane-rich haze, clearing the way for massive amounts of oxygen. The transformation resulted in an atmosphere much like the one that sustains life on Earth today.
A new study suggests that volcanic hydrogen can warm planets, making them more likely to harbor life. With this discovery, distant stars could expand their habitable zones by 30-60%, adding many previously icy worlds to the list of potential candidates for hosting life.
Researchers at Lawrence Livermore National Laboratory have developed an efficient hydrogen storage system that can increase the energy carrier's viability. By incorporating nanoconfinement and analyzing internal 'nano-interfaces,' the team found a new paradigm for hydrogen storage, enabling faster performance and reversibility.
A new study suggests that liquid hydrogen may be a realistic option for future air travel, offering several advantages over traditional fuels. Liquid hydrogen is very light and has a lower boiling point, reducing the risk of accidents and making it easier to handle.
Scientists have discovered a sulfide-responsive protein, SqrR, in purple bacteria that regulates photosynthetic electron transfer to survive sulfide stress. This finding sheds light on the early evolution of photosynthesis and has potential applications in synthetic biology.
Researchers suggest early Mars was warmed by greenhouse effects from methane, carbon dioxide, and hydrogen. This could have supported liquid water on the surface, increasing the chances of finding life. The study's findings provide new insights into Mars' climate and its potential for hosting life.
Jose Mendoza-Cortes, a Florida State University researcher, has designed new materials that can store hydrogen fuel more efficiently. These porous materials of transition metals allow for lower energy expenditure and increased hydrogen storage capacity, making them suitable for practical use in vehicles.
Researchers at Forschungszentrum Juelich have developed tailor-made ceramic membranes to efficiently separate gases, including harmful greenhouse gases, and produce high-purity hydrogen. The membrane's stability and hydrogen flow rate have been improved by inserting foreign atoms into the crystal lattice.
Researchers found carbonic acid, orthocarbonic acid, and clathrate compounds stable under high pressure conditions. The cores of Uranus and Neptune may consist of these exotic materials.
Hydrogen sulfide superconductor exhibits two phases: cubic and hexagonal. Researchers' findings mark significant step towards room-temperature superconductors.
A novel probe created by Washington State University researchers illuminates hydrogen sulfide and hydrogen polysulfides in different colors, enabling the identification of their roles in biological processes. This breakthrough could lead to the design of new drugs and treatments for diseases such as Alzheimer's, cancer, and diabetes.
Research by Stefano Fabris and colleagues reveals that moisture boosts the efficiency of a catalyst in fuel cells by creating a 'proton pinball game' that facilitates molecular transport. This breakthrough could lead to more efficient fuel cell designs.
Researchers at Kumamoto University discovered a new method for drastically changing the color and fluorescence of a compound using oxygen and hydrogen gases. The technique uses energy from gases themselves, producing only water as a byproduct and has potential applications in detection sensors and organic semiconductors.
Researchers at Harvard University observed evidence of Jupiter's hydrogen transitioning into liquid metal, a key to the planet's powerful magnetic field. The findings could revolutionize rocketry and energy science, as well as our understanding of solar system origins.
Researchers at NASA Ames discovered that varying hydrogen droplet sizes influence the burning process of liquid hydrogen-oxygen mixtures. The study reveals new mechanisms and requires a deeper understanding of evaporation and burning processes.
A research group in Japan discovered a new compound H5S2 showing a new superconductivity phase through computer simulation. Further research is predicted to clarify the mechanism behind high-temperature superconductivity in hydrogen sulfide.
Research in Italy found a strong association between living near landfills and increased risk of lung cancer, as well as hospitalizations for respiratory diseases. Exposure to air pollutants from waste treatment plants was linked to higher rates of respiratory symptoms among residents.
The Bubble Nebula, observed by Hubble, is a vast bubble being blown into space by a super-hot, massive star. The nebula is 7 light-years across and resides 7,100 light-years from Earth. A seething star forms this nebula, with gas escaping at over 4 million miles per hour.
A new study published in Nature reports that Earth's moon slowly moved from its original axis around 3 billion years ago. The discovery was made possible by analyzing NASA data indicating lunar polar hydrogen, which is presumed to be ancient ice hidden in craters surrounding the moon's poles.
Researchers used stable isotope and genetic analysis to determine the summering grounds of bats killed by wind turbines in the Appalachian region. The study found that intensive wind-energy development may affect bat species differently, with some populations better able to absorb turbine-related deaths.
Researchers at University College London have detected hydrogen and helium gases in the atmosphere of a super-Earth called 55 Cancri e. The discovery reveals clues about the planet's formation, evolution, and composition, with potential implications for understanding carbon-rich atmospheres.
A new method to measure supersonic nozzle pressure uses a 'battle of pressures' between hydrogen and helium, enabling precise control in accelerator technology. This breakthrough has significant applications in miniature satellites, lab-on-a-chip devices, and laser plasma accelerators.
Researchers found that about 170 of the extremophilic fish's genes were turned on to detoxify and remove hydrogen sulfide, a toxic compound in their environment. This discovery opens doors to new insights into evolutionary processes, adaptations, and potential biomedical applications.
Researchers used new methods to model the common-envelope phase of binary stars, revealing dynamic instabilities crucial for supernova evolution. These turbulent fluctuations affect a star system's fate, influencing whether a supernova occurs and its type.
Researchers successfully stabilized hydrogen in a high-temperature environment, revealing anomalies in its phase transition. This breakthrough may lead to a deeper understanding of gas giants like Jupiter and Saturn, as well as the potential synthesis of room-temperature superconductive materials.
Researchers have successfully simulated deuterium plasma turbulence in the Large Helical Device (LHD) using the Plasma Simulator, a cutting-edge supercomputer. The results show improved energy confinement in deuterium plasma compared to hydrogen plasma.
Researchers used climate models to predict how greenhouse warming could be the source of water on early Mars, which would support a warm and habitable environment. The study found that volcanic fluxes caused by plate tectonics may have led to a high percentage of hydrogen in the atmosphere, driving global warming.
A new concept correlates geometric and adsorption properties in catalyst design. Researchers developed a platinum-based catalyst for fuel cell applications, showing up to three and a half times greater catalytic activity than existing ones.
Researchers at Chalmers University of Technology have developed a new experimental approach called plasmonic nanospectroscopy to study individual nanoparticles. This method reveals significant differences in properties between seemingly identical particles, which could lead to improved hydrogen sensors for fuel cell cars.
PNNL scientists explore molecular hydrogen storage, catalyst development using abundant metals, and the connection between plants and pollution producing aerosols. Their research aims to improve renewable energy efficiency and reduce pollution.
Scientists have discovered that a strain of bacteria can survive without traditional nutrients by harnessing trace gases like hydrogen from the air. This breakthrough reveals the 'minimalist approach' to survival used by these microorganisms in extreme environments.
Sandia National Laboratories is helping Red and White Fleet design, build, and operate a high-speed hydrogen fuel cell passenger ferry and hydrogen refueling station. The project aims to reduce emissions and improve air quality in harbor areas.
NIST researchers found that hydrogen-specific steel pipelines can cost 68% more than natural gas pipelines due to damage caused by hydrogen over time. However, they also propose modifying industry codes to allow the use of higher-strength steel alloys without thicker pipe walls, resulting in a net cost reduction.
Macroscopic Brownian motion phenomena have been observed in self-powered liquid metal motors, with the force coming from hydrogen gas generated at the interface. Researchers found that tiny motors in millimeter scale exhibited random movement on a glass surface, contrary to classical Brownian motion theory.
Researchers discover smaller nanoparticles of magnesium hydride have better mechanical properties, including plastic stability and homogeneous dislocation activity. This suggests a path forward for making better hydrogen storage tanks by engineering them to take advantage of these properties.
Researchers discover a giant cloud of hydrogen gas being burnt off from the atmosphere of GJ 436b, an exoplanet orbiting a warm red dwarf star. The cloud forms a comet-like tail as ultraviolet light pushes hydrogen into spiral motion, with 1000 metric tonnes being lost every second.
A team of scientists has discovered a massive cloud of hydrogen escaping from the atmosphere of GJ436b, a Neptune-sized exoplanet located 33 light years away. This phenomenon may help explain the formation of hot and rocky 'super-earths' and potentially detect extrasolar oceans.
Courtney Passow, a Kansas State University doctoral student, will interact with Nobel laureates in physics, physiology, medicine and chemistry at the 65th Lindau Nobel Laureate Meeting. The meeting provides an opportunity for her to explore potential collaborations.
A team of scientists suggests that hydrothermal processes at the rock-water boundary could produce methane in Enceladus' ocean. Analyzing Cassini data, they propose two possible explanations for the moon's methane abundance: one involving hydrothermal activity and another based on ice formation/melting cycles.
Researchers found that bariatric surgery patients with high methane and hydrogen levels in their breath had a lower percentage weight loss compared to others. The study suggests that an overgrowth of certain gut microbes may alter metabolism, making it harder to lose weight after surgery.
Hydrogen sulfide has been found to widen blood vessels in healthy young adults, which could lead to decreased blood pressure. The researchers plan to investigate further by examining the effects of hydrogen sulfide on hypertensive individuals and high blood pressure treatments.
The gold deposits in the Witwatersrand Basin are thought to have formed through a process involving volcanic rain, anoxic rivers, and ancient life forms. This theory reconciles previous debates between placer gold and hydrothermal hypothesis theories.
Researchers have discovered that hydrogen binding energy is the most important factor predicting the rate of the fuel-cell reaction, enabling the design of new catalyst materials. Alkaline polymers are being explored as a potential solution to create less expensive electrocatalysts that work well in an alkaline environment.
Researchers found that stars in large middle-aged clusters are of similar age, suggesting a complex formation process. The discovery challenges current understanding of stellar evolution and may require re-evaluation of models.
Hydrogen transforms into a layered sheet structure resembling graphene at high pressures, exhibiting unique aromaticity and conductivity. This discovery validates earlier predictions made by chemists three decades ago, expanding our understanding of chemical bonding in extreme conditions.
Astronomers have taken the first time-lapse images of an expanding fireball from a 'nova' star, providing new insights into this rare celestial phenomenon. The data reveal that the fireball expands at a rate faster than previously predicted, engulfing a region comparable to Earth's orbit within a day.
Researchers at the University of Bonn and Cardiff develop a new observational strategy for imaging extremely distant galaxies, using ALMA radio telescope data. This method improves upon previous efforts by accurately estimating molecular hydrogen presence in these galaxies, providing insights into galaxy formation and star creation.
Researchers have created a novel hydrogen-deuterium mixture, exhibiting disordered Phase IV-material with different molecular behaviors. This discovery could lead to optimized thermoelectric and electronic properties in superconducting materials.