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In the planetary nursery

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.

SourceMax-Planck-Gesellschaft·JournalNature·DateJan 31, 2013

Testing Einstein's E=mc2 in outer space

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.

Single-atom transistor is 'perfect'

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.

SourceUniversity of New South Wales·JournalNature Nanotechnology·DateFeb 19, 2012

Hydrogen advances graphene use

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.

SourceLinköping University·JournalPhysical Review A·DateJan 12, 2012

New metal hydride clusters provide insights into hydrogen storage

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.

SourceRIKEN·JournalNature Chemistry·DateSep 22, 2011

Water's surface not all wet

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.

Upping the anti

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.

SourceUniversity of Calgary·JournalNature Physics·DateJun 5, 2011

Hydrocarbons in the deep Earth

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.

SourceUniversity of California - Davis·JournalProceedings of the National Academy of Sciences·DateApr 18, 2011

Self-assembly of nano-rotors

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.

SourceTechnical University of Munich (TUM)·JournalProceedings of the National Academy of Sciences·DateNov 23, 2010

Atomic-level manufacturing

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.

Juelich researchers take a look inside molecules

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.

SourceHelmholtz Association·JournalPhysical Review Letters·DateAug 20, 2010

The proton -- smaller than thought

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.

SourceMax-Planck-Gesellschaft·JournalNature·DateJul 12, 2010

Metal hydrides for high temperature superconductivity

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.

SourceUppsala University·JournalProceedings of the National Academy of Sciences·DateJan 27, 2010

New hydrogen-storage method discovered

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.

SourceCarnegie Institution for Science·JournalNature Chemistry·DateNov 22, 2009

How the Moon produces its own water

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.

SourceEuropean Space Agency·JournalPlanetary and Space Science·DateOct 15, 2009

New clues about a hydrogen fuel catalyst

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.

SourceDOE/Pacific Northwest National Laboratory·JournalJournal of the American Chemical Society·DateAug 5, 2009

Study gives clues to increasing X-rays' power

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.

SourceUniversity of Nebraska-Lincoln·JournalPhysical Review Letters·DateJun 16, 2009

Scientists find new way to produce hydrogen

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.

SourcePenn State·JournalScience·DateJan 22, 2009

Heavy pyridine crystallizes differently

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.

SourceWiley·DateJan 8, 2009

Where did Venus's water go?

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.

SourceEuropean Space Agency·JournalGeophysical Research Letters·DateDec 18, 2008

Solar flare surprise

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.

SourceNASA/Goddard Space Flight Center·JournalThe Astrophysical Journal Letters·DateDec 15, 2008

Atomic tug of war

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.

SourceUniversity of Bristol·JournalNature·DateJul 2, 2008

Physicists create millimeter-sized 'Bohr atom'

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.

SourceRice University·JournalPhysical Review Letters·DateJun 30, 2008

Fair trade

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.

SourceWiley·DateJun 16, 2008

Stopping atoms

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.

SourceIOP Publishing·JournalNew Journal of Physics·DateOct 3, 2007