News tagged with atomic oxygen

Making microscopic machines using metallic glass

Researchers in Ireland have developed a new technology using materials called bulk metallic glasses to produce high-precision molds for making tiny plastic components. The components, with detailed microscopically patterned ...

Chemistry / Materials Science

created May 22, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Solar thermal process produces cement with no carbon dioxide emissions

(Phys.org) -- While the largest contributor to anthropogenic greenhouse gas emissions is the power industry, the second largest is the more often overlooked cement industry, which accounts for 5-6% of all ...

Chemistry / Materials Science

created Apr 10, 2012 | popularity 4.6 / 5 (25) | comments 22 | with audio podcast report

A glow in the Martian night throws light on atmospheric circulation

(PhysOrg.com) -- A faint, infrared glow above the winter poles of Mars is giving new insights into seasonal changes in the planet's atmospheric circulation. The tell-tale night emission was first detected ...

Space & Earth / Space Exploration

created Apr 04, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Novel method yields highly reactive, highly hydroxylated TiO2 surface

(PhysOrg.com) -- Build a surface of titanium and oxygen atoms arranged just so, coat with water, and add sunshine. What do you get? In theory, energy-rich hydrogen produced by photolysis—a process by ...

Chemistry / Materials Science

created Mar 22, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

First step taken to image ultra-fast movements in chemical reactions

A team of international researchers have fired ultra-fast shots of light at oxygen, nitrogen and carbon monoxide molecules as part of a development aimed at mapping the astonishingly quick movements of atoms within molecules, ...

Physics / General Physics

created Mar 15, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Oxygen molecule survives to enormously high pressures

Using computer simulations, a Ruhr-University Bochum (Germany) researcher has shown that the oxygen molecule (O2) is stable up to pressures of 1.9 terapascal, which is about nineteen million times higher than atmosphere pressure. ...

Physics / Condensed Matter

created Jan 30, 2012 | popularity 5 / 5 (4) | comments 1

Method that can validate nuclear collision models benefits IAEA

A novel technique for materials research is unexpectedly also contributing to the nuclear safety efforts of the International Atomic Energy Agency. Pacific Northwest National Laboratory scientist Dr. Weilin ...

Physics / General Physics

created Jan 25, 2012 | popularity not rated yet | comments 0

Plasma treatment zaps viruses before they can attack cells

Researchers test a pre-emptive anti-viral treatment on a common virus known to cause respiratory infections.

Physics / Plasma Physics

created Dec 16, 2011 | popularity not rated yet | comments 0

Physicists find charge separation in a molecule consisting of two identical atoms

Physicists from the University of Stuttgart show the first experimental proof of a molecule consisting of two identical atoms that exhibits a permanent electric dipole moment. This observation contradicts ...

Physics / General Physics

created Nov 25, 2011 | popularity 4.6 / 5 (22) | comments 7 | with audio podcast

Iodate refuses to intimidate

Like a bull in a china shop, a massive, iodine-based ion called iodate should disrupt the surrounding water molecules until it is forcibly expelled. However, it doesn't. This disconnect between the molecule's ...

Chemistry / Materials Science

created Nov 08, 2011 | popularity 5 / 5 (1) | comments 0

Highly efficient oxygen catalyst found

A team of researchers at MIT has found one of the most effective catalysts ever discovered for splitting oxygen atoms from water molecules — a key reaction for advanced energy-storage systems, including ...

Chemistry / Materials Science

created Oct 28, 2011 | popularity 5 / 5 (12) | comments 2 | with audio podcast

Oxygen inactivates the enzyme function in three phases: study

Scientists from the Faculty of Biology and Biotechnology at the RUB have published a report in the Journal of Biological Chemistry explaining why enzymes used for the production of hydrogen are so sensitive to oxygen. In col ...

Chemistry / Biochemistry

created Oct 12, 2011 | popularity not rated yet | comments 0

Venus has an ozone layer too: probe finds

(PhysOrg.com) -- ESA's Venus Express spacecraft has discovered an ozone layer high in the atmosphere of Venus. Comparing its properties with those of the equivalent layers on Earth and Mars will help astronomers ...

Space & Earth / Space Exploration

created Oct 06, 2011 | popularity 5 / 5 (13) | comments 0 | with audio podcast

A new leaf turns in carbon science

(PhysOrg.com) -- A new insight into global photosynthesis, the chemical process governing how ocean and land plants absorb and release carbon dioxide, has been revealed in research that will assist scientists ...

Space & Earth / Earth Sciences

created Sep 29, 2011 | popularity not rated yet | comments 2

Etch-a-sketch with superconductors

Reporting in Nature Materials this week, researchers from the London Centre for Nanotechnology and the Physics Department of Sapienza University of Rome have discovered a technique to 'draw' superconducting shapes ...

Physics / Superconductivity

created Aug 22, 2011 | popularity 5 / 5 (4) | comments 3 | with audio podcast