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News tagged with gas atoms

There's more star-stuff out there but it's not dark matter

(Phys.org) -- More atomic hydrogen gas — the ultimate fuel for stars — is lurking in today's Universe than we thought, CSIRO astronomer Dr. Robert Braun has found.

Space & Earth / Astronomy

created May 30, 2012 | popularity 3.7 / 5 (10) | comments 15 | with audio podcast

Team finds buckyballs grow larger by 'eating' vaporized carbon

(Phys.org) -- Fullerenes were first discovered back in 1985 by a team of physicists vaporizing graphite in helium gas, one class of which, the buckminsterfullerene (C60) named after Buckminster Fuller and ...

Nanotechnology / Nanomaterials

created May 30, 2012 | popularity 4 / 5 (2) | comments 0 | with audio podcast weblog

Repulsive polaron: Austrian physicists realize elusive quasiparticles

(Phys.org) -- In quantum physics physical processes in condensed matter and other many-body systems can often be described with quasiparticles. In Innsbruck, for the first time Rudolf Grimm’s team of ...

Physics / Quantum Physics

created May 23, 2012 | popularity 5 / 5 (8) | comments 1 | with audio podcast

As Japan shuts down nuclear power, emissions rise

(AP) -- The Fukushima crisis is eroding years of Japanese efforts to reduce greenhouse gas emissions blamed for global warming, as power plants running on oil and natural gas fill the electricity gap left ...

Technology / Energy & Green Tech

created May 04, 2012 | popularity 3 / 5 (4) | comments 9

Research estimates how long Titan's chemical factory has been in business

Saturn's giant moon Titan hides within a thick, smoggy atmosphere that's well-known to scientists as one of the most complex chemical environments in the solar system. It's a productive "factory" cranking ...

Space & Earth / Space Exploration

created Apr 24, 2012 | popularity 3.7 / 5 (3) | comments 5 | with audio podcast

New technique efficiently creates single photons for quantum information processing

Using lasers to excite just one atom from a cloud of ultra-cold rubidium gas, physicists have developed a new way to rapidly and efficiently create single photons for potential use in optical quantum information ...

Physics / General Physics

created Apr 19, 2012 | popularity 4.8 / 5 (4) | 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

Poland to nix EU's 2050 climate targets: report

Poland is threatening to veto European Union 2050 targets for emissions reductions at a Friday meeting of the bloc's environment ministers in Brussels, a Polish media report said Wednesday.

Space & Earth / Environment

created Mar 07, 2012 | popularity not rated yet | comments 0

Electrons in concert: A simple probe for collective motion in ultracold plasmas

(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a bre ...

Physics / Plasma Physics

created Feb 06, 2012 | popularity 4.5 / 5 (8) | comments 0 | with audio podcast

A pocket of star formation

(PhysOrg.com) -- This new view shows a stellar nursery called NGC 3324. It was taken using the Wide Field Imager on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile. The intense ultraviolet ...

Space & Earth / Astronomy

created Feb 01, 2012 | popularity not rated yet | comments 0 | with audio podcast

Making molecular hydrogen more efficiently

(PhysOrg.com) -- When it comes to the industrial production of chemicals, often the most indispensable element is one that you can't see, smell, or even taste. It's hydrogen, the lightest element of all.

Chemistry / Materials Science

created Dec 09, 2011 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Crystallizing the switch to hydrogen

Hydrogen gas is an almost infinitely inexhaustible fuel source that emits only clean water during combustion. Switching from hydrocarbon-based transportation to systems powered by state-of-the-art fuel cells ...

Chemistry / Materials Science

created Dec 02, 2011 | popularity 4.9 / 5 (7) | comments 12 | with audio podcast

Research: Graphene grows better on certain copper crystals

New observations could improve industrial production of high-quality graphene, hastening the era of graphene-based consumer electronics, thanks to University of Illinois engineers.

Nanotechnology / Nanomaterials

created Oct 27, 2011 | popularity 4.9 / 5 (9) | comments 9 | with audio podcast

On the nanoscale, particles flow in unexpected ways

Researchers studying how fluids travel through nanoscale channels were surprised to discover that the fluids don't flow equally well in all directions. Contrary to the behavior in the macroscale world, the researchers discovered ...

Nanotechnology / Nanomaterials

created Oct 25, 2011 | popularity 4 / 5 (3) | comments 3 | with audio podcast

Laser makes sure food is fresh

Minced meat, bread, fruit juice and many other foods are packaged in a protective gas which extends their shelf life. There is currently no good method to check whether the packaging has the correct gas content. However, ...

Chemistry / Other

created Oct 20, 2011 | popularity not rated yet | comments 0