News tagged with gas molecules
First atomic X-ray laser created
Scientists working at the U.S. Department of Energy's (DOE) SLAC National Accelerator Laboratory have created the shortest, purest X-ray laser pulses ever achieved, fulfilling a 45-year-old prediction and ...
Jan 25, 2012 |
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Buffer gas cooling could open up the field of ultracold physics
(PhysOrg.com) -- "Scientists have been making Bose-Einstein Condensates [BECs] for nearly 15 years," Charlie Doret tells PhysOrg.com. "Essentially all BEC research to date, however, begins with laser cooling. Unfortunately, ...
Sep 17, 2009 |
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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 ...
Feb 06, 2012 |
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Mathematicians Solve 140-Year-Old Boltzmann Equation
(PhysOrg.com) -- Two University of Pennsylvania mathematicians have found solutions to a 140-year-old, 7-dimensional equation that were not known to exist for more than a century despite its widespread use in modeling the ...
May 13, 2010 |
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How wet is water's surface? Some water molecules split the difference between gas and liquid
(PhysOrg.com) -- Air and water meet over most of the earth's surface, but exactly where one ends and the other begins turns out to be a surprisingly subtle question.
Jun 08, 2011 |
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The great gas hydrate escape
For some time, researchers have explored flammable ice for low-carbon or alternative fuel or as a place to store carbon dioxide. Now, a computer analysis of the ice and gas compound, known as a gas hydrate, ...
Jan 18, 2012 |
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Smart gas sensors for better chemical detection
Portable gas sensors can allow you to search for explosives, diagnose medical conditions through a patient's breath, and decide whether it's safe to stay in a mine.
Chemistry / Analytical Chemistry
May 01, 2012 |
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Chemistry in one dimension offers surprising result
Due to their unique properties single walled carbon nanotubes have been suggested as a promising material for electronics, optics and in other fields of materials science. When scientists from Umea University and Aalto University ...
Nanotechnology / Nanomaterials
Mar 27, 2012 |
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A paperweight for platinum: Bracing catalyst in material makes fuel cell component work better, last longer
A new combination of nanoparticles and graphene results in a more durable catalytic material for fuel cells, according to work published today online at the Journal of the American Chemical Society. The catalytic ...
Nanotechnology / Nanomaterials
Feb 09, 2011 |
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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
Apr 24, 2012 |
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Creating a quantum gas
(PhysOrg.com) -- "One of the many reasons people study ultracold gases is for their potential as model quantum systems," Deborah Jin tells PhysOrg.com. "There is a need to model quantum many-body systems because a lot of ...
Feb 01, 2010 |
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Plastic laser detects tiny amounts of explosives
(PhysOrg.com) -- Detecting hidden explosives is a difficult task but now researchers in the UK have developed a completely new way of detecting them, with a laser sensor capable of detecting molecules of explosives ...
Jun 08, 2010 |
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Milestone: A methane-metal marriage
(PhysOrg.com) -- University of Arizona scientists have inserted metal atoms into methane gas molecules and obtained a detailed structure of the resulting molecule. The discovery could be a key step in making ...
Dec 20, 2010 |
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Seeing the quantum in chemistry: Scientists control chemical reactions of ultracold molecules
(PhysOrg.com) -- Physicists at JILA have for the first time observed chemical reactions near absolute zero, demonstrating that chemistry is possible at ultralow temperatures and that reaction rates can be ...
Feb 11, 2010 |
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Zapping Titan-like atmosphere with UV rays creates life precursors
The first experimental evidence showing how atmospheric nitrogen can be incorporated into organic macromolecules is being reported by a University of Arizona team.
Jun 29, 2010 |
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