News tagged with gas vapor
Controlling silicon evaporation allows scientists to boost graphene quality
Scientists from the Georgia Institute of Technology have for the first time provided details of their "confinement controlled sublimation" technique for growing high-quality layers of epitaxial graphene on ...
Nanotechnology / Nanomaterials
Sep 22, 2011 |
5 / 5 (3) |
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Graphene: New electronics material closer to commercial reality
(PhysOrg.com) -- Researchers have developed a method for creating single-crystal arrays of a material called graphene, an advance that opens up the possibility of a replacement for silicon in high-performance ...
Nanotechnology / Nanomaterials
May 26, 2011 |
4.8 / 5 (8) |
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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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Graphene organic photovoltaics, or, will joggers' t-shirts someday power their cell phones?
A University of Southern California team has produced flexible transparent carbon atom films that the researchers say have great potential for a new breed of solar cells.
Nanotechnology / Nanomaterials
Jul 23, 2010 |
5 / 5 (7) |
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Technology breakthrough fuels laptops and phones, recharges scientist's 60-year career
How does a scientist fuel his enthusiasm for chemistry after 60 years? By discovering a new energy source, of course.
Technology / Energy & Green Tech
Feb 17, 2011 |
4.7 / 5 (21) |
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Carbon dioxide controls Earth's temperature
(PhysOrg.com) -- Water vapor and clouds are the major contributors to Earth's greenhouse effect, but a new atmosphere-ocean climate modeling study shows that the planet's temperature ultimately depends on ...
Space & Earth / Earth Sciences
Oct 14, 2010 |
3.8 / 5 (52) |
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Trees invading warming Arctic will cause warming over entire region, study shows
(PhysOrg.com) -- Contrary to scientists' predictions that, as the Earth warms, the movement of trees into the Arctic will have only a local warming effect, University of California, Berkeley, scientists modeling ...
Space & Earth / Earth Sciences
Jan 12, 2010 |
3.5 / 5 (27) |
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Stratospheric Water Vapor is a Global Warming Wild Card
A 10 percent drop in water vapor ten miles above Earth’s surface has had a big impact on global warming, say researchers in a study published online January 28 in the journal Science. The findings might help e ...
Space & Earth / Earth Sciences
Jan 28, 2010 |
4.3 / 5 (21) |
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Global warming likely to be amplified by slow changes to Earth systems
Researchers studying a period of high carbon dioxide levels and warm climate several million years ago have concluded that slow changes such as melting ice sheets amplified the initial warming caused by greenhouse ...
Space & Earth / Earth Sciences
Dec 20, 2009 |
2.8 / 5 (49) |
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Climate models confirm more moisture in atmosphere attributed to humans
(PhysOrg.com) -- When it comes to using climate models to assess the causes of the increased amount of moisture in the atmosphere, it doesn't much matter if one model is better than the other.
Space & Earth / Earth Sciences
Aug 10, 2009 |
3.1 / 5 (22) |
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Spacecraft flew through 'snowstorm' on encounter with comet Hartley 2
On its recent trip by comet Hartley 2, the Deep Impact spacecraft took the first pictures of, and flew through, a storm of fluffy particles of water ice being spewed out by carbon dioxide jets coming from ...
Space & Earth / Space Exploration
Nov 18, 2010 |
5 / 5 (7) |
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Cyclones spurt water into the stratosphere, feeding global warming
Scientists at Harvard University have found that tropical cyclones readily inject ice far into the stratosphere, possibly feeding global warming.
Space & Earth / Earth Sciences
Apr 20, 2009 |
3.6 / 5 (7) |
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Water evaporated from trees cools global climate
Scientists have long debated about the impact on global climate of water evaporated from vegetation. New research from Carnegie's Global Ecology department concludes that evaporated water helps cool the earth as a whole, ...
Space & Earth / Earth Sciences
Sep 14, 2011 |
5 / 5 (3) |
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Breath or urine analysis may detect cancer, diabetes
(PhysOrg.com) -- A future sensor may take away a patient's breath while simultaneously determining whether the patient has breast cancer, lung cancer, diabetes or asthma. A University of Missouri researcher is developing ...
Chemistry / Analytical Chemistry
Mar 10, 2009 |
5 / 5 (4) |
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Researcher investigates new material grown from sugar
(PhysOrg.com) -- Ordinary table sugar could be a key ingredient to developing much lighter, faster, cheaper, denser and more robust computer electronics for use on U.S. military aircraft.
Nanotechnology / Nanomaterials
Feb 14, 2011 |
5 / 5 (1) |
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