Gas
hideIn physics, a gas is a state of matter, consisting of a collection of particles (molecules, atoms, ions, electrons, etc.) without a definite shape or volume that are in more or less random motion.
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News tagged with gas
Japan eyes solar station in space as new energy source
18 hours ago |
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It may sound like a sci-fi vision, but Japan's space agency is dead serious: by 2030 it wants to collect solar power in space and zap it down to Earth, using laser beams or microwaves.
Climate Change, Nitrogen Loss Threaten Plant Life in Arid Desert Soils
Nov 05, 2009 |
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(PhysOrg.com) -- In the Mojave Desert winds howl across this hottest place in North America, blowing sands across Death Valley and through empty ghost towns, swirling across treeless land for hundreds of miles. ...
Reducing Agriculture's Climate Change Footprint
Nov 04, 2009 |
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(PhysOrg.com) -- Curbing greenhouse gas emissions from cultivated fields may require going beyond cutting back on nitrogen fertilizer and changing crop rotation cycles, according to research by Agricultural ...
Quantum gas microscope offers glimpse of quirky ultracold atoms
Nov 04, 2009 |
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(PhysOrg.com) -- Physicists at Harvard University have created a quantum gas microscope that can be used to observe single atoms at temperatures so low the particles follow the rules of quantum mechanics, ...
New evidence supports 19th century idea on formation of oil and gas
Chemistry / Analytical Chemistry
Nov 04, 2009 |
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Scientists in Washington, D.C. are reporting laboratory evidence supporting the possibility that some of Earth's oil and natural gas may have formed in a way much different than the traditional process described ...
The 'e-Nose': Scientists try to develop an electronic sniffer
Chemistry / Analytical Chemistry
Nov 02, 2009 |
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Sniff, sniff, sniff -- Yum! Sniff, sniff, sniff -- Oh, yuck!!! For almost 25 years, chemists and other scientists have tried to build a machine that can do exactly that.
Fermi Telescope Detects Gamma-Ray From 'Star Factories' in Other Galaxies
Nov 02, 2009 |
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Nearby galaxies undergoing a furious pace of star formation also emit lots of gamma rays, say astronomers using NASA's Fermi Gamma-ray Space Telescope. Two so-called "starburst" galaxies, plus a satellite ...
Iron controls patterns of nitrogen fixation in the Atlantic
Space & Earth / Earth Sciences
Nov 02, 2009 |
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Scientists including researchers from the National Oceanography Centre, Southampton and the University of Essex have discovered that interactions between iron supply, transported through the atmosphere from ...
The Ring Nebula
Nov 02, 2009 |
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The diversity of colours, shapes, and sizes of planetary nebulae make them fascinating objects. In this photo release Calar Alto presents a rather unique view combining both optical and near-infrared data ...
Colorado county copes with methane mystery
Nov 02, 2009 |
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(AP) -- Bernice and Jerry Angely like to show visitors the singed T-shirt a friend was wearing when their water well exploded and shot flames 30 feet high.
Japan aims to bury greenhouse gas emissions
Nov 01, 2009 |
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Swathes of dirty clouds brood over a coal plant in rural Japan, but scientists are now hoping to send the pollutants the other way, deep into the bowels of Mother Earth.
Dark Matter in a Galaxy
Oct 30, 2009 |
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(PhysOrg.com) -- Stars, the most familiar objects in the night sky, make up only a tiny percentage of the total amount of matter in the universe -- about 2%.
North America automobile sector bottom of 'world sustainability league'
Oct 30, 2009 |
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North American car manufacturers have come bottom of the league in the largest ever international study of the global automobile sector's sustainability performance.
Underground mission to Mars
Oct 29, 2009 |
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The Netherlands is home to around 120,000 kilometres of underground gas pipelines. Researcher Edwin Dertien of Dutch University of Twente is working on a robot which can inspect the gas pipelines independently. ...
Interactions with Aerosols Boost Warming Potential of Some Gases
Space & Earth / Earth Sciences
Oct 29, 2009 |
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(PhysOrg.com) -- For decades, climate scientists have worked to identify and measure key substances -- notably greenhouse gases and aerosol particles -- that affect Earth’s climate. And they’ve been aided ...
