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
Global warming likely to be amplified by slow changes to Earth systems
Space & Earth / Earth Sciences
Dec 20, 2009 |
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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 ...
Accelerators and Light Sources of Tomorrow (Part 2: Accelerating with Light)
Dec 22, 2009 |
4.8 / 5 (6) |
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Accelerators are far from achieving the highest energies their builders aspire to, but size and cost may limit the kinds of facilities funding agencies can support. In the future, new kinds of machines will ...
Method makes refineries more efficient
Dec 22, 2009 |
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(PhysOrg.com) -- Refineries could trim millions of dollars in energy costs annually by using a new method developed at Purdue University to rearrange the distillation sequence needed to separate crude petroleum into products.
Cornellians build computer climate-change model
Space & Earth / Earth Sciences
Dec 21, 2009 |
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(PhysOrg.com) -- Researchers are contributing to a new model of climate change that may give more accurate predictions of the amount of carbon dioxide and other greenhouse gases in Earth's future.
Oceans becoming noisier thanks to pollution -- report
Dec 20, 2009 |
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The world's oceans are becoming noisier thanks to pollution, with potentially harmful effects for whales, dolphins and other marine life, US scientists said in a study published Sunday.
Silicon technology offers extended X-ray vision of high-energy cosmos
Space & Earth / Space Exploration
Dec 21, 2009 |
5 / 5 (3) |
2
(PhysOrg.com) -- As elements of the integrated circuits running our computers, phones and electronics, silicon wafers are everywhere. An ESA-led effort is establishing an out-of-this-world use for these ...
Most of 47,000 Filipinos safe from raging volcano
Space & Earth / Earth Sciences
Dec 22, 2009 |
4.7 / 5 (3) |
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(AP) -- Almost all of the 47,000 residents living on the slopes of a rumbling volcano in the central Philippines have moved to emergency shelters, and lava and earthquakes Tuesday heralded what officials ...
China defends role at Copenhagen
Dec 25, 2009 |
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China has defended its role at this month's climate change talks in Copenhagen, saying Premier Wen Jiabao played a key part in sealing an accord, after critics blamed Beijing for blocking negotiations.
