News tagged with alkaline earth
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Absorbing Hydrogen Fluoride Gas to Enhance Crystal Growth
Dec 10, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- Two scientists at the U.S. Department of Energy's Brookhaven National Laboratory have developed a method to control the buildup of hydrogen fluoride gas during the growth of precision crystals ...
Earth's atmosphere came from outer space, find scientists
Space & Earth / Earth Sciences
Dec 10, 2009 |
4 / 5 (24) |
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(PhysOrg.com) -- The gases which formed the Earth's atmosphere - and probably its oceans - did not come from inside the Earth but from outer space, according to a study by University of Manchester and University ...
Climate projections underestimate CO2 impact
Space & Earth / Earth Sciences
Dec 10, 2009 |
3 / 5 (14) |
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The climate may be 30-50 percent more sensitive to atmospheric carbon dioxide in the long term than previously thought, according to a recent study published in Nature Geoscience.
The Meandering Channels of Mars
Space & Earth / Space Exploration
Dec 10, 2009 |
4 / 5 (5) |
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Sinuous channels on the Martian surface may be evidence of relatively recent rainfall. Researchers plan to test this hypothesis by studying sinuous streams on Earth.
Best (Meteor) Shower of 2009 - No Towel Required
Space & Earth / Space Exploration
Dec 10, 2009 |
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(PhysOrg.com) -- Bundle up and get ready to watch a fiery lightshow stirred up by dead comets in Earth's upper atmosphere during the cold of winter in the dead of night. The annual Geminid meteor shower is ...
Sea level is rising along US Atlantic coast, say environmental scientists
Space & Earth / Earth Sciences
Dec 10, 2009 |
3.8 / 5 (12) |
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An international team of environmental scientists led by the University of Pennsylvania has shown that sea-level rise along the Atlantic Coast of the United States was 2 millimeters faster in the 20th century ...
Magnetic field measurements of the human heart at room temperature
12 hours ago |
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A new optical sensor developed by the American National Institute of Standards and Technology was successfully tested by the Physikalisch-Technische Bundesanstalt (Germany) in the "magnetically best shielded ...
A faint star orbiting the Big Dipper's Alcor discovered
Dec 10, 2009 |
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Next time you spy the Big Dipper, keep in mind that there is another star, invisible to the unaided eye, contributing to this constellation.
First phase of pan-tropical forest mapping debuting at COP15
Dec 10, 2009 |
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Tropical forest loss accounts for an estimated 17% of global emissions of carbon dioxide. As part of a strategy to reduce these greenhouse gas fluxes to the atmosphere, the UNFCCC's Conference of the Parties 15 in Copenhagen ...
Rice physicists find reappearing quantum trios
13 hours ago |
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Using atoms at temperatures colder than deep space, Rice University physicists have delivered overwhelming proof for a once-scoffed-at theory that's become a hotbed for research some 40 years after it first ...
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