News tagged with temperature fluctuation
Simulation software optimizes networks
By the year 2020, thousands of kilometers of new grids will be operating in Germany to permit even more extensive use of power from renewable sources. However, these new "smart grids" also come with increased complexity, ...
Apr 05, 2012 |
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Physicists search for new physics in primordial quantum fluctuations
(PhysOrg.com) -- Inflation, the brief period that occurred less than a second after the Big Bang, is nearly as difficult to fathom as the Big Bang itself. Physicists calculate that inflation lasted for just ...
Mar 26, 2012 |
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Early Earth may have been prone to deep freezes: study
Two University of Colorado Boulder researchers who have adapted a three-dimensional, general circulation model of Earth's climate to a time some 2.8 billion years ago when the sun was significantly fainter than present think ...
Space & Earth / Earth Sciences
Dec 05, 2011 |
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A microscopic view on quantum fluctuations
(PhysOrg.com) -- Scientists at the Max Planck Institute of Quantum Optics achieve direct imaging of quantum fluctuations at absolute zero temperature.
Oct 14, 2011 |
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J-2X test series proves part integrity
Engineers at NASA's Marshall Space Flight Center gave a key component of the J-2X engine a brisk workout to ensure it can withstand its extreme operating environment. The engine's fuel turbopump first stage ...
Space & Earth / Space Exploration
May 16, 2011 |
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Daily temperature fluctuations play major role in transmission of dengue, research finds
(PhysOrg.com) -- Daily temperature fluctuations, not just high temperatures, play a significant role in the transmission of dengue, a deadly mosquito-borne disease that strikes millions of people in tropical ...
Medicine & Health / Diseases, Conditions, Syndromes
Apr 18, 2011 |
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New interpretation of Antarctic ice cores
Climate researchers at the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association (AWI) expand a prevalent theory regarding the development of ice ages. In the current issue of the journal Nature three ...
Space & Earth / Earth Sciences
Mar 02, 2011 |
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Fleeting fluctuations in superconductivity disappear close to transition temperature
(PhysOrg.com) -- As part of an ongoing effort to uncover details of how high-temperature superconductors carry electrical current with no resistance, scientists at Johns Hopkins University and the U.S. Department ...
Feb 13, 2011 |
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Tiny generators turn waste heat into power
The second law of thermodynamics is a big hit with the beret-wearing college crowd because of its implicit existential crunch. The tendency of a closed systems to become increasingly disordered if no energy is added or removed ...
Sep 28, 2010 |
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Temperature fluctuations cause excess noise
The thermal noise of the electric current has been well known for almost a century. In an article published this week in Physical Review Letters, a group of researchers from the Low Temperature Laboratory of Aalto Univer ...
May 14, 2010 |
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Oceans absorbing carbon dioxide more slowly, scientist finds
The world's oceans are absorbing less carbon dioxide (CO2), a Yale geophysicist has found after pooling data taken over the past 50 years. With the oceans currently absorbing over 40 percent of the CO2 emitted by human activity, ...
Space & Earth / Earth Sciences
Nov 24, 2009 |
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Climate models don't tell the full story
(PhysOrg.com) -- Climate models that predict heavy rainfall don’t give the whole picture, according to the results of a study by NWO (Netherlands Organisation for Scientific Research) scientist Martin Ziegler. He examined ...
Space & Earth / Earth Sciences
Oct 08, 2009 |
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Searching for an interglacial on Greenland
The first season of the international drilling project NEEM (North Greenland Eemian Ice Drilling) in north-western Greenland was completed at August 20th.
Space & Earth / Earth Sciences
Aug 24, 2009 |
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Close relationship between past warming and sea-level rise
Scientists from the National Oceanography Centre, Southampton, along with colleagues from Tuebingen and Bristol have reconstructed sea-level fluctuations over the last 520,000 years. Comparison of this record with data on ...
Space & Earth / Earth Sciences
Jun 22, 2009 |
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Forecasters predict 6 Atlantic hurricanes for 2009
Six hurricanes are expected to churn through the Atlantic this year, a Colorado State University forecast team said Tuesday as it lowered its estimates for the upcoming storm season.
Space & Earth / Earth Sciences
Apr 07, 2009 |
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