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Icy calculations on a hot topic
09-10-2007 · EurekAlert!University of Utah mathematicians have arrived at a new understanding of how salt-saturated ocean water flows through sea ice -- a discovery that promises to improve forecasts of how global warming will affect polar icepacks.
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- Fire and structural safety a hot topic for engineers -- and the nation
06-05-2007 · EurekAlert!
Earthquakes and explosions grab the headlines when structures are toppled, but often the Achilles' heel of engineering is fire. Fire is the follow-up act in disasters. Yet in a research world awash in data keeping skyscrapers, bridges and buildings upright and safe in disaster, fire remains largely unstudied. A Michigan State professor says bringing the United States up to speed in integrating fire and structural engineering is crucial to homeland security.
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- Mars and the search for traces of life
11-16-2007 · European Space Agency (ESA)
The European Mars Science & Exploration Conference: Mars Express and ExoMars has just concluded. We present interviews with selected experts on the hot topic: Mars and the search for traces of life.
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- Biofuels: An advisable strategy?
03-07-2007 · EurekAlert!
Biofuels have been an increasingly hot topic on the discussion table in the last few years. The main argument behind the policies in favour of biofuels is based on the idea that biofuels would not increase the concentration of greenhouse gases in the atmosphere. However, a more careful analysis of the life cycle of biodiesel reveals that the energy (and CO2) savings is not so high as it might even be negative.
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- Global temperature -- politics or science?
03-15-2007 · EurekAlert!
The entire debate about global warming is a mirage. The concept of "global temperature" is thermodynamically as well as mathematically an impossibility, says professor at The Niels Bohr Institute, University of Copenhagen, Bjarne Andresen who has analyzed this hot topic in collaboration with professors Christopher Essex from University of Western Ontario and Ross McKitrick from University of Guelph, both Ontario, Canada.
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- Latest Supercomputer Calculations Support the Six-Quark Theory
02-08-2008 · Brookhaven National Laboratory
A new calculation, reported in the January 25, 2008 issue of Physical Review Letters, confirms the six-quark theory of particle-anti-particle asymmetry. This is the first complete calculation of this phenomenon to employ a highly accurate description of the quarks that adds a fifth dimension beyond those of space and time.
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- Cracks on Enceladus open and close under Saturn's pull
05-16-2007 · EurekAlert!
Cracks in the icy surface of Saturn's moon Enceladus open and close daily under the pull of Saturn's gravity, according to new calculations by NASA-sponsored researchers.
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- Scientists Make Atomic Clock Breakthrough
10-13-2006 · ScienceDaily
Andrei Derevianko, Kyle Beloy, and Ulyana Safronova sat down six months ago and began work on a calculation that will help the world keep better time. In competition with scientists at the University of New South Wales, the University team led by associate professor Derevianko conducted research that increased the accuracy of atomic clocks, and they did it without running a single experiment.
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- Case researchers may have solved
06-20-2007 · EurekAlert!
"Nothing there," is what Case Western Reserve University physicists concluded about black holes after spending a year working on complex formulas to calculate the formation of new black holes. In nearly 13 printed pages with a host of calculations, the research may solve the information loss paradox that has perplexed physicists for the past 40 years.
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- New, hands-on science demos teach young students how volcanoes 'blow their tops,' spew lava
10-24-2006 · EurekAlert!
Geologists at Rutgers University have created three hands-on demonstrations that show how heat and pressure underground move rocks and earth to build up volcanic mountains, and in some cases, cause them to literally blow their tops. These activities, which depict the actual forces that caused Washington's Mt. St. Helens to blow or Hawaii's Kilauea to spew red-hot rivers of lava, captivate kids while giving them a foundation for studying earth science in high school.
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- Hotspots or not? Isotopes score one for traditional theory
12-06-2006 · EurekAlert!
New chemical evidence sheds light on the physical constraints of 'hotspots' -- locations where upwellings of Earth's mantle material form seamounts and island chains. Although the existence of hotspots has been debated over the past 30 years, consistent data from uranium isotope decay series at eight island locations supports the idea that concentrated plumes of hot mantle material formed these islands.
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