News tagged with turbulence
The pirouette effect in the chaos of turbulence
(PhysOrg.com) -- The quick mixing of coffee and milk after stirring or the formation of raindrops in clouds: these are just two of many phenomena in which turbulent flows play a decisive role. Researchers ...
Jun 09, 2011 |
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A guide star lets scientists see deep into human tissue
Astronomers have a neat trick they sometimes use to compensate for the turbulence of the atmosphere that blurs images made by ground-based telescopes. They create an artificial star called a guide star and ...
Feb 11, 2011 |
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Taking the twinkle out of the night sky
If you are like most people, you probably enjoy the twinkling of stars that blanket the sky on a clear summer night. If you are an astronomer, chances are you find it extremely annoying.
Aug 04, 2010 |
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Mosses use 'mushroom clouds' to spread spores (w/ Video)
(PhysOrg.com) -- Scientists in the US have solved the mystery of how peat mosses manage to get their spores high enough to catch the wind, discovering that they produce vortex rings of air, like miniature ...
Jul 23, 2010 |
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Turbulence around heat transport
(PhysOrg.com) -- Heat transport in the earth's mantle and in the atmosphere is probably not as effective as previously thought.
Dec 03, 2009 |
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Signs of ideal surfing conditions spotted in ocean of solar wind
(PhysOrg.com) -- Researchers at the University of Warwick have found what could be the signal of ideal wave "surfing" conditions for individual particles within the massive turbulent ocean of the solar wind. The discovery ...
Aug 31, 2009 |
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Astronomers find coldest, driest, calmest place on Earth
The search for the best observatory site in the world has lead to the discovery of what is thought to be the coldest, driest, calmest place on Earth. No human is thought to have ever been there but it is expected to yield ...
Space & Earth / Earth Sciences
Aug 31, 2009 |
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150 years later, Darwin vindicated... by jellyfish: Researchers link tiny sea creatures to large-scale ocean mixing
(PhysOrg.com) -- Creatures large and small may play an important role in the stirring of ocean waters, according to a study released Wednesday that confirms a theory advanced by Charles Darwin.
Space & Earth / Earth Sciences
Jul 29, 2009 |
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Scientists discover rigid structure in centre of turbulence
Pioneering mathematical engineers have discovered for the first time a rigid structure which exists within the centre of turbulence, leading to hope that its chaotic movement could be controlled in the future.
May 05, 2009 |
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Watching Venus glow in the dark
(PhysOrg.com) -- ESA’s Venus Express spacecraft has observed an eerie glow in the night-time atmosphere of Venus. This infrared light comes from nitric oxide and is showing scientists that the atmosphere of ...
Space & Earth / Space Exploration
Feb 24, 2009 |
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Cricket swing theory does not hold water: study
The widely-held belief that moisture in the air during humid conditions helps make a cricket ball swing has been clean bowled in a scientific study.
May 30, 2012 |
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Stellar winds
(PhysOrg.com) -- The Sun, glowing with a surface temperature of about 5500 degrees Celsius, warms the Earth with its salutary light. Meanwhile the Sun's hot outer layer (the corona), with its temperature of ...
Oct 10, 2011 |
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Scientists warn Spanish cave should remain off the tourist map
(PhysOrg.com) -- The World Heritage listed Altamira Cave at Cantabria in northern Spain, is home to some of the most perfect examples of Paleolithic cave paintings in Europe, but threats posed by tourists ...
Other Sciences / Archaeology & Fossils
Oct 07, 2011 |
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40 year old Mariner 5 solar wind problem finds answer - turbulence doesn't go with the flow
(PhysOrg.com) -- Research led by astrophysicists at the University of Warwick has resolved a 40 year old problem with observations of turbulence in the solar wind first made by the probe Mariner Five. The research resolves ...
Space & Earth / Space Exploration
Aug 26, 2011 |
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Wake cloaking simulated in lab - objects move through water without leaving a trace
(PhysOrg.com) -- Metamaterials researchers Yaroslav Urzhumov and David Smith, working at Duke University have built a simulation of an object that can move through water without leaving a trace and claim it's ...
Jul 25, 2011 |
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