News tagged with turbulence
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 |
4.6 / 5 (46) |
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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 |
4.9 / 5 (25) |
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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 |
4.6 / 5 (22) |
10
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 |
4.9 / 5 (15) |
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Electrons on the brink: Fractal patterns may be key to semiconductor magnetism (w/ Video)
(PhysOrg.com) -- Just as the heartbeats of today's electronic devices depend on the ability to switch the flow of electricity in semiconductors on and off with lightning speed, the viability of the "spintronic" ...
Feb 05, 2010 |
4.4 / 5 (16) |
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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 |
4.8 / 5 (11) |
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Upping the power triggers an ordered helical plasma
If you keep twisting a straight elastic string, at some moment it starts kinking in a wild way. Something similar occurs when one increases the electrical current flowing in a magnetized plasma doughnut: it ...
Nov 02, 2009 |
4.7 / 5 (11) |
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Planetary magnetic fields: The hunt for better models
Some three thousand kilometers below the surface of the Earth and with temperatures reaching those at the surface of the sun, the core of our home planet is no more within our physical reach today than it ...
Space & Earth / Space Exploration
Nov 25, 2010 |
4.9 / 5 (10) |
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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 |
4.3 / 5 (10) |
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Generating electricity from air flow
A group of researchers at the City College of New York is developing a new way to generate power for planes and automobiles based on materials known as piezoelectrics, which convert the kinetic energy of motion into electricity. ...
Nov 22, 2009 |
3.5 / 5 (11) |
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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 |
4 / 5 (8) |
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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 |
5 / 5 (6) |
4
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 |
5 / 5 (6) |
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Europe's largest solar telescope opens in Canary Islands
A powerful solar telescope billed as the largest in Europe opened Monday on Spain's Canary Islands which scientists say will allow them to study the sun in unprecedented detail.
Space & Earth / Space Exploration
May 21, 2012 |
5 / 5 (6) |
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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 |
4.3 / 5 (6) |
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