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News tagged with turbulence

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.

Physics / General Physics

created May 30, 2012 | popularity 3.7 / 5 (3) | comments 2

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

created May 21, 2012 | popularity 5 / 5 (6) | comments 0

Subaru telescope pioneers the use of adaptive optics for optical observations

A research team from the University of Tokyo/Kavli IPMU, Ehime University, and the National Astronomical Observatory of Japan (NAOJ) has succeeded in conducting the first, full-scale scientific observationswith ...

Space & Earth / Astronomy

created May 25, 2012 | popularity 5 / 5 (1) | comments 0

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 ...

Physics / Optics & Photonics

created Feb 11, 2011 | popularity 4.9 / 5 (25) | comments 10 | with audio podcast

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

created Aug 31, 2009 | popularity 4.6 / 5 (46) | comments 19

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 ...

Physics / General Physics

created Jun 09, 2011 | popularity 4 / 5 (8) | comments 1 | with audio podcast

EU physicists use 20 new satellites to forecast space weather

The northern lights interfere with radio communications, GPS navigation and satellite communications. Researchers are now going to launch 20 satellites containing world class instruments from the University ...

Space & Earth / Space Exploration

created May 14, 2012 | popularity 3 / 5 (2) | comments 0

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.

Physics / General Physics

created Aug 04, 2010 | popularity 4.8 / 5 (11) | comments 6 | with audio podcast

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 ...

Physics / Plasma Physics

created Aug 31, 2009 | popularity 4.8 / 5 (5) | comments 0

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

created Jul 29, 2009 | popularity 4.6 / 5 (22) | comments 10

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 ...

Biology / Plants & Animals

created Jul 23, 2010 | popularity 5 / 5 (6) | comments 0 | with audio podcast report

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

created Oct 07, 2011 | popularity 3.7 / 5 (3) | comments 5 | with audio podcast report

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.

Physics / General Physics

created Dec 03, 2009 | popularity 5 / 5 (6) | comments 4

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 ...

Space & Earth / Astronomy

created Oct 10, 2011 | popularity 5 / 5 (2) | comments 7 | with audio podcast

Stanford engineers put a damper on 'aeroelastic flutter'

(PhysOrg.com) -- Anyone who has ever flown knows the feeling: an otherwise smooth flight gets a little choppy. If you are lucky, the plane skips a few times like a rock across a pond and then settles. For the not-so-lucky, ...

Technology / Engineering

created Mar 25, 2011 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast