News tagged with vortices
Sandy streets over the Atlantic
Thick dust from the Sahara blowing over the ocean off the western coast of Africa encounters the islands of Cape Verde, forming a wake of swirling “vortex streets” visible by satellite.
Space & Earth / Earth Sciences
Feb 10, 2012 |
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Synchronized dynamic duos: Controlling how magnetic vortices gyrate together
Crystals can guide and control light and electricity by creating spatially periodic energy barriers. An electron (or photon) can pass through these barriers only when it has a particular energy, allowing ...
Aug 26, 2011 |
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Modeling the bizarre: Quantum superfluids
(PhysOrg.com) -- More than 100 years since superconductivity was discovered, a comprehensive description for the behavior of a broad class of fundamental physical systems that exhibit the bizarre properties ...
Jun 23, 2011 |
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Mini disks for data storage: Slanted edges favor tiny magnetic vortices
Slanted exterior edges on tiny magnetic disks could lead to a breakthrough in data processing. Materials researchers of the Helmholtz-Zentrum Dresden-Rossendorf, Germany, were able to create magnetic vortices with a diameter ...
Mar 14, 2011 |
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Electric current moves magnetic vortices (w/ Video)
One of the requirements to keep trends in computer technology on track – to be ever faster, smaller, and more energy-efficient – is faster writing and processing of data. In the Dec. 17 issue of ...
Dec 17, 2010 |
4.3 / 5 (4) |
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How hummingbirds fight the wind: Robotic device helps analyze hovering birds
Hummingbirds rank among the world's largest and most accomplished hovering animals, but how do they manage it in gusty winds?
Nov 21, 2010 |
4.7 / 5 (7) |
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Tying light in knots
(PhysOrg.com) -- The remarkable feat of tying light in knots has been achieved by a team of physicists working at the universities of Bristol, Glasgow and Southampton, UK, reports a paper in Nature Physics this w ...
Jan 17, 2010 |
4.8 / 5 (38) |
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Virus filters for medical diagnosis
In biomedicine and biotechnology the smallest, complex, compound sample quantities must be reliably processed. Microsystems with new mechanisms of action for pumping, filtering and separating will manage this ...
Jun 25, 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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