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News tagged with vortices

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 ...

Physics / General Physics

created Jan 17, 2010 | popularity 4.8 / 5 (38) | comments 4 | with audio podcast

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.

Physics / General Physics

created May 05, 2009 | popularity 4.3 / 5 (10) | comments 3

Research on neutrinos allows the discovery of vortices in the abysses of the eastern Mediterranean

An INFN research project on neutrinos has made it possible to observe for the first time the presence of chains of marine vortices in the Mediterranean at depths of more than 3000 meters, large water structures of diameters ...

Space & Earth / Earth Sciences

created May 16, 2012 | popularity 4.9 / 5 (8) | comments 0

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?

Physics / General Physics

created Nov 21, 2010 | popularity 4.7 / 5 (7) | comments 1 | with audio podcast

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 ...

Physics / Quantum Physics

created Jun 23, 2011 | popularity 5 / 5 (6) | comments 1 | with audio podcast

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 ...

Physics / General Physics

created Aug 26, 2011 | popularity 5 / 5 (4) | comments 0

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 ...

Physics / General Physics

created Dec 17, 2010 | popularity 4.3 / 5 (4) | comments 3

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 ...

Physics / Condensed Matter

created Mar 14, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Hot invention cools down environment: Environmentally-friendly heat exchanger produced

The current global energy crisis means that sustainability now supplants necessity as the mother of all invention. Concordia University's Georgios Vatistas, professor in the Department of Mechanical and Industrial Engineering, ...

Technology / Engineering

created Feb 15, 2012 | popularity 5 / 5 (2) | comments 0

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

created Feb 10, 2012 | popularity 3 / 5 (1) | comments 0