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A Super Mix Inside Neutron Stars

18 July 2008
The mixture of a superconductor and a superfluid--as may occur inside a neutron star--could respond to the star's magnetic field in ways never seen in earthly superconductors, according to a new theory. The strange material doesn't fit into the two standard superconducting categories.
article link PRB (July 2008)
article link videos
flux tube droplets

Hearing the Highest Pitches

14 July 2008
Two research groups show how to detect sound waves that have wavelengths as short as the spacing between atoms in a solid and frequencies in the terahertz range.
article link PRL (4 July 2008)
article link PRL (11 July 2008)
laser hitting aluminum

Spin Control

1 July 2008
A new system can smoothly guide a pendulum from stable to unstable motion and find the border between the two states. Similar set-ups might someday improve testing of auto or airplane parts.
article link PRL (20 June 2008)
article link videos
stable and unstable pendulum
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Click on APS Article to see the research paper described in the story.