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Tuesday, 16 July 2013
Monday, 15 July 2013
Space Station Illuminates Dusty Plasmas for a Wide Range of Research
One of the most frequently-used physics laboratories on the International Space Station recently completed its final set of experiments. The Plasma Kristall Experiment (PK-3 Plus) lab, a Russian-German cooperation in operation since January 2006, has provided new insight into an unusual type of matter called plasma crystals. Though the experiment runs came to a close on June 14, the research continues to open an exciting world of potential technological spin-offs in medicine, agriculture and general science.
(Side view of a plasma crystal in the laboratory. Dust particles are suspended in an argon plasma above a high-frequency electrode (bottom). The horizontal field of view is 2 cm. (Credit: Max Planck Institute for Extraterrestrial Physics))
The unique environment of microgravity allows physicists to study how these crystals form inside dusty plasmas--a type of matter with unique properties found everywhere--in ways not possible on Earth.
Sunday, 14 July 2013
Imaging Electron Pairing in a Simple Magnetic Superconductor
In the search for
understanding how some magnetic materials can be transformed to carry electric
current with no energy loss, scientists at the U.S. Department of Energy's
Brookhaven National Laboratory, Cornell University, and collaborators have made
an important advance: Using an experimental technique they developed to measure
the energy required for electrons to pair up and how that energy varies with
direction,
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