News tagged with magnetic signature
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Search results for magnetic signature
Gene that magnetically labels cells shows potential as imaging tool
Jun 03, 2008 |
5 / 5 (3) |
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Mammalian cells can produce tiny magnetic nuggets after the introduction of a single gene from bacteria, scientists have found. The gene MagA could become a valuable tool for tracking cells' movement through the body via ...
Upping the power triggers an ordered helical plasma
Nov 02, 2009 |
4.9 / 5 (7) |
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If you keep twisting a straight elastic string, at some moment it starts kinking in a wild way. Something similar occurs when one increases the electrical current flowing in a magnetized plasma doughnut: it ...
Magnetic monopoles detected in a real magnet for the first time
Sep 03, 2009 |
4.6 / 5 (48) |
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Researchers from the Helmholtz Centre Berlin, in cooperation with colleagues from Dresden, St. Andrews, La Plata and Oxford, have for the first time observed magnetic monopoles and how they emerge in a real ...
No place like home: New theory for how salmon, sea turtles find their birthplace
Biology /
Dec 01, 2008 |
4.2 / 5 (22) |
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How marine animals find their way back to their birthplace to reproduce after migrating across thousands of miles of open ocean has mystified scientists for more than a century. But marine biologists at the University of ...
ONR demonstrates new counter-mine technology for ships
Apr 19, 2009 |
5 / 5 (1) |
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In a time of increasing irregular warfare threats, the Navy has devised and successfully demonstrated a revolutionary technology to help reduce the risk of naval mine strikes to U.S. Navy ships.
Early scents really do get 'etched' in the brain
Medicine & Health / Neuroscience
Nov 05, 2009 |
3 / 5 (2) |
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Common experience tells us that particular scents of childhood can leave quite an impression, for better or for worse. Now, researchers reporting the results of a brain imaging study online on November 5th ...
What makes Mars magnetic?
Aug 10, 2007 |
4.5 / 5 (24) |
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So how have these rocks hung onto their magnetic directions and what do they tell us about Mars? Strangely, the answer to these questions might be sitting here on Earth.
Physicists Propose a Method to Observe Dirac Monopoles
Jul 28, 2009 |
4.6 / 5 (18) |
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(PhysOrg.com) -- For decades, scientists have been intrigued by the hypothetical existence of magnetic monopoles - particles with only a north or south magnetic pole, thus having a nonzero magnetic charge. ...
Where did Venus's water go?
Space & Earth / Space Exploration
Dec 18, 2008 |
4.2 / 5 (5) |
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(PhysOrg.com) -- Venus Express has made the first detection of an atmospheric loss process on Venus's day-side. Last year, the spacecraft revealed that most of the lost atmosphere escapes from the night-side. ...
Twinkling Nanostars Improve Optical Imaging of Tumors
Nanotechnology / Bio & Medicine
Sep 25, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Researchers at Purdue University have created magnetically responsive gold nanostars that may offer a new approach to biomedical imaging. The nanostars gyrate when exposed to a rotating magnetic field and ...
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