News tagged with external magnetic fields
Magnetic nano-'shepherds' organize cells
Nanotechnology / Bio & Medicine
Mar 31, 2009 |
5 / 5 (1) |
0
The power of magnetism may address a major problem facing bioengineers as they try to create new tissue -- getting human cells to not only form structures, but to stimulate the growth of blood vessels to nourish ...
Search results for external magnetic fields
Shape matters in the case of cobalt nanoparticles
Nanotechnology / Nanomaterials
Jun 17, 2009 |
not rated yet |
0
Shape is turning out to be a particularly important feature of some commercially important nanoparticles—but in subtle ways. New studies* by scientists at the National Institute for Standards and Technology ...
3-D Imaging -- First Insights Into Magnetic Fields
Mar 30, 2008 |
4.6 / 5 (47) |
4
3-D images are not only useful in medicine; the observation of internal structures is also invaluable in many other fields of scientific investigation. Recently, researchers from the Hahn-Meitner-Institute ...
Spin-polarized electrons on demand
Jan 21, 2009 |
4.7 / 5 (3) |
0
Many hopes are pinned on spintronics. In the future it could replace electronics, which in the race to produce increasingly rapid computer components, must at sometime reach its limits. Different from electronics, where whole ...
Magnetic fields play larger role in star formation than previously thought
Sep 09, 2009 |
4.4 / 5 (14) |
12
The simple picture of star formation calls for giant clouds of gas and dust to collapse inward due to gravity, growing denser and hotter until igniting nuclear fusion. In reality, forces other than gravity also influence ...
Spin-polarized electrons on demand
Jan 15, 2009 |
4.6 / 5 (14) |
2
Many hopes are pinned on spintronics. In the future it could replace electronics, which in the race to produce increasingly rapid computer components, must at sometime reach its limits. Different from electronics, where whole ...
Researchers create 'synthetic magnetic fields' for neutral atoms
Dec 02, 2009 |
4.9 / 5 (15) |
2
(PhysOrg.com) -- Achieving an important new capability in ultracold atomic gases, researchers at the Joint Quantum Institute, a collaboration of the National Institute of Standards and Technology and the University ...
Upping the power triggers an ordered helical plasma
Nov 02, 2009 |
4.9 / 5 (7) |
0
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 ...
With stimulus aid, scientists hope to mimic nature's dynamos
Space & Earth / Earth Sciences
Oct 09, 2009 |
4.5 / 5 (4) |
0
(PhysOrg.com) -- In the cosmos, all celestial objects - planets, stars, galaxies and clusters of galaxies - have magnetic fields. On Earth, the magnetic field of our home planet is most easily observed in a compass where ...
New polymer that changes color instantly in response to external magnetic field (w/Video)
Jun 16, 2009 |
4.9 / 5 (19) |
2
A research team led by a chemist at the University of California, Riverside has fabricated microscopic polymer beads that change color instantly and reversibly when external magnetic fields acting upon the microspheres change ...
Taking the Stress Out of Magnetic Field Detection
Jan 28, 2009 |
3.8 / 5 (4) |
1
(PhysOrg.com) -- Researchers at the National Institute of Standards and Technology have discovered that a carefully built magnetic sandwich that interleaves layers of a magnetic alloy with a few nanometers ...
List of search results for external magnetic fields
