News tagged with magnetic field
Related topics: earth , solar wind , electrons , magnetic , nasa
Putting a new spin on computing
(PhysOrg.com) -- Physicists at the University of Arizona have achieved a breakthrough toward the development of a new breed of computing devices that can process data using less power.
Jun 21, 2011 |
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Self-assembling electronic nano-components
Magnetic storage media such as hard drives have revolutionized the handling of information: We are used to dealing with huge quantities of magnetically stored data while relying on highly sensitive electronic ...
Nanotechnology / Nanomaterials
Jun 20, 2011 |
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Messenger orbital data confirm theories, reveal surprises
On March 18, 2011, the MESSENGER spacecraft entered orbit around Mercury to become that planet's first orbiter. The spacecraft's instruments are making a complete reconnaissance of the planet's geochemistry, ...
Space & Earth / Space Exploration
Jun 16, 2011 |
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How much do binary stars shape planetary nebulae?
Planetary nebulae come in a dazzling array of shapes, from spherical shells of gas, to blobby structures barely containing symmetry at all. Controversy has surrounded the cause for this diversity. Could it ...
Jun 16, 2011 |
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Scientists prove existence of 'magnetic ropes' that cause solar storms
George Mason University scientists discovered recently that a phenomenon called a giant magnetic rope is the cause of solar storms. Confirming the existence of this formation is a key first step in helping ...
Space & Earth / Space Exploration
Jun 15, 2011 |
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New insights on how solar minimums affect Earth
(PhysOrg.com) -- Since 1611, humans have recorded the comings and goings of black spots on the sun. The number of these sunspots waxes and wanes over approximately an 11-year cycle -- more sunspots generally ...
Space & Earth / Space Exploration
Jun 14, 2011 |
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FDA clears Siemens' 2-in-1 medical scanner
(AP) -- The Food and Drug Administration says it has cleared the first medical imaging device to simultaneously perform two powerful scans used to diagnose a wide variety of diseases and ailments.
Medicine & Health / Medications
Jun 10, 2011 |
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A big surprise from the edge of the solar system: magnetic bubbles (w/ video)
(PhysOrg.com) -- NASA's Voyager probes are truly going where no one has gone before. Gliding silently toward the stars, 9 billion miles from Earth, they are beaming back news from the most distant, unexplored ...
Space & Earth / Space Exploration
Jun 09, 2011 |
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Team calculates the role of buried layers in few-layer epitaxial graphene
A CNST-led collaboration with the University of Maryland and the University of Texas has computed how electrostatic interactions between electrons in different layers of few-layer graphene affect the properties ...
Nanotechnology / Nanomaterials
Jun 08, 2011 |
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Using magnets to help prevent heart attacks
If a person's blood becomes too thick it can damage blood vessels and increase the risk of heart attacks. But a Temple University physicist has discovered that he can thin the human blood by subjecting it to a magnetic field.
Jun 07, 2011 |
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Voyager 1 measures magnetic mayhem
When Voyager 1 passed into the heliosheath in 2004, it became the first man-made object to explore the remote edge of the Sun’s magnetic influence. Launched by NASA on September 5, 1977, the probe was ...
Space & Earth / Space Exploration
Jun 01, 2011 |
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'Kinks' in tiny chains reveal Brownian rotation
(PhysOrg.com) -- Rice University researchers have created a method to measure the axial rotation of tiny rods. The technique detailed in a paper by Sibani Lisa Biswal and her colleagues appears this month ...
May 19, 2011 |
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Nuclear magnetic resonance with no magnets
Nuclear magnetic resonance (NMR) is a powerful tool for chemical analysis and, in the form of magnetic resonance imaging (MRI), an indispensable technique for medical diagnosis. But its uses have been limited ...
May 18, 2011 |
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When the speed of light depends on its direction
Light does not travel at the same speed in all directions under the effect of an electromagnetic field. Although predicted by theory, this counter-intuitive effect has for the first time been demonstrated ...
May 13, 2011 |
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Detecting wandering worlds that host life
Some planets that roam the galaxy without a star to call home still may be able to host life. Finding such rogue planets is difficult, but new research suggests these wandering worlds could be detected by ...
May 12, 2011 |
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