News tagged with magnetic sensors
Scientists map volcanic plume under Yellowstone
Scientists using electric and magnetic sensors have mapped the size and composition of a vast plume of hot rock and briny fluid down to 200 miles below Yellowstone National Park's surface, according to a new ...
Space & Earth / Earth Sciences
Apr 15, 2011 |
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Researchers use spin waves to measure magnetic polarization of electrical current
In the hard drive industry, the rapid growth of storage density has been propelled in part by developments in the sensors used to read the magnetic "bits" on the disk. Recently, the use of giant magnetoresistance (GMR) in ...
Mar 08, 2011 |
4.3 / 5 (3) |
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Handheld nanoLAB detects disease proteins in minutes
In 2009, Stanford University faculty member Shan Wang and doctoral students Richard Gaster and Drew Hall demonstrated that they could use the same ultrasensitive magnetic sensors that form the basis of today's compact, high-capacity ...
Nanotechnology / Bio & Medicine
Feb 23, 2011 |
5 / 5 (1) |
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Researchers control conduction, surface states in topological insulator nanoribbons
In recent years, topological insulators have become one of the hottest topics in physics. These new materials act as both insulators and conductors, with their interior preventing the flow of electrical currents while their ...
Feb 14, 2011 |
4.7 / 5 (3) |
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Delving into manganite conductivity
(PhysOrg.com) -- Chemical compounds called manganites have been studied for many years since the discovery of colossal magnetoresistance, a property that promises important applications in the fields of magnetic ...
Feb 09, 2011 |
4.6 / 5 (8) |
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Self-assembly and chains of rotating magnetic particles
Dr. Park and colleagues report on a new biosensing protocol based on monitoring changes in optical transmittance of a solution containing self-assembled chains of functionalized magnetic beads being rotated ...
Nanotechnology / Bio & Medicine
Oct 26, 2010 |
5 / 5 (1) |
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New mini-sensor traces faint magnetic signature of human heartbeat
Researchers from the National Institute of Standards and Technology (NIST) and the German national metrology institute have used NIST's miniature atom-based magnetic sensor to successfully track a human heartbeat, ...
Oct 14, 2010 |
4.6 / 5 (8) |
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Researchers 'stretch' a lackluster material into a possible electronics revolution
It's the Clark Kent of oxide compounds, and - on its own - it is pretty boring. But slice europium titanate nanometers thin and physically stretch it, and then it takes on super hero-like properties that could ...
Aug 18, 2010 |
4.7 / 5 (24) |
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The nano world of Shrinky Dinks
The magical world of Shrinky Dinks -- an arts and crafts material used by children since the 1970s -- has taken up residence in a Northwestern University laboratory. A team of nanoscientists is using the flexible plastic ...
Aug 13, 2010 |
4.8 / 5 (4) |
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Nanodots Breakthrough May Lead To 'A Library On One Chip'
A researcher at North Carolina State University has developed a computer chip that can store an unprecedented amount of data - enough to hold an entire library's worth of information on a single chip. The new chip stems from ...
Apr 28, 2010 |
4.8 / 5 (20) |
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Record measurement of extremely small magnetic fields
Researchers at the research center QUANTOP at the Niels Bohr Institute at the University of Copenhagen (Denmark) have constructed an atomic magnetometer, which has achieved the highest sensitivity allowed ...
Apr 12, 2010 |
4.7 / 5 (13) |
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Researchers suggest new memory storage mineral
(PhysOrg.com) -- Researcher Derek Stewart says the mineral kotoite could be an ideal insulator for memory storage devices called magnetic tunnel junctions.
Nanotechnology / Nanomaterials
Jan 21, 2010 |
4.1 / 5 (16) |
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Magnetic field measurements of the human heart at room temperature
A new optical sensor developed by the American National Institute of Standards and Technology was successfully tested by the Physikalisch-Technische Bundesanstalt (Germany) in the "magnetically best shielded ...
Dec 11, 2009 |
5 / 5 (1) |
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Birds 'See' Earth's Magnetic Field
When birds migrate over long distances -- sometimes thousands of miles -- they usually end up in exactly the same place year after year. Such accurate feats of navigation, accomplished by millions of birds ...
Nov 16, 2009 |
4.4 / 5 (9) |
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Magnetic mixing creates quite a stir (w/ Video)
Sandia researchers have developed a process that can mix tiny volumes of liquid, even in complicated spaces.
Oct 27, 2009 |
4.9 / 5 (7) |
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