News tagged with magnetic sensors

Magnetic sensors can measure distances between vehicles

(PhysOrg.com) -- Every vehicle has a magnetic field, and researchers have now found that a vehicle’s magnetic field has an inverse relationship with distance at small distances. The relationship provides ...

Physics / General Physics

created Oct 18, 2011 | popularity 4.8 / 5 (13) | comments 8 | with audio podcast feature

An unlikely route to ferroelectricity

(Phys.org) -- Ferroelectricity, which was first observed in the 1940s, is an interesting phenomenon involving the spontaneous (non-induced) formation of charge polarization (separation of charge) in certain ...

Physics / Condensed Matter

created May 18, 2012 | popularity 4.3 / 5 (4) | comments 7 | with audio podcast

Pocket chemistry: DNA helps glucose meters measure more than sugar

Glucose meters aren't just for diabetics anymore. Thanks to University of Illinois chemists, they can be used as simple, portable, inexpensive meters for a number of target molecules in blood, serum, water ...

Chemistry / Biochemistry

created Jul 24, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

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 ...

Nanotechnology / Nanophysics

created Feb 14, 2011 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

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 ...

Physics / Condensed Matter

created Aug 18, 2010 | popularity 4.7 / 5 (24) | comments 3 | with audio podcast

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 ...

Nanotechnology / Nanophysics

created Apr 28, 2010 | popularity 4.8 / 5 (20) | comments 11 | with audio podcast

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

created Jan 21, 2010 | popularity 4.1 / 5 (16) | comments 0 | with audio podcast

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.

Physics / General Physics

created Oct 27, 2009 | popularity 4.9 / 5 (7) | comments 2

Graphite mimics iron's magnetism

Researchers of Eindhoven University of Technology and the Radboud University Nijmegen in The Netherlands show for the first time why ordinary graphite is a permanent magnet at room temperature. The results ...

Nanotechnology / Nanophysics

created Oct 04, 2009 | popularity 4.6 / 5 (17) | comments 1

French physicists claim breakthrough in ultra-fast data access

French physicists said on Sunday they had used ultra-fast lasers that could accelerate storage and retrieval of data on hard discs by up to 100,000 times, pointing the way to a new generation of IT wizardry.

Physics / General Physics

created May 31, 2009 | popularity 4.4 / 5 (32) | comments 16

Researchers set alarm for incoming space storms

(PhysOrg.com) -- A team of researchers at the University of Alberta in Edmonton has broken new ground in outer space by pinpointing the impact epicentre of an Earthbound space storm as it crashes into the ...

Space & Earth / Space Exploration

created May 27, 2009 | popularity 4.4 / 5 (10) | comments 0

Quantum cat's 'whiskers' offer advanced sensors

(PhysOrg.com) -- A team led by Oxford University scientists has turned one of the key problems with quantum entangled systems - that they are easily ‘disturbed’ by their environment - into an advantage which ...

Physics / Quantum Physics

created Apr 24, 2009 | popularity 4.3 / 5 (11) | comments 11

Mini-sensor measures magnetic activity in human brain

A miniature atom-based magnetic sensor developed by the National Institute of Standards and Technology (NIST) has passed an important research milestone by successfully measuring human brain activity. Experiments ...

Technology / Semiconductors

created Apr 19, 2012 | popularity 4.9 / 5 (9) | comments 3 | with audio podcast

Electrical circuits talk to single atoms

(PhysOrg.com) -- If a practical quantum computer is ever to be realized, conventional electronic devices will have to interface with the delicate quantum systems such as atoms or ions in traps or wisps of ...

Physics / Quantum Physics

created Mar 06, 2012 | popularity 5 / 5 (4) | comments 2 | with audio podcast

Tongue drive system goes inside the mouth to improve performance and user comfort

The Tongue Drive System is getting less conspicuous and more capable. Tongue Drive is a wireless device that enables people with high-level spinal cord injuries to operate a computer and maneuver an electrically ...

Technology / Engineering

created Feb 20, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast