News tagged with electromagnetism
Students demonstrate flux pinning in low gravity
Oct 27, 2009 |
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(PhysOrg.com) -- A team of Cornell researchers recently tested their work on the mysterious physical phenomenon of flux pinning aboard a near-zero gravity aircraft.
Ytterbium's broken symmetry: The largest parity violations ever measured in an atom
Jul 22, 2009 |
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Ytterbium was discovered in 1878, but until it recently became useful in atomic clocks, the soft metal rarely made the news. Now ytterbium has a new claim to scientific fame. Measurements with ytterbium-174, ...
Nanophysicists find unexpected magnetic effect: Kondo effect noted in single-atom contacts of pure ferromagnets
Apr 29, 2009 |
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Spanish and U.S. physicists studying nanoelectronics have found that size really does matter when it comes to predicting the behavior of electrical contacts that are just one atom wide.
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Proving an aspect of the AB effect: when Newton's Third Law doesn't work
Dec 04, 2007 |
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An action doesn’t always result in a reaction.
Exploring the standard model of physics without the high-energy collider
Aug 10, 2009 |
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Scientists at the University of California, Berkeley, and Lawrence Berkeley National Laboratory in the US, have performed sophisticated laser measurements to detect the subtle effects of one of nature's most ...
'Magnetricity' observed and measured for the first time
Oct 15, 2009 |
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(PhysOrg.com) -- A magnetic charge can behave and interact just like an electric charge in some materials, according to new research led by the London Centre for Nanotechnology.
Research overturns accepted notion of neutron's electrical properties
Sep 17, 2007 |
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For two generations of physicists, it has been a standard belief that the neutron, an electrically neutral elementary particle and a primary component of an atom, actually carries a positive charge at its center and an offsetting ...
Gamma-ray photon race ends in dead heat; Einstein wins this round
Oct 28, 2009 |
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Racing across the universe for the last 7.3 billion years, two gamma-ray photons arrived at NASA's orbiting Fermi Gamma-ray Space Telescope within nine-tenths of a second of one another. The dead-heat finish ...
Scientists propose test of string theory based on neutral hydrogen absorption
Jan 28, 2008 |
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Ancient light absorbed by neutral hydrogen atoms could be used to test certain predictions of string theory, say cosmologists at the University of Illinois. Making the measurements, however, would require a gigantic array ...
Physicists create BlackMax to search for dimensions in space at the Large Hadron Collider
Nov 07, 2008 |
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A team of theoretical and experimental physicists, with participants from Case Western Reserve University, have designed a new black hole simulator called BlackMax to search for evidence that extra dimensions might exist ...
Atomic Coilgun Halts Supersonic Beams
Mar 17, 2008 |
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By magnetically pulsing a sequence of 64 copper coils in an “atomic coilgun,” scientists have succeeded in stopping a supersonic neon beam in its tracks in just microseconds.
Physicists Develop Test for 'String Theory'
Jan 23, 2007 |
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For decades, scientists have taken issue with “string theory”—a theory of the universe which contends that the fundamental forces and matter of nature can be reduced to tiny one-dimensional filaments called strings—because ...
Super-cool work could expose quantum behavior
Apr 05, 2007 |
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Using a laser-cooling technique that could one day allow scientists to observe quantum behavior in large objects, MIT researchers have cooled a coin-sized object to within one degree of absolute zero.
List of search results for electromagnetism
