News tagged with electric currents
New spintronics effect could lead to magnetic batteries
Oct 10, 2008 |
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(PhysOrg.com) -- Physicists have recently discovered that heating one side of a magnetized nickel-iron rod causes electrons to rearrange themselves according to their spins. This so-called "spin Seebeck effect" ...
How space eruptions happen
Apr 07, 2009 |
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(PhysOrg.com) -- Mathematicians at the University of St Andrews have made a discovery which could lead to a better understanding of why huge eruptions occur in space.
New testing facility helps researchers improve land mine detection equipment
May 13, 2009 |
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Researchers at the Georgia Institute of Technology have built a test facility to evaluate and enhance sensors designed to detect buried land mines. The unique automated system measures the response of individual ...
NSF awards grant to track 'space weather' in Earth's near-space environment
Space & Earth / Earth Sciences
Jul 21, 2008 |
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Global and real-time "space weather" observations of near-Earth space--and the solar storms that can knock out electric power grids--is about to happen for the first time, thanks to funding from the National ...
Search results for electric currents
Study of 'Persistent Currents' Finally Verifies Theory
Apr 28, 2009 |
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(PhysOrg.com) -- Approximately 20 years ago, scientists discovered that is is possible for an electric current to flow endlessly in a ring made of a normal metal. One might think that such an 'old' finding ...
Taiwan, China may develop electric cars together
Nov 16, 2009 |
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Taiwan and China are looking into developing electric cars together and will hold a conference here next week to seek areas where they can cooperate, a Taipei official said Monday.
Tesla unveils groundbreaking electric car
Mar 26, 2009 |
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US automaker Tesla Motors unveiled Thursday its state-of-the-art five-seat sedan, billed as the world's first mass-produced, highway-capable electric car.
Carbon nanotube avalanche process nearly doubles current
Feb 09, 2009 |
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(PhysOrg.com) -- By pushing carbon nanotubes close to their breaking point, researchers at the University of Illinois have demonstrated a remarkable increase in the current-carrying capacity of the nanotubes, ...
Visualizing atomic-scale acoustic wavesin nanostructures
Jul 03, 2008 |
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Acoustic waves play many everyday roles - from communication between people to ultrasound imaging. Now the highest frequency acoustic waves in materials, with nearly atomic-scale wavelengths, promise to be ...
'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.
Multiferroic compounds used to produce smaller and cheaper digital memories
Nov 27, 2009 |
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(PhysOrg.com) -- Is it possible to make even more compact digital memories for portable electronic devices and which consume even less energy? A team of French researchers has recently demonstrated that it ...
Ames lab physicist develops 'electrifying' theory on superconducting fault-current limiters
Aug 16, 2008 |
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(PhysOrg.com) -- John R. Clem, a physicist at the U.S. Department of Energy's Ames Laboratory, has developed a theory that will help build future superconducting alternating-current fault-current limiters ...
Severe Space Weather
Space & Earth / Space Exploration
Jan 22, 2009 |
4 / 5 (4) |
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Did you know a solar flare can make your toilet stop working?
Electric cars need government support: Nissan-Renault CEO
Nov 12, 2009 |
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Electric cars could help China and other countries reduce their dependency on oil but the government must provide incentive to make the shift, Nissan and Renault CEO Carlos Ghosn said Thursday.
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