News tagged with magnetic currents


Spin Seebeck Effect

New spintronics effect could lead to magnetic batteries

Physics / General Physics

created Oct 10, 2008 | popularity 4.6 / 5 (88) | comments 10 weblog

(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" ...





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Common mechanism underlies many diseases of excitability

Medicine & Health / Research

created Dec 28, 2009 | popularity 5 / 5 (1) | comments 0

Inherited mutations in voltage-gated sodium channels (Navs) are associated with many different human diseases, including genetic forms of epilepsy and chronic pain. Theodore Cummins and colleagues, at Indiana University School ...


Highlight: Chloride increases response to pheromones and odors in mouse sensory neurons

Medicine & Health / Neuroscience

created Dec 28, 2009 | popularity not rated yet | comments 0

The vomeronasal organ (VNO) is an odor detection system that mediates many pheromone-sensitive behaviors. Vomeronasal sensory neurons (VSNs), located in the VNO, are the initial site of interaction with odors and pheromones. ...


As the World Churns

As the World Churns

Space & Earth / Earth Sciences

created Dec 28, 2009 | popularity 4.4 / 5 (15) | comments 26

(PhysOrg.com) -- "Terra firma." It's Latin for "solid Earth." Most of the time, at least from our perspective here on the ground, Earth seems to be just that: solid. Yet the Earth beneath our feet is actually ...


Voyager makes an interstellar discovery

Voyager makes an interstellar discovery

Space & Earth / Space Exploration

created Dec 26, 2009 | popularity 4.7 / 5 (61) | comments 24

The solar system is passing through an interstellar cloud that physics says should not exist. In the Dec. 24th issue of Nature, a team of scientists reveal how NASA's Voyager spacecraft have solved the mystery.


As shuttle's career nears an end, NASA turns focus to satellites

Space & Earth / Space Exploration

created Dec 26, 2009 | popularity 4.4 / 5 (8) | comments 2

NASA heads into 2010 with the bittersweet assignment of retiring the space shuttle after nearly three decades. But that's not all the agency has planned: There are also launches of three new satellites aimed at better understanding ...


Tiny nano-electromagnets turn a cloak of invisibility into a possibility

Physics / General Physics

created Dec 22, 2009 | popularity 4.6 / 5 (15) | comments 9

A team of researchers at the FOM institute AMOLF (The Netherlands) has succeeded for the first time in powering an energy transfer between nano-electromagnets with the magnetic field of light.


Could acetaminophen ease psychological pain?

Medicine & Health / Psychology & Psychiatry

created Dec 22, 2009 | popularity 4 / 5 (6) | comments 1

Headaches and heartaches. Broken bones and broken spirits. Hurting bodies and hurt feelings. We often use the same words to describe physical and mental pain. Over-the-counter pain relieving drugs have long been used to alleviate ...


Marohn describes breakthrough imaging technology

Researchers are on the path to creating nano-MRI images

Physics / General Physics

created Dec 22, 2009 | popularity 4.7 / 5 (6) | comments 1

(PhysOrg.com) -- Cornell researchers are devising methods to detect the magnetic fields of individual electrons and atomic nuclei, which they hope to use to make a nanoscale version of magnetic resonance imaging.


Depression saps endurance of the brain's reward circuitry

Medicine & Health / Neuroscience

created Dec 21, 2009 | popularity 4.5 / 5 (6) | comments 1

A new study at the University of Wisconsin-Madison suggests that depressed patients are unable to sustain activity in brain areas related to positive emotion.


Dental delight! Tooth of sea urchin shows formation of biominerals

Dental delight! Tooth of sea urchin shows formation of biominerals

Chemistry / Materials Science

created Dec 21, 2009 | popularity 5 / 5 (4) | comments 0

(PhysOrg.com) -- Some of the most common minerals in biology, including those in bones and shells, have a mysterious structure: Their crystals are positioned in the same orientation, making them behave as ...



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