News tagged with magnetic field

Related topics: earth , solar wind , electrons , magnetic , nasa

Superconducting magnet generates world’s highest magnetic field at 24T

A team led by Dr. Shinji Matsumoto, a Senior Researcher of the Magnet Development, Superconducting Wire Unit, National Institute for Materials Science succeeded in generating a magnetic field of 24.0T (tesla), which set a ...

Physics / General Physics

created Sep 21, 2011 | popularity 4 / 5 (1) | comments 0

Japanese scientists say giant plumes will prevent new Pangaea

(PhysOrg.com) -- For much of Earth's history, the continents have shifted around, sometimes joining with others, sometimes tearing apart to form new continents. One such shift resulted in what Earth scientists ...

Space & Earth / Earth Sciences

created Sep 20, 2011 | popularity 4.2 / 5 (6) | comments 4 | with audio podcast report

Novel magnetic material operates under extreme stress conditions

(PhysOrg.com) -- Ferromagnetic materials are key ingredients in vast arrays of technologies including wind turbines, computer hard-disks, credit card readers, and many more. Typically these magnets operate ...

Physics / Condensed Matter

created Sep 16, 2011 | popularity 5 / 5 (3) | comments 0

Look ma, no hands: Engineers invent a magnetic fluid pump with no moving parts

(PhysOrg.com) -- Used in Hollywood and the advertising industry to create exotic special effects, ferrofluids are seemingly magical materials that are both liquid and magnetic at once. In a study published ...

Physics / General Physics

created Sep 16, 2011 | popularity 5 / 5 (22) | comments 12 | with audio podcast

Neutron star blows away models for thermonuclear explosions

(PhysOrg.com) -- Amsterdam astronomers have discovered a neutron star that confounds existing models for thermonuclear explosions in such extreme objects. In the case of the accreting pulsar IGR J17480-2446, ...

Space & Earth / Astronomy

created Sep 14, 2011 | popularity 4.8 / 5 (23) | comments 74 | with audio podcast

Superconductivity: The puzzle is taking shape

By destabilizing superconductivity with a strong magnetic field, the electrons of a "high temperature" superconductor align into linear filaments. This phenomenon has been demonstrated by a team of researchers ...

Physics / Superconductivity

created Sep 13, 2011 | popularity 5 / 5 (7) | comments 4

Did intense magnetic fields form shortly after the Big Bang?

Intense magnetic fields were probably generated in the universe shortly after the Big Bang, according to an international team led by Christoph Federrath and Gilles Chabrier of the CRAL (Centre de Recherche ...

Physics / General Physics

created Sep 13, 2011 | popularity 5 / 5 (3) | comments 2

Using magnetic fields to control newly identified state of matter could enable more efficient memory devices

Scientists in Japan have shown that the properties of a recently discovered state of matter—a chiral spin liquid—can be controlled by applying a magnetic field1, a concept that could be harnessed ...

Physics / General Physics

created Sep 09, 2011 | popularity 3.7 / 5 (3) | comments 3

Innovative nanoparticle purification system uses magnetic fields

A team of Penn State University scientists has invented a new system that uses magnetism to purify hybrid nanoparticles -- structures that are composed of two or more kinds of materials in an extremely small ...

Nanotechnology / Bio & Medicine

created Sep 06, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Ultrafast substorm auroras explained (w/ video)

(PhysOrg.com) -- From time to time, sudden releases of energy in Earth's magnetosphere lead to major disturbances that result in bright auroral displays over the planet's polar regions. These auroras are caused by a phenomenon ...

Space & Earth / Astronomy

created Sep 06, 2011 | popularity 5 / 5 (1) | comments 3 | with audio podcast

Magnetic field sensors for monitoring heart and brain activity developed

High sensitivity magnetic sensors are important in medical diagnostics for applications such as monitoring heart and brain activities, where mapping distributions of localized extremely weak magnetic fields ...

Physics / General Physics

created Sep 02, 2011 | popularity 5 / 5 (1) | comments 0

An atlas of the Milky Way

Sino-German research group draws a new map at the Urumqi radio telescope and discovers two supernova remnants.

Space & Earth / Astronomy

created Aug 30, 2011 | popularity 4.6 / 5 (9) | comments 1 | with audio podcast

Los Alamos achieves world-record pulsed magnetic field, moves closer to 100-tesla mark

(PhysOrg.com) -- Researchers at the National High Magnetic Field Laboratory's Pulsed Field Facility at Los Alamos National Laboratory have set a new world record for the strongest magnetic field produced by ...

Physics / General Physics

created Aug 23, 2011 | popularity 5 / 5 (7) | comments 5 | with audio podcast

Locating the elusive: Scientists observe how material at room temperature exhibits 'multiferroic' properties

German researchers at Helmholtz-Zentrum Berlin (HZB) in close collaboration with colleagues in France and UK, have engineered a material that exhibits a rare and versatile trait in magnetism at room temperature. ...

Physics / Condensed Matter

created Aug 22, 2011 | popularity not rated yet | comments 0

New method detects emerging sunspots deep inside the sun, provides warning of dangerous solar flares

Viewed from the technological perspective of modern humans, the sun is a seething cauldron of disruptive influences that can wreak havoc on communication systems, air travel, power grids and satellites – ...

Space & Earth / Space Exploration

created Aug 18, 2011 | popularity 4.5 / 5 (4) | comments 3 | with audio podcast