Understanding ancient geomagnetic reversal
Imagine one day you woke up, and the North Pole was suddenly the South Pole.
Earth Sciences
Dec 22, 2014
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Page 7 - News tagged with geomagnetic fields
Dolphins are attracted to magnets
Dolphins are indeed sensitive to magnetic stimuli, as they behave differently when swimming near magnetized objects. So says Dorothee Kremers and her colleagues at Ethos unit of the Université de Rennes in France, in a study ...
Plants & Animals
Sep 29, 2014
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Scientists take key step toward solving a major astrophysical mystery
Magnetic reconnection can trigger geomagnetic storms that disrupt cell phone service, damage satellites and black out power grids. But how reconnection, in which the magnetic field lines in plasma snap apart and violently ...
Space Exploration
Sep 10, 2014
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How the sun caused an aurora this week
On the evening of Aug. 20, 2014, the International Space Station was flying past North America when it flew over the dazzling, green blue lights of an aurora. On board, astronaut Reid Wiseman captured this image of the aurora, ...
Space Exploration
Aug 22, 2014
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Electromagnetic disaster could cost trillions and affect millions. We need to be prepared
Predicting or worrying about disasters is a popular pastime. But we tend to take notice when somebody with money at stake becomes concerned.
Other
Aug 11, 2014
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Scientists identify a plasma plume that naturally protects the Earth against solar storms
The Earth's magnetic field, or magnetosphere, stretches from the planet's core out into space, where it meets the solar wind, a stream of charged particles emitted by the sun. For the most part, the magnetosphere acts as ...
Space Exploration
Mar 6, 2014
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Satellite's magnetic mapping mission
A scientist from the University of Liverpool will play a leading role in the European Space Agency's (ESA) satellite mission to study the Earth's geomagnetic field.
Space Exploration
Dec 12, 2013
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ESA launches Swarm research satellites in Russia (Update)
The European Space Agency (ESA) on Friday launched a trio of hi-tech satellites on an unprecedented mission to map anomalies in Earth's magnetic field.
Space Exploration
Nov 22, 2013
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The sun also flips: 11-year solar cycle wimpy, but peaking
(Phys.org) —In a 3-meter diameter hollow aluminum sphere, Cary Forest, a UW-Madison physics professor, is stirring and heating plasmas to 500,000 degrees Fahrenheit to experimentally mimic the magnetic field-inducing cosmic ...
Space Exploration
Oct 17, 2013
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New insights solve 300-year-old problem: The dynamics of the Earth's core
Scientists at the University of Leeds have solved a 300-year-old riddle about which direction the centre of the earth spins.
Earth Sciences
Sep 16, 2013
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