Category Archives: Earth Magnetism

when North goes South

Posted on April 14, 2008 by Rashid Faridi

The magnetic force surrounding a magnet is not uniform. There exists a great concentration of force at each end of the magnet and a very weak force at the center. Proof of this fact can be obtained by dipping a … Continue reading →

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Inconstant Magnetic Field of Earth

Posted on March 8, 2008 by Rashid Faridi

Every few years, scientist Larry Newitt of the Geological Survey of Canada goes hunting. He grabs his gloves, parka, a fancy compass, hops on a plane and flies out over the Canadian arctic. Not much stirs among the scattered islands … Continue reading →

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Origin of The Earth’s Magnetism

Posted on March 8, 2008 by Rashid Faridi

“Diurnal motion is due to causes which have now to be sought, arising from magnetick vigour and from the confederated bodies.” Blackett’s Proposal It is an uncanny fact that the Earth’s magnetic axis is close to its rotation axis–that the … Continue reading →

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Why Does Earth’s Magnetic Field Flip?

Posted on February 26, 2008 by Rashid Faridi

Earth’s magnetic field has flipped many times over the last billion years, according to the geologic record. But only in the past decade have scientists developed and evolved a computer model to demonstrate how these reversals occur. “We can see … Continue reading →

Posted in earth, Earth Magnetism, Uncategorized | 3 Comments