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Missing link in metal physics explains Earth's magnetic fiel 
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Joined: Mon Aug 30, 2010 9:56 am
Posts: 20756
Post Missing link in metal physics explains Earth's magnetic fiel
Science Daily Geology

Earth's magnetic field shields the life on our planet's surface from cosmic rays. It is generated by turbulent motions of liquid iron in Earth's core. Iron is a metal, which means it can easily conduct a flow of electrons. New findings show that a missing piece of the traditional theory explaining why metals become less conductive when they are heated was needed to complete the puzzle of this field-generating process.

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Thu Jan 29, 2015 9:21 am
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