News tagged with iron plates
Plate tectonics may control reversals in the Earth's magnetic field
The Earth's magnetic field has reversed many times at an irregular rate throughout its history. Long periods without reversal have been interspersed with eras of frequent reversals. What is the reason for these reversals ...
Space & Earth / Earth Sciences
Oct 24, 2011 |
4 / 5 (1) |
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Earth's inner core is melting... and freezing
The inner core of the Earth is simultaneously melting and freezing due to circulation of heat in the overlying rocky mantle, according to new research from the University of Leeds, UC San Diego and the Indian ...
Space & Earth / Earth Sciences
May 18, 2011 |
4.6 / 5 (13) |
10
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The Earth's hidden weakness
(PhysOrg.com) -- Three thousand kilometres beneath our feet, the Earth's solid rock gives way to the swirling liquid iron of the outer core.
Space & Earth / Earth Sciences
May 28, 2010 |
4.3 / 5 (15) |
2
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Earthquake waves: How do they spread?
Propagation of earthquake waves within the Earth is not uniform. Experiments indicate that the velocity of shear waves (s-waves) in Earth’s lower mantle between 660 and 2900 km depth is strongly dependent on the orientation ...
Space & Earth / Earth Sciences
Apr 13, 2009 |
3.7 / 5 (3) |
0
Scientists develop new approach to mine disasters
(PhysOrg.com) -- University of Utah scientists devised a new way to find miners trapped by cave-ins. The method involves installing iron plates and sledgehammers at regular intervals inside mines, and sensitive ...
Space & Earth / Earth Sciences
Mar 26, 2009 |
1 / 5 (3) |
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