BBC News - Metal undergoes novel transition under extreme pressure:
'via Blog this'
Under extreme pressures and temperatures, one of the main metals of the Earth's interior has exhibited a never-before-seen transition.
Iron oxide was subjected to conditions similar to those at the depth where the Earth's innermost two layers meet.
At 1,650C and 690,000 times sea-level pressure, the metal changed the degree to which it conducted electricity.
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