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Mystery of Delhi's Iron Pillar Unraveled

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Link Title: Mystery of Delhi's Iron Pillar Unraveled Open in a new window
Link URL: http://www.expressindia.com/fullstory.php?newsid=12824
Link Details: Metallurgists at Kanpur IIT have discovered that a thin layer of misawite, a compound of iron, oxygen and hydrogen, has protected the 1,600-year-old cast iron pillar from rust.
Category: Top : Science : Social_Sciences : Archaeology : Regional : Asia : India
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Mystery of Delhi's Iron Pillar Unraveled