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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.
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| Title: |
Mystery of Delhi's Iron Pillar unraveled |
| Description: |
Metallurgists at Kanpur IIT have discovered that a thin layer of " |
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India
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Heritage
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