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This mysterious iron pillar in India has been exposed to the elements for over 1,600 years. So why hasn’t it ever rusted?
They found that the pillar, primarily made of wrought iron, has a high phosphorus content (about 1%), and lacks sulfur and magnesium, unlike modern iron. Additionally, ancient craftsmen used a ...
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Episode 4: Ages of Gold
They mastered the world's first large scale wrought iron technology—the Delhi iron pillar, and their courtly culture was the setting the world's first sex manual, the Kama Sutra. Meanwhile in ...
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Chandrayaan-3 To Iron Pillar That’s Rust-Free For 1,600 Years & Counting: 10 Of India’s Top Science Feats
They found that the pillar, primarily made of wrought iron, has a high phosphorus content (about 1%), and lacks sulphur and magnesium, unlike modern iron. Additionally, ancient craftsmen used a ...