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- TIL wootz steel, one of the hardest steel made in india in 6th century BC https://en.wikipedia.org/wiki/wootz_steel 65 comments india
- TIL about Wootz and Damascus steel swords which contains the first examples of man-made carbon nano-tubes in human history, discovered around 300 B.C in India. http://en.wikipedia.org/wiki/wootz_steel 19 comments india
- Historians on /r/India, I need your help. http://en.wikipedia.org/wiki/Wootz_steel 17 comments india
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