Sunday 3 August 2014

THE SCIENCE OF THE ANCIENT INDIA

Iron Pillar of Delhi




Iron, the king of metal, is used for just about everything from the skeleton of your house to the chains on your bike. Unfortunately, iron can never escape its destiny to slowly transform into rust – with the exception of this phenomenal structure: meet the Iron Pillar of Delhi! Standing in at 7 meters tall and weighing more than six tons, this iron giant has managed to defeat corrosion for over 1600 years! But how can something that is 98 percent iron withstand decaying for over a millennia? Scientists have found the answer to that question, but how ancient ironsmiths discovered the fact so long before us still amazes archeologists today.

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