This mysterious iron pillar in India has been exposed to the elements for over 1,600 years. So why hasn’t it ever rusted?
Scientists both in India and abroad began studying the iron pillar in Delhi in 1912 to try to figure out why it hadn’t ...
The Hindu6mon
Watch: What is unique about the iron pillar at Qutub Minar?
Scientists both in India and abroad began studying the iron pillar in Delhi in 1912 to try to figure out why it hadn’t corroded. It wasn’t until 2003 that Archeo-metallurgist R ...
PBS7y
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 ...