New Delhi’s Iron Pillar has long fascinated scientists both at home and abroad. But it wasn’t until 2003 that experts cracked the metallurgical mystery behind this unusual attraction.

This mysterious iron pillar in India has been exposed to the elements for over 1,600 years. So why hasn’t it ever rusted?

The origin of the remarkable Iron Pillar, part of the world-heritage-listed Qutub funerary complex in India’s Delhi, is lost to time.

An oft-repeated tongue-in-cheek piece of humour is, “What did India contribute to the world?” And its punchline – “Zero”! The ...

(CNN) — Can an iron structure stand tall for 1,600 years without rusting, despite being exposed to the elements? It seems implausible, considering the supposed lack of technology at the time of ...

Can an iron structure stand tall for 1,600 years without rusting, despite being exposed to the elements?

By Poonam Binayak, CNN (CNN) — Can an iron structure stand tall for 1,600 years without rusting, despite being exposed to the elements? It seems implausible, considering the supposed lack of ...

New Delhi’s Iron Pillar has long fascinated scientists both at home and abroad. But it wasn’t until 2003 that experts cracked the metallurgical mystery behind this unusual attraction.

(CNN) — Can an iron structure stand tall for 1,600 years without rusting, despite being exposed to the elements? It seems implausible, considering the supposed lack of technology at the time of ...