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 ...

He knows that if you try to forge wrought iron at too low a temperature, it develops cracks and splits. Could you do this on purpose, and then fill these cracks with bronze? It would be quite the ...

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 ...