Iron Pillar of Delhi
The Incredible Rust-Resistant Iron Pillar of New Delhi, a UNESCO World Heritage site. This ancient pillar made of iron during King Chandra Gupta Empire in 400CE is still rust free. We have made several videos giving introduction, history, and then technical perspectives covering the chemistry and process making. Included is also: (1) an interview with Dr. Bal Ram Singh, formerly Chemistry professor, and Director of Indic Center at University of Massachusetts, Dartmouth, and (2) an interview with Mr. Sahil Ahuja, an expert on many of the monuments and world heritage sites in India.