Become a paid member to listen to this article Courtesy of Village Preservation The first spot on our list has to go to 801-807 Broadway, known as “The Cast Iron Building.” John Kellum, the architect ...

Copper smelters from 3,000 years ago may have experimented with materials just enough to launch the Iron Age. The Bronze Age gave way to the Iron Age as the refining process of iron was discovered.

Learn how mapping the Ring Nebula’s light revealed a massive iron bar hidden for decades.

Lancaster architect C. Emlen Urban was a proponent of wrought iron being used as an “art form,” and used it on his public and private buildings. Decorative uses of wrought iron include hand-wrought ...

PRECIOUS METALS currently are the basis of catalysts that are well understood by chemists and widely used in labs, industrial processes, and automobile catalytic converters. But the metals—such as ...

Here’s what you’ll learn when you read this story: Copper smelters from 3,000 years ago may have experimented with materials just enough to launch the Iron Age. The Bronze Age gave way to the Iron Age ...