engineering

Spiritualism and Suspension Bridges: John Roebling and a Biographer's Sympathy for the Weird 19th Century

by Richard Haw

A biographer of Brooklyn Bridge designer John Roebling expected to write about a genius. He also ended up writing about a complete weirdo, and how one man could be both.

Forbidden City builders chose ice sledge over wheels

Chinese engineers used an ice road to drag stones to build the Forbidden City.