How a 40-ton grain elevator crossed over the Rapidan Dam
Spotify RAPIDAN, MINN. – Imagine a six-story building, perched precariously, inching its way across a narrow bridge, a churning river below. In 1949, that’s exactly what happened at the Rapidan Dam ...
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An Elevator for 3,000-Ton Ships, Thanks to Archimedes
The Three Gorges Dam, China’s marvel on the Yangtze River, is one of the world’s largest engineering projects—the product of 37 million cubic yards of concrete. Its final feature ...