Ships of Stone: Concrete Shipbuilding from the World Wars to Today | Episode 236

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Concrete may seem like an odd material for shipbuilding, but during World War I, severe shortages of steel led to this innovation. Devised by Norwegian immigrants the Fougner brothers, they built one of the first such ships in the US at their shipyard in Flushing, Queens. The technology reached its apex during World War II, when the US built over 100 ships and barges, and they were used as freighters, tankers, and even floating ice cream factories. Large-scale concrete shipbuilding is a thing of the past, but we will examine the fates of these wartime ships, and discuss many examples of concrete boatbuilding today.

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