
In the early 1900s, inventor Thomas Edison had a flash of inspiration: concrete homes, cast in one piece. Concrete bathtubs and beds would be integral to the design. Occupants could even play concrete pianos. Unsurprisingly, such homes weren’t as successful as Edison’s light bulbs. Few were made – pouring concrete into a mould the size of a house proved tricky – but some still stand in New Jersey.
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