Time Capsule Included Emergency Windmill

Oglethorpe University in Georgia sealed the room-sized time capsule named "Crypt of Civilization" in 1940 and scheduled its opening for 8113 CE. Its creators filled it with records and artifacts from 20th-century life, including electric microfilm readers and picture projectors. They also included a small windmill that could generate power for those devices if electricity was no longer in general use by the 82nd century.

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