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In this brief narrated segment, the speaker explains how Leonardo da Vinci, fascinated by flight from a young age, was inspired by watching maple seeds spin as they fell. He imagined a corkscrew mechanism, integrating the concept of a screw into a flying machine design. The narration highlights that this early visionary idea eventually, 450 years later, contributed to the development of the modern helicopter, linking da Vinci’s speculative invention to contemporary aerospace technology.

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