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Lost at Sea: The Search for Longitude 1x57

It was one of humankind’s most epic quests — a technical problem so complex that it challenged the best minds of its time. The problem was navigation by sea — how to know where you were when you sailed beyond the sight of land — the finding of your longitude. While the gentry of the eighteenth century looked to the stars for the answer, an English clock maker, John Harrison, toiled for decades to solve the problem. His elegant solution made him an unlikely hero and remains the basis for the most modern forms of navigation in the world today.