Map
A scaled flat representation of the Earth's surface or another space; because a curved surface must be projected onto a plane, area and shape are rendered differently depending on the projection.
European mapmakers drew California as an island apart from North America for 150+ years. The error came from a mistaken 1602 account, spread across maps from 1622 — and persisted even after Spain's king decreed in 1747 that California was not an island.
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Indigenous people of eastern Greenland carved wood into 3D shapes mimicking coastlines, creating 'Ammassalik maps.' Since paper maps were impossible to read in the snow, these tactile maps let navigators feel the terrain by touch alone.
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Marshall Islands navigators used palm stems woven to show ocean currents, with shells marking islands. They never consulted these charts at sea — they memorized them first, then lay face-down in canoes, reading the water's flow by feel.
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