"For thousands of years, sailors in the Marshall Islands have navigated vast distances of open ocean without instruments. The Marshalls provide a crucible for navigation: 70 square miles of land, total, comprising 5 islands and 29 atolls, rings of coral islets that grew up around the rims of underwater volcanoes millions of years ago and now encircle gentle lagoons. In this week's @nytmag, the writer Kim Tingley explores whether science help explain how wave pilots, in defiance of the dizzying complexities of fluid dynamics, can detect direction and proximity to land. @markpetersonpixs took this photo of the Jitdam Kapeel, a sailing canoe at work." By nytimes on Instagram.
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