Sir Isaac Newton and the Sextant

Up until the voyages of discovery began in the late 15th Century, ship captains rarely sailed out of sight of land. Why? Even though they knew what direction they were…

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Ben Franklin and the Gulph Stream

In 1513, Ponce de Leon was the first to note a current that was faster than his ships, but did neither explored it nor documented its location. What de Leon…

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