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How Sticks and Shell Charts Became a Sophisticated System for Navigation
Sailors navigating with sextant, compass and maps found in the Marshall Islands that curved sticks and cowry shells were far more sophisticated
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How the Transistor Radio with Music for Your Pocket Fueled a Teenage Social Revolution
In a burst of post World War II innovation, the Regency TR-1 transistor radio became the new "It" gift for the holiday season
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