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Secrets of Viking Ships
How did longships and other vessels help the Norsemen navigate distant waters so successfu...
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Making Stuff: Stronger
David Pogue tests his mettle against the world’s strongest stuff, from steel and Kevlar to...
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An Unsinkable Ship?
The Titanic made a mockery of the notion, yet naval engineers have devised key innovations...
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Secrets of Ancient Navigators
From following seabirds to watching the stars, early seafarers developed a host of ingenio...
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