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  • : 5
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  • National Geographic
  • 19
  • Documentary

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1
1x1
From Swords to Spy Planes
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1x2
From Aqueducts to Oil Rigs
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1x3
From Fireworks to Forensics
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1x4
From Ploughs to Super Cars
Episode overview
Technology is all around us. From computers to cameras, cell phones to satellite navigation—our dependence on technology has never been greater. But how many of us ever stop to question .. show full overview
1x5
From Waterwheels to Mega Jets
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