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In this episode, host Josh Klein takes a look at the military's high-tech Predator drone and discovers how ancient Chinese technology set the stage for its creation. It all started in the third century B.C., when Chinese leader Ying Zeng's bronze swords were instrumental in Chinese unification and prosperityresulting in the Silk Road trade route made possible by the development of the compasswhich European nations then used to dominate global sea trade.

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