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Ultimate Secrets of Time

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20min | Aired on Sep 11, 2014 | TV-PG | CC |

Is it possible to know how much time you have left in your life? We explore the mysteries of time—including how we even know what time it is. We meet scientists and inventors who believe they’re on the verge of controlling time.

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HISTORY Channel brings you thousands of documentaries and series exploring the events and people that shaped our world, from ancient empires to modern warfare. Stream now commercial-free. Cancel anytime.

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