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S01E02: The FlashlightOriginally considered a novelty item, The Flashlight has quickly become one of the world's most trusted tools. Each American owns an average of 3 or 4 flashlights, but providing light is not their only function. Join the National Geographic Channel to trace the flashlight's history and take a look at its unexpected role in our lives. From a military flashlight that can blind an enemy to crime-fighting flashlights used to find hidden clues, innovators continue to expand the flashlight's use.
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Air Date:
May 31, 2007
Runtime:
60 minutes
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