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• 02:44 Popular

  How Does Night Vision Work?

  820 views / 0 likes - added 8 years ago

  Sure, night vision looks cool in the movies - but what is it, exactly? How can a scope or a pair of goggles help you see in near-absolute darkness? Learn more at HowStuffWorks.com: http://electronics.howstuffworks.com/gadgets/high-tech-gadgets/nightvision

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