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Night Vision Explained

Related Article: How Night Vision Works

Watch this video about night vision on HowStuffWorks. Night vision is good at amplifying moonlight and star light, but it can't be used in places like caves or buildings, nor can it transmit video from surveillance areas like ports and harbors; to do this you need solid state imaging units with special infra-red technologies. See how Sensors Unlimited works in this video from World Business Review.

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