We’ve seen it on spy or action movies, in which somebody can wear a pair of night vision goggles to see someone else in a dark or on a moonless night. Some may wonder if this can only be seen in movies. The truth is, with night vision equipment, nobody can hide from you even in the dark.
This equipment uses the thermal imaging technology which operates by capturing the upper portion of the infrared light spectrum, which is emitted as heat by objects. Warm bodies emit more of this light than cooler objects like trees or buildings.
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