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Message: <blockquote data-quote="rpgHQ" data-source="post: 1256714" data-attributes="member: 12219">Theres differing forms of infrared imaging. That show in the cave showig hte black and white images of animals is still thermal imagin, many security cameras use that same form of infrared imaging. A light source would show up as a big blob or bright spot, its basically a turned down form of thermal imaging so it looks crisper like you noted. The camera's not only pick up infrared lightwaves but sends out its own beam, not sure how it works but thats how most of those black and white night security camera's work. When you see those cop vid shows on TV and the heliocopter camera is able to pick up the badguys footprints and such is beause their using equipment that is more sensitive to infrared readings. Since it is outside the spectum of light we can see, all those color infrared images you see are artifical, the equipment is designed to show the different levels of infrared frequencies as certain colors. Without the artificial color imaging you get black and white images. Thats kinda how it is with most images you see for things in outerspace(like from the hubble telescope), nebulas and galaxies and such, their touched up to show colors.Creatures with infrared sensory (like pit vipers) I think its still debatable if its colored or black and white. Theres no way to know how their brain is interpreting the information. Anyhow that camera in the cave showing the animals in the pitch dark is thermal, just implemented differently.</blockquote>

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