[MultipleParadox]

Originally Posted by Kingsix

So basically one is a low res thermal imager or possibly a thermopile array that captures blobs of heat.

Au-Zone Thermal IP Camera Demo - CPU Cooling - YouTube

It wouldn't operate in pitch black, but it looks neat.

Can you elaborate?
I'm particularly interested in the why it wouldn't operate in pitch black
I know close to nothing of thermal imagery, and was assuming it was using IRs or something?