Thermal Imaging

[the_geeza]

Don't break wind when you walk pass a thermal imaging camera...

http://www.youtube.com/watch?v=sId9J5ieehs

[sparkyminer]

That's an aerosol, cue the jokes, the gas is showing up dark which indicates it's much colder than his body, whilst not being an expert, I would imagine any bodily expulsions would be a lot warmer. I.e. Close to body temperature.