Hi! I'm just wondering.. So thermal imaging/IR thermal imaging today uses a microbolometer - but is there any form of film for thermal imaging available? Or something that used to be available? I mean, according to about.com, the technology was invented a long time ago.. I know there is infrared film - but according to wikipedia: Film that's not sensitive to visible light but to temperature (infrared ratiation with wavelengths between 8-13 μm) should be shielded with liquid nitrogen before and after exposure? Or would it have to be developed instantly after exposure? And, what is this all about? Again: i'm just playing with the idea! Please don't come tell me it doesn't exist and that i should just forgetaboutit.