Although their original point was that they had to degrade the camera quite a bit to come near duplicating the scene...just shows how sensitive IR camers are. The ones used for astronomy are cooled by liquid nitrogen to allow them to detect even fainter IR sources (IIRC).

edit=spelllllin

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"Light thinks it travels faster than anything but it is wrong. No matter how fast light travels it finds the darkness has always got there first, and is waiting for it." — Terry Pratchett, Reaper Man

441!!!! :)