[thedoc (OP)]

Now most people will have seen a thermal camera -  a special type of camera that can detect the far infrared radiation that's emitted by hot things. These are used by rescue workers to find injured people and also by the police to find hiding criminals.  They’re also incredibly useful in the world of non-destructive evaluation as the technique of thermography is great at seeing otherwise invisible defects in materials.....
Read a transcript of the interview by clicking here

or [chapter podcast=3747 track=11.11.27/Naked_Scientists_Show_11.11.27_9385.mp3] Listen to it now[/chapter] or [download as MP3]