An unusual source of security information has come to light: the entertaining Mythbusters TV series has explored a variety of physical security controls including fingerprint readers (defeated by a latex copy of a fingerprint ... and even by a photocopy of a fingerprint), intruder detectors that detect body heat (defeated by a pane of glass), and a safe-breaking technique involving water and a depth charge (! That one works.). Another episode busted the myth about being able to cross a criss-cross laser-beamed room by visualizing the beams, and showed how to defeat a pressure switch with duct tape.
More physical security resources
