A Brief History of Surveillance
Cool High-Tech Gadgets New | ... Valuables Safely in your Trailer Hitch – New high tech spy gadgets
This depicts an old WWII espionage device, built into a pipe. They used pen's even eyeglasses to hide devices, that could be left around.
Steineck ABC Wristwatch Camera. Circa 1949. Made in Germany, used by the KGB. | 20 Cool KGB Cold War Spy Devices
cool gadgets | Cool spy gadgets use the best in technology and surveillance equipment ...
Top 10 DIY Home Security Projects @Alyssa Thornhill GREAT IDEAS!
Fun science experiment for kids: Dusting for Fingerprints http://www.connectionsacademy.com/blog/posts/2013-01-04/Do-Your-Own-Detective-Work-by-Dusting-for-Fingerprints.aspx
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