[Machining and Microwaves] got an interesting request. The BBC asked him to duplicate the Great Seal Bug — the device the Russians used to listen covertly to the US ambassador for seven years in ...

Subscribe to Top 10s ► <a href=" from Top 10s counts down the Weird Spy Gadgets You Never Knew Existed! Do you want to know the cool future and history based gadgets that spies used to use and still ...