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"Weird Spy Gadgets You Never Knew!
Weird Spy Gadgets You Never Knew ExistedSubscribe to Top 10s <a href="https://goo.gl/zvGBHeDescription:Charlie">https://goo.gl/zvGBHeDescription:Charlie</a> from Top ...
Hackaday1y
Recreating One Of History’s Best Known Spy Gadgets
[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 ...