Leon Theremin Changed Spying FOREVER with this 1940s invention!
31:37
SOLVING the Mystery Behind a Soviet Spy Bug : A True Masterpiece of Technical Elegance!
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How 6 Criminal Businesses Actually Work — From Money Laundering To Gun Smuggling | Marathon
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REVEALED: Metal Membrane Strainer is for Theremin's Great Seal Bug!
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The British MI6 Agent Turned Russian Spy | Kim Philby | Timeline
33:03
Why Some Designs Are Impossible to Improve: Quintessence
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Why the Soviet Computer Failed
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Spy Wars with Damian Lewis: The Man Who Saved the World (Full Episode)
10:01