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Watch Modern Marvels Season 6 Episode 23 Online

  • 8.5/10
  • COUNTRIES: United States of America
  • Subtitles: English

Espionage has been used for at least the last 4,000 years. And where there are spies, you find gadgets! We focus on the last 100 years of cloak and dagger technology–from early code-breaking computers to satellite reconnaissance–and take a look at the James Bond-type gadgets of the Cold War.