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  • Invisible Ink Revealed: Concept, Context, and Chemical . . .
    By modifying secret writing formulas uncovered from the archives of the East German Ministry of State Security (MfS or Stasi), a novel general chemistry secret writing laboratory was developed
  • Cold War Invisible Ink Secrets Unlocked - ScienceDaily
    Two Michigan State University researchers are the first to unlock the secrets of the invisible ink used by East Germany's secret police force, the Stasi, and in the process have mixed a batch
  • 7 Amazing Types of Invisible Ink How You Can Use Them
    Hundreds of liquids, from fruit juices to specially formulated chemicals, can be used as invisible ink Here we explore seven of the most interesting and accessible types
  • The history of invisible ink is finally out in the open
    Author Kristie Macrakis got interested in invisible ink a few years ago while researching the Stasi, East Germany's secret police Now she's written a history of steganography, or "hidden writing "
  • The Seductions of Snooping - Harvard Magazine
    What sound like gadgets from a James Bond movie were real-life instruments of espionage used by the Stasi—communist East Germany’s Ministry for State Security (Staatssicherheit), the secret police
  • Q A With Kristie Macrakis, Author of Prisoners, Lovers, and . . .
    I was handed a top secret Stasi Cold War invisible ink formula from the 1970s and successfully reproduced it It was so exciting that my heart started pumping like that of a kid who just stole a candybar
  • A reprint from American Scientist
    izes in the history of espionage She is the author or editor of five books, including Seduced by Secrets: Inside the Stasi’s Spy-Tech World (C mbridge Universi-ty Press, 2008) Her latest book is Prisoners, Lov-ers, and Spies: The Story of Invisible Ink from Herodotus to al-Qaeda (Yale University Press, 2014), f




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