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Articles Tagged ‘CIA releases invisible ink recipe’
Invisible Ink Recipe Revealed: National Security in Jeopardy, Love Letters Get More Romantic
May 9, 2011 | Europe, France, Germany, Romantic, Travel News | Read More
In Australia, the Central Intelligence Agency recently declassified six World War I documents, the oldest held by the agency. Their contents? The ingredients used to create invisible ink.
The ingredients, it seems, are a little more complicated than the ones used in the (seemingly) awesome toys we played...
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