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Curated Video
The Evolution of Secret Communication: From Ancient Alphabets to Caesar's Cipher
Quantum physicist Artur Ekert (Oxford and NUS) highlights the importance of having an alphabet for encoding written messages.
Science Friday Initiative
Science Friday: Disguising Secret Messages, in a Game of Spy vs. Spy
Steganographic techniques allow a message to be hidden inside a more ordinary looking photo, video, or text.
Science Friday Initiative
Science Friday: Can"t Read This Headline? It"s Written in Invisible Ink
Prisoners, Lovers, & Spies tells the story of invisible writing, from lemon juice to microdots.