In a scene of the TV series Twin Peaks a flickering air plane window seems to hide some code. Can a reader solve it?
A German memorial coin minted in 2011 bears a hidden code. Maybe my readers can help me to find out more about it.
In a British censorship manual from WW2 two pictures containing hidden messages are displayed. My readers have now found at least a part of the solutions.
The last crypto challenge I’m going present in 2016 was created by master-codebreaker Tony Gaffney. Can you solve his starlight steganogram?
While in New York Carlsen and Karyakin are playing their final games, I am going to present three (alleged) secret codes related to chess.
In World War 1 a female spy in France used a chess board and chess pieces to code a secret message.
A British censorship manual from WW2 introduces a wide range of message hiding techniques. Some of the examples given are hard to comprehend. Maybe my readers can help.
A British censorship manual from WW2 gives an overview on message hiding techniques. Some of the examples given are messages hidden in letters from prisoners of war.
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