Klaus Schmeh
50 postcards written by two aerospace technicians in 1968 contain encrypted and hidden messages. If you want to solve them you should listen to “The Soyuz Files” podcast.
In World War 1 a female spy in France used a chess board and chess pieces to code a secret message.
In the 1950s the Germans used a unique crypto device named “Violine”. I have always wondered what it was used for. In a book about espionage I found the likely answer.
Researchers tested whether two artificial intelligence systems could develop an ecryption algorithm a third one could not break. In some test runs it worked.
Two texts in a book written by Renaissance genius Francis Bacon contain hidden messages. Can a reader find them?
A Rubik’s Cube can be used to implement a highly secure encryption method.
In 1941 the German chemicals group Bayer sent an encrypted letter to Columbia. British codebreakers were able to decipher it.
The FBI has recently declassified crypto-related files from the 1940s. These files contain a number of amusing stories.
Around 1990 David Kahn, the father of crypto history, met a tall man wearing a suit and glasses. This is documented on a photograph. Does anybody recognize this man?
Nathaniel Bar-Jonah (1957-2008) was a felon convicted of kidnapping and sexual assault. According to a website, he left behind an encrypted note. Is this note genuine? Can it be solved? I hope my readers can answer these questions.
Letzte Kommentare