A video documentary presents new facts about the history of the Enigma in the 1930s and its deciphering in the Second World War.
A French expert team has succeeded in factorizing a 795 bit prime number product. This is a new world record. The old one (768 bit) dated from 2009.
Belgian scholar Michael Florent van Langren (1598-1675) proposed a naval navigation method that didn’t work. A second method he developed might be described a cryptogram that has never been solved.
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