Astra rebuilt the Germans’ secret letter grid, then found a date error historians can’t explain.
In March 1809, Europe was perched on the precipice of war as Napoleon's forces braced for an attack from Austria. Intent on ...
By working this out and filling in the letters, some will form obvious words with letters missing, allowing the codebreaker to fill in the gaps and recover those letters as well. Contact analysis, ...
A coded letter carrying a message from Napoleon Bonaparte to one of his senior generals has been cracked by AI after 217 ...
The cipher controversy is back. The Intercept, an American media outlet known for unearthing secret documents, has claimed to have got hold of the text of the cipher that was at the centre of Imran ...
AI may have cracked a 370-year-old cipher in 44 minutes. The harder question is whether it discovered the answer, remembered it, or merely guessed well.