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The emblem and painted enigma were similar in that each usually contained some clue that the composition contained a hidden meaning, usually a "written legend which might be a verbal riddle or rebus to be solved by the same word, or a simple epigrammatic motto such as constituted the 'soul' of the emblem."
Enigma machine messages Solved (broken by Polish and Allied cryptographers between 1932 and 1945) 1939 D'Agapeyeff cipher: Unsolved 1939–1945 Purple cipher machine messages Solved (broken by Allied cryptographers in 1940) 1941 Lorenz SZ42 machine cipher messages Solved (broken by Allied cryptographers in 1942) 1944 Pigeon NURP 40 TW 194 ...
Jeffreys's perforated sheets were used by Polish cryptologists in exile in France to make the first wartime decryption of an Enigma message on 17 January 1940. [ 8 ] In early 1940, a section called " Hut 6 " — named after the building in which it was initially housed — was created to work on solving German Army and Air Force Enigma messages.
The stated purpose of the puzzles each year was to recruit "highly intelligent individuals", although the ultimate purpose remains unknown. [2] Theories have included claims that Cicada 3301 is a secret society with the goal of improving cryptography, privacy, and anonymity or that it is a cult or religion.
The Hardest Logic Puzzle Ever is a logic puzzle so called by American philosopher and logician George Boolos and published in The Harvard Review of Philosophy in 1996. [1] [2] Boolos' article includes multiple ways of solving the problem.
At present, there is no explanation widely accepted by economists. [ 8 ] [ 9 ] [ 10 ] The Modigliani–Miller theorem suggests that the puzzle can (only) be explained by some combination of taxes, bankruptcy costs, market inefficiency (including that due to investor psychology ), and asymmetric information .
There are a few complications to the interpretation of the first line. The translation above is based on assuming that pareba is a form of the verb parare 'lead', se is a reflexive pronoun (corresponding to Classical Latin sibi), and the subject of the sentence (which is left implicit) is the writer or scribe. [1]
The Unexplained: Mysteries of Mind, Space, & Time was a popular partwork magazine published by Orbis Publishing in the United Kingdom, between 1980 and 1983. It ran to 156 issues, with issue 157 being an index to the collection, and dealt with the paranormal and mysteries such as UFOs, the Bermuda Triangle, ghosts, spontaneous human combustion, the Cottingley Fairies, ancient knowledge, sea ...