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  2. Caesar cipher - Wikipedia

    en.wikipedia.org/wiki/Caesar_cipher

    In cryptography, a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code, or Caesar shift, is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet.

  3. Enigma machine - Wikipedia

    en.wikipedia.org/wiki/Enigma_machine

    The Enigma machine was considered so secure that it was used to encipher the most top-secret messages. The Enigma has an electromechanical rotor mechanism that scrambles the 26 letters of the alphabet. In typical use, one person enters text on the Enigma's keyboard and another person writes down which of the 26 lights above the keyboard ...

  4. Pigpen cipher - Wikipedia

    en.wikipedia.org/wiki/Pigpen_cipher

    The Pigpen cipher offers little cryptographic security. It differentiates itself from other simple monoalphabetic substitution ciphers solely by its use of symbols rather than letters, the use of which fails to assist in curbing cryptanalysis.

  5. Tap code - Wikipedia

    en.wikipedia.org/wiki/Tap_code

    The tap code, sometimes called the knock code, is a way to encode text messages on a letter-by-letter basis in a very simple way. The message is transmitted using a series of tap sounds, hence its name. The tap code has been commonly used by prisoners to communicate with each other.

  6. Google's AI translation tool seems to have invented its own ...

    techcrunch.com/2016/11/22/googles-ai-translation-

    Based on how various sentences are related to one another in the memory space of the neural network, Google’s language and AI boffins think that it has. A visualization of the translation system...

  7. DeepL schools other online translators with clever machine ...

    techcrunch.com/2017/08/29/deepl-schools-other...

    Tech giants Google, Microsoft, and Facebook are all applying the lessons of machine learning to translation, but a small company called DeepL has outdone them all and raised the bar for the field.

  8. IBM's CodeNet dataset can teach AI to translate computer ...

    www.engadget.com/ibm-codenet-dataset-can-teach...

    While this dataset could theoretically be used to generate entirely new sequences of code, like what GPT-3 does with English, CodeNet’s strength lies within its ability to translate.

  9. Code talker - Wikipedia

    en.wikipedia.org/wiki/Code_talker

    A code talker was a person employed by the military during wartime to use a little-known language as a means of secret communication. The term is most often used for United States service members during the World Wars who used their knowledge of Native American languages as a basis to transmit coded messages.

  10. A Woman Hid This Secret Code in Her Silk Dress in 1888 ... - AOL

    www.aol.com/lifestyle/woman-hid-secret-code-her...

    A vintage dress purchased at an antique shop a decade ago contained a hidden code that has baffled people for a decade. The code was broken by a data analyst at a Canadian university.

  11. Kryptos - Wikipedia

    en.wikipedia.org/wiki/Kryptos

    Morse code. The translations of the International Morse code (sometimes called K0) that are ascribed to the copper slabs when read facing the south: E E VIRTUALLY E | E E E E E E INVISIBLE DIGETAL E E E | INTERPRETATIT E E SHADOW E E | FORCES E E E E E LUCID E E E | MEMORY E T IS YOUR | POSITION E SOS RQ. Solution of passage 1