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  2. Pigpen cipher - Wikipedia

    en.wikipedia.org/wiki/Pigpen_cipher

    The pigpen cipher (alternatively referred to as the masonic cipher, Freemason's cipher, Rosicrucian cipher, Napoleon cipher, and tic-tac-toe cipher) [2] [3] is a geometric simple substitution cipher, which exchanges letters for symbols which are fragments of a grid. The example key shows one way the letters can be assigned to the grid.

  3. 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 .

  4. Kryptos - Wikipedia

    en.wikipedia.org/wiki/Kryptos

    1990. Dimensions. 11–12 feet × 20 feet. Location. George Bush Center for Intelligence, Langley, Virginia. Coordinates. 38°57′08″N 77°08′45″W. /  38.95227°N 77.14573°W  / 38.95227; -77.14573. Kryptos is a distributed sculpture by the American artist Jim Sanborn located on the grounds of the Central Intelligence Agency (CIA ...

  5. List of reported UFO sightings - Wikipedia

    en.wikipedia.org/wiki/List_of_reported_UFO_sightings

    Most commonly reported shapes in UFO sightings gathered by the National UFO Reporting Center Online Database ()This is a list of notable reported sightings of unidentified flying objects (UFOs) or unidentified anomalous phenomena (UAP), and related claims of close encounters or abductions.

  6. List of U.S. security clearance terms - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._security...

    T3 or T3R - Tier 3 or Tier 3 Reinvestigation, now replace all NACLC. T5 and T5R - Tier 5 or Tier 5 Reinvestigation, now replace SSBI and SBPR respectively. Yankee White – An investigation required for personnel working with the President and Vice President of the United States. Obtaining such clearance requires, in part, an SSBI.

  7. The Secrets of Triangles - Wikipedia

    en.wikipedia.org/wiki/The_Secrets_of_Triangles

    The Secrets of Triangles. Appearance. hide. First edition. The Secrets of Triangles: A Mathematical Journey is a popular mathematics book on the geometry of triangles. It was written by Alfred S. Posamentier and Ingmar Lehmann [ de], and published in 2012 by Prometheus Books .

  8. List of Latin legal terms - Wikipedia

    en.wikipedia.org/wiki/List_of_Latin_legal_terms

    1. an assured statement made; 2. completion of a will and all its parts to make it valid and legal; 3). book of facts and law presented in a Canadian court. favor contractus: favor of the contract A concept in treaty law that prefers the maintaining of a contract over letting it expire for purely procedural reasons. felo de se: felon of himself

  9. Philippines - Wikipedia

    en.wikipedia.org/wiki/Philippines

    in ASEAN (dark grey) – [Legend] Capital Manila (de jure) Metro Manila [a] (de facto) Largest city Quezon City Official languages Filipino English Recognized regional languages 19 languages National sign language Filipino Sign Language Other recognized languages [b] Spanish and Arabic Ethnic groups (2020) 26.0% Tagalog 14.3% Bisaya 8.0% Ilocano 8.0% Cebuano 7.9% Ilonggo 6.5% Bicolano 20.3% ...