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  2. These 55 Printable Pumpkin Stencils Make Carving Easier ... - AOL

    www.aol.com/55-printable-pumpkin-stencils...

    This Halloween 2024, use these printable pumpkin stencils and free, easy carving patterns for the scariest, silliest, most unique, and cutest jack-o’-lanterns.

  3. Tap code - Wikipedia

    en.wikipedia.org/wiki/Tap_code

    The tap code is based on a Polybius square using a 5×5 grid of letters representing all the letters of the Latin alphabet, except for K, which is represented by C. . Each letter is communicated by tapping two numbers, the first designating the row and the second (after a pause) designating the column.

  4. Secret decoder ring - Wikipedia

    en.wikipedia.org/wiki/Secret_decoder_ring

    A secret decoder ring (or secret decoder) is a device that allows one to decode a simple substitution cipher—or to encrypt a message by working in the opposite direction. [ 1 ] As inexpensive toys, secret decoders have often been used as promotional items by retailers, as well as radio and television programs, from the 1930s through to the ...

  5. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    Free Lossless Audio Codec [42] 4D 54 68 64: MThd: 0 mid midi MIDI sound file [43] D0 CF 11 E0 A1 B1 1A E1: ÐÏ␑ࡱ␚á: 0 doc xls ppt msi msg Compound File Binary Format, a container format defined by Microsoft COM. It can contain the equivalent of files and directories.

  6. Theban alphabet - Wikipedia

    en.wikipedia.org/wiki/Theban_alphabet

    From The Magus (1801) by Francis Barrett.Follows Agrippa's chart above. A 19th-century gravestone in Llanfyllin, Wales, inscribed in the Theban alphabet (Agrippa/Barrett version) and Cistercian numerals.

  7. Visual cryptography - Wikipedia

    en.wikipedia.org/wiki/Visual_cryptography

    Every pixel from the secret image is encoded into multiple subpixels in each share image using a matrix to determine the color of the pixels. In the (2, n) case, a white pixel in the secret image is encoded using a matrix from the following set, where each row gives the subpixel pattern for one of the components:

  8. Bacon's cipher - Wikipedia

    en.wikipedia.org/wiki/Bacon's_cipher

    Image of Bacon's cipher. Bacon's cipher or the Baconian cipher is a method of steganographic message encoding devised by Francis Bacon in 1605. [1] [2] [3] In steganograhy, a message is concealed in the presentation of text, rather than its content.

  9. Plastic canvas - Wikipedia

    en.wikipedia.org/wiki/Plastic_canvas

    Plastic canvas is a craft material of lightweight plastic with regularly spaced holes in imitation of embroidery canvas. It is also commonly known as vinyl weave. Plastic canvas is typically used as a foundation for needlepoint or other canvas work embroidery, usually in acrylic or wool knitting yarn. Due to its rigidity, it is useful for ...