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  2. Pigpen cipher - Wikipedia

    en.wikipedia.org/wiki/Pigpen_cipher

    The pigpen cipher uses graphical symbols assigned according to a key similar to the above diagram. [1]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.

  3. Barcode - Wikipedia

    en.wikipedia.org/wiki/Barcode

    Barcode. A UPC-A barcode. A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called ...

  4. Incremental game - Wikipedia

    en.wikipedia.org/wiki/Incremental_game

    Incremental games gained popularity in 2013 after the success of Cookie Clicker, [3] although earlier games such as Cow Clicker and Candy Box! were based on the same principles. Make It Rain (2014, by Space Inch) was the first major mobile idle game success, although the idle elements in the game were heavily limited, requiring check-ins to ...

  5. Barcode reader - Wikipedia

    en.wikipedia.org/wiki/Barcode_reader

    Barcode reader. A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [ 1] Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals. Additionally, nearly all barcode readers contain ...

  6. Cookie Clicker - Wikipedia

    en.wikipedia.org/wiki/Cookie_Clicker

    WW: September 1, 2021. Genre (s) Incremental. Mode (s) Single-player. Cookie Clicker is a 2013 incremental game created by French programmer Julien "Orteil" Thiennot. The user initially clicks on a big cookie on the screen, earning a single cookie per click. They can then use their earned cookies to purchase assets such as "cursors" and other ...

  7. A cheat sheet for the new Galaxy Note 9 S Pen - Engadget

    www.engadget.com/2018-08-24-samsung-galaxy-note...

    In its quest to lure more users to the flagship Note 9 phones, Samsung imbued its S Pen with many new powers. Now in addition to letting you scribble on the screen, the stylus serves as a remote ...

  8. Watch a 5-year-old spam the spacebar to access his dad's Xbox ...

    www.engadget.com/2014-04-04-xbox-live-five-year...

    Kids: they're our future, and apparently are also great at finding backdoors within video game security measures. Take 5-year-old Kristoffer Von Hassel from the San Diego area, for instance.

  9. Retractable pen - Wikipedia

    en.wikipedia.org/wiki/Retractable_pen

    Retractable pen. A pen being clicked. A retractable pen is a type of ink pen that has a spring-loaded ink cartridge which retracts and extends outside a protective housing. By clicking downward on the top of the pen, the tip is extended and locks in place at the bottom of the housing for use.