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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 ...
The space bar is on the bottom center of the keyboard. The space bar, spacebar, blank, or space key, [ 1] Space bar is a key on a typewriter or alphanumeric keyboard in the form of a horizontal bar in the lowermost row, significantly wider than all other keys. Its main purpose is to conveniently enter a space, e.g., between words during typing.
The Space Pen (also known as the Zero Gravity Pen ), marketed by Fisher Space Pen Company, is a pen that uses pressurized ink cartridges and is able to write in zero gravity, underwater, over wet and greasy paper, at any angle, and in a very wide range of temperatures. Astronaut Walter Cunningham, Apollo 7 lunar module pilot, writes with space ...
Research and Design. With the Sculpt Comfort Keyboard, Microsoft is introducing its first keyboard to feature a split backspace-spacebar key. This design choice is the result of internal research ...
Earlier today, Synaptics announced its SmartBar technology that adds a touch input area -- enabled by a sub-0.2mm-thick PET film -- onto the space bar, which then lets you perform certain tasks ...
The Department of Justice on Friday night asked a federal court to reject TikTok’s bid to have the law that could ban it overturned, citing national security concerns that include its alleged ...
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.
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.