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Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was ...
PDFtk (short for PDF Toolkit) is a toolkit for manipulating Portable Document Format (PDF) documents. [ 3 ] [ 4 ] It runs on Linux , Windows and macOS . [ 5 ] It comes in three versions: PDFtk Server ( open-source command-line tool ), PDFtk Free ( freeware ) and PDFtk Pro ( proprietary paid ). [ 2 ]
The company was founded by Kibataro Oki (1848–1906), an engineer formerly employed at a Kobusho (Ministry of Industry) factory. In 1877, only a year after Alexander Graham Bell's invention, Kubusho had started an effort to make telephone receivers by reverse engineering and Oki was in the team that came up with the first prototype. [5]
The first documented fire-starting printer was a Stromberg-Carlson 5000 xerographic printer (similar to a modern laser printer, but with a CRT as the light source instead of a laser), installed around 1959 at the Lawrence Livermore National Laboratory and modified with an extended fusing oven to achieve a print speed of one page per second. In ...
Editor’s note: This article discusses suicide. If you or someone you know is struggling or in crisis, help is available. Call or text 988 or chat at 988lifeline.org.. Hannah Kobayashi has been ...
Based on the statements and interviews that have been made public so far, the news of Luigi Mangione’s arrest seems to have come as a shock to those who knew him.
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By Jaspreet Singh (Reuters) -Audio-streaming giant Spotify forecast fourth-quarter profit above Wall Street estimates on Tuesday, betting on cost cuts and strong subscriber growth in the crucial ...