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  2. Barcode reader - Wikipedia

    en.wikipedia.org/wiki/Barcode_reader

    Barcode reader. A stationary barcode scanner for a conveyor line. 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.

  3. Optical mark recognition - Wikipedia

    en.wikipedia.org/wiki/Optical_mark_recognition

    Optical mark recognition (OMR) is the scanning of paper to detect the presence or absence of a mark in a predetermined position. [5] Optical mark recognition has evolved from several other technologies. In the early 19th century and 20th century patents were given for machines that would aid the blind.

  4. Directed attention fatigue - Wikipedia

    en.wikipedia.org/wiki/Directed_attention_fatigue

    Directed attention fatigue. Directed attention fatigue ( DAF) is a neuro-psychological phenomenon that results from overuse of the brain's inhibitory attention mechanisms, which handle incoming distractions while maintaining focus on a specific task. The greatest threat to a given focus of attention is competition from other stimuli that can ...

  5. Researchers built a low-cost camera system that recreates ...

    www.engadget.com/optical-microphone-camera-laser...

    A CMU team says the system can recreate audio from a speaker by looking at a nearby bag of Doritos.

  6. Google’s accessibility app Lookout can use your phone’s ...

    www.engadget.com/googles-accessibility-app...

    Its latest version comes with a new "Find" mode that allows users to choose from seven item categories, including seating, tables, vehicles, utensils and bathrooms. When users choose a category ...

  7. The best ereaders for 2024 - Engadget

    www.engadget.com/best-ereader-130013808.html

    Then we narrow a list to the best candidates for hands-on testing. I ended up getting eight ereaders, representing five different brands: Amazon, Kobo, Barnes & Noble, Boox and PocketBook. I ...

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