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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. Optical character recognition - Wikipedia

   en.wikipedia.org/wiki/Optical_character_recognition

   Optical character recognition or optical character reader ( OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and billboards in a landscape photo) or from subtitle text ...

5. Directed attention fatigue - Wikipedia

   en.wikipedia.org/wiki/Directed_attention_fatigue

   Signs of Directed Attention Fatigue include temporarily feeling unusually distractible, impatient, forgetful, or cranky when there is no associated illness. In more severe forms, it can lead to bad judgment, apathy, or accidents, and can contribute to increased stress levels.

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

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

   It has rolled out a new version of the Lookout app, which can read text and even lengthy documents out loud for people with low vision or blindness. The app can also read food labels, recognize ...

7. How gadgets could unlock the potential of lucid dreaming

   www.engadget.com/how-gadgets-could-unlock-the...

   Awoken (Android) and Lucidity (iOS) for example operate more like training tools that leverage some of the tech in your phone. Every morning you can add to your dream journal and throughout the ...