Louis Braille - traduzione in francese
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Louis Braille - traduzione in francese

INVENTOR OF BRAILLE, A SYSTEM OF READING AND WRITING USED BY PEOPLE WHO ARE BLIND OR VISUALLY IMPAIRED (1809-1852)
Braille, Louis; Louis braille
  • alt=An Indian two rupee coin minted in honour of Louis Braille's 200th birth anniversary (1809-2009)
  • alt=A small two-story farmhouse
  • alt=A bust of Braille next to items in a display case
  • alt=The same two letters printed in different formats
  • alt=Letters of the alphabet printed in braille
  • alt=A stone bust of Braille with an audiotronic memorial plaque

Louis Braille         
Louis Braille (1809-1852), French educator (who became blind at the age of three), and inventor of the Braille system for the blind

Definizione

braille
<human language> /breyl/ (Often capitalised) A class of writing systems, intended for use by blind and low-vision users, which express glyphs as raised dots. Currently employed braille standards use eight dots per cell, where a cell is a glyph-space two dots across by four dots high; most glyphs use only the top six dots. Braille was developed by Louis Braille (pronounced /looy bray/) in France in the 1820s. Braille systems for most languages can be fairly trivially converted to and from the usual script. Braille has several totally coincidental parallels with digital computing: it is binary, it is based on groups of eight bits/dots and its development began in the 1820s, at the same time Charles Babbage proposed the Difference Engine. Computers output Braille on braille displays and {braille printers} for hard copy. {British Royal National Institute for the Blind (http://rnib.org.uk/wesupply/fctsheet/braille.htm)}. (1998-10-19)

Wikipedia

Louis Braille

Louis Braille (; French: [lwi bʁɑj]; 4 January 1809 – 6 January 1852) was a French educator and the inventor of a reading and writing system, named braille after him, intended for use by visually impaired people. His system is used worldwide and remains virtually unchanged to this day.

Braille was blinded at the age of three in one eye as a result of an accident with a stitching awl in his father's harness making shop. Consequently, an infection set in and spread to both eyes, resulting in total blindness. At that time there were not many resources in place for the blind, but he nevertheless excelled in his education and received a scholarship to France's Royal Institute for Blind Youth. While still a student there, he began developing a system of tactile code that could allow blind people to read and write quickly and efficiently. Inspired by a system invented by Charles Barbier, Braille's new method was more compact and lent itself to a range of uses, including music. He presented his work to his peers for the first time in 1824, when he was fifteen years old.

In adulthood, Braille served as a professor at the Institute and had an avocation as a musician, but he largely spent the remainder of his life refining and extending his system. It went unused by most educators for many years after his death, but posterity has recognized braille as a revolutionary invention, and it has been adapted for use in languages worldwide.