Video and lesson investigations on the topic of braille. Key concepts include:
- Braille is a special language which is ready by touch.
- It is named after its inventor, Louis Braille.
- It enables blind people to read words by touch. Braille is a code where words are written in a series of raised dots and on the surface of paper.
- Machines rather like typewriters can be used to produce the language on paper.
- For a touch code for letters to be useful, it must be easily reproduced, easily learned by someone who cannot see it and able to be quickly hand-scanned. Braille’s invention met all these requirements enabling blind people immediately to read words, numbers and notation for mathematics, science and music once they had learned the code.
- Many books are available in Braille and it is also used in places such as lifts to assist people in locating the correct floor