Sudan`s Invisible Heroes - Ola Alsheikh

Slate and Stylus

Slate and Stylus are the most common tools used by blind persons to write text and they can read without assistance. Inspite of new technologies no technology can replace it because it allows easy and quick writting . This method was invented by Charles Barbier.The slate looks like a flat board with 27 lines and 30 cells.It comes in different shapes and sizes, wherease the stylus is a small pencil like tool.