Night writing visited the National Institute for the Blind in Paris, France, where he met Louis Braille. Braille identified the major failing of the code, which was that the human finger could not encompass the whole symbol without moving and so could not move rapidly from one symbol to another. His modification was to use a six-dot cell, the Braille system that revolutionized written communication for the visually impaired. Night writing Night writing, a.k.a. sonography, was a system of code that used symbols of twelve dots arranged as two columns of six dots embossed on a square of paperboard, and is now
Mesoamerican writing systems Mesoamerican writing system. They can be seen to contain calendric information but are otherwise undeciphered. The longest of these texts are on La Mojarra Stela 1 and the Tuxtla Statuette. The writing system used is very close to the Maya script, using affixal glyphs and Long Count dates, but is read only in one column at a time as is the Zapotec script. It has been suggested that this Isthmian or Epi-Olmec script is the direct predecessor of the Maya script, thus giving the Maya script a non-Maya origin. Another artifact with Epi-Olmec script is the Chiapa de Corzo stela