Barbier's system was too complex for the military and was rejected.
Barbier's system was too complex for soldiers to learn,
and was rejected by the military.
In 1821, Braille's teacher, Dr. Alexandre Francois-Rene Pignier,
invited a man named Charles Barbier to speak to a classroom of young blind students
at the National Institute for Blind Youth in Paris.
As it stood, the Barbier invention wasn't quite up to functioning as a system of touch-based reading
and writing, being overly complex(using a 6×6 dot matrix to represent letters and certain phonemes).
Barbier had developed a"night writing" system for the military using raised dots after Napoleon requested
a system of communication that soldiers could use even in darkness without making any sound in the process.
The term green economy was first coined in a pioneering 1989 report for the Government of the United Kingdom by a group of leading environmental economists, entitled Blueprint for a Green Economy(Pearce,
Markandya and Barbier, 1989).