View full lesson: http://ed.ted.com/lessons/how-braille-was-invented-moments-of-vision-9-jessica-oreck
Today, Braille is the universally accepted system of writing for the blind, translated into almost every language in almost every country across the globe. But it didn’t actually start out as a tool for the blind. Jessica Oreck details the surprising wartime origins of Braille.
Lesson and animation by Jessica Oreck.