A Blissymbol is any of the ideographs in the Blissymbols language - a group of symbolic characters which can be used to assist people who have difficulties in communicating.
she invented the blissymbol printer to help people communicate with other people
she was 12 years old.It was for a science fair.
Rachel Zimmerman was 12 when she invented the 'Blissymbol printer.' Zimmerman was born in 1972.
Yes. She was only 12 when she invented the blissymbol printer in the mid-1980s.
To make it easier for people with speech and written communication difficulties to express themselves. The printer consisted of a pad with symbols that corresponded to words, and pressing them in sequence could create sentences.