Andrew Leland on Assistive Tech for the Blind
Cars That Think
AUGUST 1, 2023
The way a Braille cell works is there’s as many as six dots arranged on a two-by-three grid. Granted, at that time the machine cost like a quarter million dollars and wasn’t widely available, but Stevie Wonder bought one, and it started to appear in libraries at schools for the blind. It’s got anywhere between like 14 and 80 cells.
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