Like six-year-olds around the world, Madison Logan is learning to read and write. Unlike most children, the Quincy girl has vision problems severe enough to make her legally blind. But that’s not slowing her down. “L, C, H, W,” Logan said as she read letters with the fingers of her right hand on a recent day. She had just typed the letters herself, in braille, the writing system that transforms text into raised dots on paper. Logan did it with a new kind of braille typewriter -- called a Smart Brailler -- that employs digital technology.
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