Medical Engineering: Replacing Braille?

Since Louis Braille devised his raised-dot alphabet in 1829, there has been no other practical means for the blind to read. For 17-year-old Candy Linvill, blind since the age of three, Braille's system of dots posed little problem, but she was still confined to those books and publications that are issued in Braille. Now, because of an ingenious new device on loan from her father's laboratory, she is freed from that limitation.

Candy recently read the adventures of Christopher Robin and the Autobiography of Malcolm X without the aid of Braille. Similarly, she can read typed letters from friends...

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