“Only about 2% of visually impaired people in the United States use guide dogs,” notes StudyFinds.com, “partly because breeding and training takes years and fewer than half the dogs in training actually graduate.”
But someday there could be another option:
What if you could ask your guide dog where the nearest water fountain is and hear it answer back, complete with directions and an estimated walk time? Researchers at the State University of New York at Binghamton have

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