Globally, it is estimated by the World Health Organization (WHO) that 40 to 45 million people are totally blind and 314 million have some kind of visual impairment. In Egypt, 800,000 suffer from blindness. It is estimated by 2020, all blind-related numbers will double. According to several studies, ...By: Ahmed Adel Gomaa
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from Instructables: exploring - technology - robots http://ift.tt/1DF5hO5
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