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Palestinian females Eman El-Shayyah (L) and Jehad Abu-Shaqra work on their invention at the Islamic university laboratory in Gaza City, on June 26, 2013. Abu-Shaqra and El-Shayyah invented smart glasses to help the blind to determine the way. The glasses warn them of encountered obstacles by sound order whose volume increases when the obstacle become closer to the person. Photo by Emad Nassar
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Copyright: © APA Images / Emad Nassar
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