At a touch, gadget can read to the blind: Ring-like device says words aloud as it is scanned

A device that can read aloud any word it is pointed at could transform the lives of the blind or partially-sighted.

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The gadget, developed by scientists at the Massachusetts Institute of Technology in the US, is designed to be worn on the finger like a ring. When it is held over words on a printed page or a digital screen a synthesized voice reads the sentences out loud. Read more: