SIOUX FALLS, S.D. (KELO) — This winter storm was the perfect excuse for many people to curl up with a good book Friday, but a new Sioux Falls business is working to make those stories come alive. “I ...
THE type-reading optophone, an instrument designed to enable blind people to read ordinary print, was described in NATURE in 1914 (vol. xciv., p. 4). At the British Scientific Products Exhibition of ...
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