The Art Institute of Chicago has invested in a new technology designed to help it better serve a demographic usually left out of the museum-going experience: the blind. “The Michigan Avenue museum has re-created a handful of its art on portable, machine-etched plastic, which will help the blind to imagine what they cannot view. Called TacTiles, the 8-inch-by-10-inch boards replicate in relief the brush strokes of such masters as Renoir and Miro.”