June 03, 2019 - 11:00 PM
NEW ORLEANS - As people at the American Alliance of Museums' trade show passed their hands along the raised figures in touchable versions of a Vietnam War photograph, small metal sensors touched off recordings to explain whose picture they were touching and what had happened to him. At a nearby booth was a flat reproduction of a Van Gogh self-portrait with slightly raised, slicker areas to show both outlines and how brush strokes swept or swirled within those outlines.