Just past the portals of Gallery C, a wing of one of the fine-arts buildings at California State College in Long Beach, the visitor pushed through a many-layered curtain of black vinyl and entered a pitch-black world. His only guide was his sense of touch. Through tubes and rubbery barricades, up and down gradients, past something that felt like an oscillating fur muff, the visitor groped his way. Just before emerging again into the light, he was engulfed, not unpleasantly, by a water-filled plastic mattress with a temperature about the same as his own.
The labyrinth was the main feature...