Lots of diagrams, sometimes photographs. They went through many phases of work. About the Audio Tour Different people learn in different ways. Some people like to have an audio narration and that kind of mediation. Some people are more visual.
Some people like to read.
Some people just try things. We wanted to offer different types of interpretation for different kinds of individuals. We also wanted to experiment a bit. This is an experiment, a prototype like anything else and we wanted to see if it would work in a science museum environment. Especially in an Exploratorium environment, where there are no boundaries.