Technologies of illusion are technologies used to evoke an emotional response in an audience by producing an effect that seems to violate the laws of physics; for example, conjuring apparatuses and special effects are technologies of illusion. Traditional histories suggest that audience members value technologies of illusion for their mystery: when they understand the mechanism responsible for an effect, they lose interest in that technology. This view is empirically unsupported. Instead, technologies of illusion should be considered not as apparent violations of nature but as representations of violations of nature. Like all representations, their effectiveness hinges not on the deception of the audience by the performer but on collaborati...