SECOND SIGHT.

The article discusses the history and techniques of two-person mindreading acts, exploring how performers create the illusion of telepathy on stage. Topics include the popularity of these acts since the mid-1800s; the use of secret communication methods such as codes and visual cues, profiles of notable performers and their careers; and the perception of real psychic powers, ethical challenges faced by mind readers and criticisms of the reviewed books that discuss the subject.