Impossible: where have the women disappeared to?
Impossible (Noel Coward Theatre, London) is one of those show about which you wonder, “Why has this not been seen before?” An ensemble magic show featuring multiple performers doing different kinds of tricks, from huge illusions (yes, a car vanishes, a helicopter appears) to card and coin tricks. It was packed, the audience loved it, and […]
The strangest optical illusion of all
This is called – with variations – the Motion After Effect. The reason that it happens is a wonderfully complex interaction between your brain and your eyes. It was first observed by Aristotle, but was not fully described until the 19th century, and not understood until the 20th. Stare at the spinning spiral for about thirty […]